Gemstones auctions

Natural Fancy Color Diamond, 0.37 ct, Si1. Gross price: $5,043 USD Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond ...
Natural Diamond 0.32 ct, Clarity Si2, Gross price: approx. 15,000 PLN Net price: $3,750 USD Gross price: $4,623 USD Natural diamond with a fancy color. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond a...
Natural Brilliant-Cut Diamond, as much as 2.32 ct, IGI Certificate Natural diamond. The diamond comes with an IGI (International Gemological Institute) certificate. IGI is the world’s largest independent gemological institution, specializing in the certification of diamonds, gemstones, and jewelry. The diamond can serve as an investment or be set in a ring, which will significantly increase ...
Natural Diamond 0.28 ct, Very High Clarity (VVS1). Gross price: approx. 13,500 PLN Net price: $2,900 USD Gross price: $3,567 USD Natural diamond with a fancy color. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regar...
Natural Diamond 0.28 ct, Clarity Si1, Gross price: approx. 12,500 PLN Net price: $2,700 USD Gross price: $3,321 USD Natural diamond with a fancy color. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond a...
Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmologic...
Natural Diamond 0.29 ct, Clarity Si1, Gross price: approx. 13,000 PLN Net price: $2,800 USD Gross price: $3,444 USD Natural diamond with a fancy color. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond a...
A 0.30 ct natural diamond with Si2 clarity. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary Gener...
Natural Diamond 0.65 ct P3, gross price: approx. 6,500 PLN Diamond Type: 100% Natural Certificate: Diamond Sky, Jan Karaszkiewicz (Secretary of the Polish Gemmological Society) The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gems...
Natural spinel.The spinel comes with a certificate from an appraiser of the Polish Gemmological Society—Diamond Sky + Catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. Spinel specifications: Weight: 0.95 CT Shape: round fancy Color: light purp...
Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmologic...
Natural Diamond 0.25 ct, Very High Clarity (VVS1). Gross price: approx. 15,300 PLN Net price: $3,300 USD Gross price: $4,059 USD Natural diamond with a fancy color (valued higher than colorless diamonds) The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expe...
Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmologic...
A 0.27 ct natural diamond with a clarity grade of P1. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secre...
Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmologic...
Natural Diamond 0.28 ct, Clarity Si1, Gross price: approx. 12,500 PLN Net price: $2,700 USD Gross price: $3,321 USD Natural diamond with a fancy color. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond a...
Natural diamond.The diamond comes with a certificate from an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code.Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society.The diamond can serve as an inves...
NATURAL DIAMOND 0.51 ct P2 gross price: $2,214 USD Diamond Type: 100% Natural. Certificate: Diamond Sky, Jan Karaszkiewicz (Secretary of the Polish Gemmological Society) The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky has been operating on the Polish market for 30 years; plus a catalog photo with a QR code. Jan Karaszkiewicz is a distingui...
Natural diamond.The diamond comes with a certificate from an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code.Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society.The diamond can serve as an inves...
A 0.23 ct natural, colored diamond with a clarity grade of P1. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a highly regarded diamond appraiser, and serves as S...
Natural spinel, 0.81 ct The spinel comes with a certificate from an appraiser of the Polish Gemmological Society—Diamond Sky, a company that has been operating on the Polish market for 30 years + Catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Societ...
Natural Spinel 1.00 ct The spinel comes with a certificate from an appraiser of the Polish Gemmological Society—Diamond Sky, a company that has been operating on the Polish market for 30 years + Catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society...
Natural Fancy Color Diamond 0.32 CT P1 Gross Price: $3,444 USD Natural diamond. The diamond comes with a certificate from an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of ...
Natural Fancy Color Diamond, 0.29 ct, P2; Gross Price: $1,538 USD Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond a...
Natural Diamond 0.26 ct, Clarity Si2, Gross price: approx. 10,700 PLN Net price: $2,300 USD Gross price: $2,829 USD Natural diamond with a fancy color. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond a...
Natural Fancy Color Diamond, 0.31 ct, P1 Gross price: approx. 11,000 PLN Net price: $2,350 USD Gross price: $2,891 USD Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished exp...
Natural Diamond 0.24 ct, Very High Clarity (VVS1). Gross price: approx. 13,000 PLN Net price: $2,800 USD Gross price: $3,444 USD Natural diamond with a fancy color. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regar...
0.24 ct natural Fancy Color diamond, VVS clarity (the highest grade after IF—completely free of any flaws). The VVS (Very, Very Slightly Included) clarity grade means that the diamond has microscopic internal inclusions that are extremely difficult to detect even for a specialist under 10x magnification, and completely invisible to the naked eye. Gross price: $3,272 USD Natural diamond with ...
