Gemstones auctions
Natural tanzanite 10.74 carats. The tanzanite is accompanied by a Certificate from the Spanish Gemological Institute. Parameters of tanzanite: Weight: 10.74 CT Dimensions: 16.34 x 10.02 x 6.51 mm Type and form of cut : cushion Color : purple-blue
Emerald Approx. 9.41 ct, step-cut, oiled, certificate dated June 2024 enclosed, with slight signs of wear
Lot of six bags of river pearls 20th century in different shapes and sizes. State of preservation: good
Lot of 30 engraved carnelians 20th century in different shapes and sizes. State of preservation: good
Diamond natural diamond As much as 3.57 ct ! Gem Antwerp certificate Natural diamond.The diamond is accompanied by a Gem Antwerp Certificate.Gem Antwerp - an independent gemmological laboratory operating in the heart of the world's diamond capital. The diamond can be used as an investment or be set in a ring making its valuation increase significantly.Parameters of the diamond: Weight: 3.57 CT...
Natural Diamond 0.41 CT Si2 valuation $4797 USD gross Natural diamond 0.41 ct Si2The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code.Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the P...
Lot of nine pearl bags 20th century in different shapes and sizes. State of preservation: good
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investm...
Lot of 19 boxes of yellow and blue quartz 20th century in different shapes and sizes. State of preservation: good
Lot of 50 worked carnelians with inscriptions, Lot of 50 worked carnelians with inscriptions
120 EUR
Lot of 50 worked carnelians with inscriptions 20th century in different shapes and sizes. State of preservation: good
Lot of 5 boxes of florite 20th century in different shapes and sizes. State of preservation: good.
Lot of seven semiprecious stone boxes 20th century in different shapes and sizes. State of preservation: good.
Type of diamond : 100% Natural, uncolored Certificate: Diamond Sky company, Jan Karaszkiewicz(Secretary of the Polish Gemmological Society). Color: fancy( several times more valuable than the color of subdued white) Gross valuation: $1046 $USD Retail prices of similar diamonds in Polish jewelry companies: about 100% of this valuation, however, prices are often even higher The subject of the o...
Lot of 14 engraved carnelians and 5 ambers 20th century in different shapes and sizes. State of preservation: good
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investment or be set in a ring making its valuation...
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investment or be set in a ring making its valuation...
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investment or be set in a ring making its valuation...
Lot of 18 boxes plus 6 sachets of lapis lazuli, Lot of 18 boxes plus 6 sachets of lapis lazuli
150 EUR
Lot of 18 boxes plus 6 sachets of lapis lazuli 20th century worked in different shapes and sizes. State of preservation: good
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investment or be set in a ring making its valuation...
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investm...
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investment or be set in a ring making its valuation...
NATURAL DIAMOND 0.22CT PRICE $ 1734 gross. The subject of the offer is a natural diamond. Attached to the diamond is a CERTIFICATE of appraiser of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary Genera...
SPINEL 0.95 ct NATURAL BEAUTIFUL SILVER STONE PRICE $1169USD. The subject of the offer is a natural spinel. Attached to the spinel is a Certificate of Expert of the Polish Gemmological Society - Diamond Sky company operating for 30 years on the Polish market. + Catalog photo along with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serv...
Natural Diamond.The diamond is accompanied by a Certificate of the Expert and Secretary of the Polish Gemmological Society, Diamond Sky company, Jan Karaszkiewicz + Catalog photo with QR code.Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as the Secretary General of the Polish Gemmological Society.The diamond can serve as an investment or...
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investm...
Natural diamond. The diamond is accompanied by a Certificate of the IGI (International Gemological Institute) is the world's largest independent gemological institution for the certification of diamonds, gemstones and jewelry. The diamond can be used as an investment or be set in a ring making its valuation increase significantly. Parameters of the diamond: Weight: 2.32 CT Dimensions: 8.36 x ...
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investm...
Natural Diamond.The diamond is accompanied by a Certificate of the Expert and Secretary of the Polish Gemmological Society, Diamond Sky company, Jan Karaszkiewicz + Catalog photo with QR code.Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society.The diamond can serve as an investment or be ...
Natural diamond 0.21 ct with P3 clarity. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond...
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investm...
Diamond type : 100% Natural Certificate: Diamond Sky company, Jan Karaszkiewicz(Secretary of the Polish Gemmological Society). Attached to the diamond is the Certificate of Expert of the Polish Gemmological Society, Diamond Sky company, Jan Karaszkiewicz + Catalog photo with QR code. Jan Karaszkiewicz is an eminent expert on colored stones, a respected diamond appraiser, serves as Secretary Ge...
Natural spinel 1.00 ct The spinel is accompanied by a Certificate of Expert of the Polish Gemological Society - Diamond Sky company operating for 30 years on the Polish market. + Catalog photo along with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. Parameters of the spine...
Natural diamond 0.30 ct with Si2 clarity. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamon...
Diamond 0.30 ct P3 gross valuation : $3321 $USD Diamond type : 100% Natural Certificate: Diamond Sky company, Jan Karaszkiewicz(Secretary of the Polish Gemmological Society). The diamond is accompanied by the Certificate of the Expert of the Polish Gemmological Society, Diamond Sky company, Jan Karaszkiewicz + Catalog photo with QR code. Jan Karaszkiewicz is an eminent expert on colored stones...
The subject of the offer is a natural diamond. Attached to the diamond is a Certificate of the Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an eminent expert on colored stones, a respected diamond appraiser, serves as Secretary General of the Polish Gemmological Society and is a mem...
Fancy Color 0.86 ct P1 Natural Diamond Gross Valuation: $12699 USD. Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of ...
Natural Diamond.The diamond is accompanied by a Certificate of the Expert and Secretary of the Polish Gemmological Society, Diamond Sky company, Jan Karaszkiewicz + Catalog photo with QR code.Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as the Secretary General of the Polish Gemmological Society.The diamond can serve as an investment or...
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investm...
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investment or be set in a ring making its valuation...
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investm...
NATURAL spinel 0.84 ctAttached to the spinel is a Certificate of Expert of the Polish Gemmological Society - Diamond Sky company operating for 30 years on the Polish market.+ Catalog photo with QR code.Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society.Parameters of the spinel: Weight: 0...
Natural diamond 0.20 ct Si2 gross valuation: 1402 $USD. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Socie...
Natural Diamond. The diamond is accompanied by a Certificate of the Expert and Secretary of the Polish Gemmological Society, Diamond Sky company, Jan Karaszkiewicz + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as the Secretary General of the Polish Gemmological Society. The diamond can serve as an investment...
Natural Diamond 0.23 CT High Purity VS2 Gross Valuation: $2952 USD Natural Diamond. The diamond comes with a Certificate of Expert and Secretary of the Polish Gemmological Society, Diamond Sky company, Jan Karaszkiewicz + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmolog...
Natural Diamond. The diamond is accompanied by a Certificate of the Expert and Secretary of the Polish Gemmological Society, Diamond Sky company, Jan Karaszkiewicz + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as the Secretary General of the Polish Gemmological Society. The diamond can serve as an investment...
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investm...
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investm...
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investm...
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investm...
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an invest...
The subject of the offer is a natural diamond. Attached to the diamond is a Certificate of the Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an eminent expert on colored stones, a respected diamond appraiser, serves as Secretary General of the Polish Gemmological Society and is a mem...
Spinel Natural 0.78 ct valuation $960USD Spinel natural 0.78 ctThe spinel is accompanied by an Expert Certificate of the Polish Gemological Society - Diamond Sky company operating for 30 years on the Polish market.+ Catalog photo along with QR code.Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