Diamond Type: 100% Natural. Certificate: Diamond Sky, Jan Karaszkiewicz (Secretary of the Polish Gemmological Society) The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky has been operating on the Polish market for 30 years, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded...
0.11 ct Si2 Natural Diamond The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky has been operating on the Polish market for 30 years, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. A d...
0.22 ct Si1 natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky has been operating on the Polish market for 30 years + a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. A diam...
Natural diamond 0.22 ct P1 Gross price: $1,353 USD Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a leading expert on colored gemstones, a highly regarded diamond appraiser, and serves ...
Natural Diamond 0.29 ct, Clarity Si1, Gross price: approx. 13,000 PLN Net price: 2,800 USD Gross price: $3,444 USD Natural diamond with a fancy color. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond ap...
Natural Diamond 0.30 ct, Clarity P1, Gross price: approx. 10,200 PLN Net price: 2,200 USD Gross price: $2,706 USD Natural diamond with a fancy color. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond app...
Natural Diamond 0.34 ct, Clarity P1, Gross price: approx. 6,400 PLN Natural Diamond 0.34 ct, Clarity P1, Gross price: approx. 6,400 PLN Net price: $1,360 USD Gross price: $1,673 USD Natural diamond with a fancy color. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a dist...
Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmologic...
Natural diamond.The diamond comes with a certificate from an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code.Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society.The diamond can serve as an inves...
Natural diamond. The diamond comes with a certificate from an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an in...
Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmologic...
Natural diamond. The diamond comes with a certificate from an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an in...
Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmologic...
Natural Diamond 0.18 CT P1 GROSS PRICE: $947 USD The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones and a highly regarded diamond appraiser; he serves as Secretary General of the Polish Gemmological Society and is a member of HRD A...
A 0.29 ct natural diamond with a clarity grade of P1. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond can serv...
Natural Diamond 0.26 ct, Clarity P1, Gross price: approx. 10,700 PLN Net price: $2,300 USD Gross price: $2,829 USD Natural diamond with a fancy color. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond ap...
0.25 Fancy Color Natural Diamond, Si1 Net price: $1,860 USD Gross price: $2,288 USD Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a highly regar...
Natural Diamond 0.26 ct, Clarity P1, Gross price: approx. 7,300 PLN Net price: 1,550 USD Gross price: $1,907 Natural diamond with a fancy color. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraise...
Natural Diamond 0.28 ct, Clarity P2, Gross price: approx. 6,300 PLN Net price: $1,350 USD Gross price: $1,661 USD Natural diamond with a fancy color. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond app...
0.21 ct Fancy Color natural diamond, clarity P1 Gross price: $1,329 USD The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. Th...
Natural Diamond 0.36 ct, Clarity P1, Gross price: approx. 16,000 PLN Net price: $3,400 USD Gross price: $4,182 USD Natural diamond with a fancy color. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond ap...
Natural diamond, 0.26 ct, Si1. Gross price: $2,829 USD Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a highly regarded diamond appraiser, and se...
Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmologic...
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investment or be set in a rin...
Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmologic...
Natural diamond.The diamond comes with a certificate from an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code.Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society.The diamond can serve as an inves...
Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmologic...
Natural Diamond 0.29 ct, Clarity P1, Gross price: approx. 8,000 PLN Net price: $1,700 USD Gross price: $2,091 USD Natural diamond with a fancy color. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond app...
Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmologic...
NATURAL Spinel 0.84 ct The spinel comes with a Certificate from an Appraiser of the Polish Gemmological Society—Diamond Sky—plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. Spinel specifications: Weight: 0.84 CT Dimensions: 6.07 x 5....
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky has been in business for 30 years + a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investmen...
Natural diamond. The diamond comes with a certificate from an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an in...
A 0.22 ct natural Fancy Color diamond with a clarity grade of P1. Net price: $1,250 USD Gross price: $1,538 USD Natural fancy-color diamond The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society, Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a highly regarded diamond appraiser, and serves as Sec...
Natural Diamond 0.26 ct Si1 Gross price: approx. 8,900 PLN Net price: $1,900 USD Gross price: $2,337 USD Natural diamond with a fancy color (valued higher than colorless diamonds) The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a hi...
Natural Diamond 0.25 ct, Clarity Si2, Gross price: approx. 6,500 PLN Net price: $1,400 USD Gross price: $1,722 USD Natural diamond with a fancy color. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond ap...
Natural Diamond 0.25 ct, Clarity P1, Gross price: approx. 7,000 PLN Net price: $1,500 USD Gross price: $1,845 USD Natural diamond with a fancy color. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond app...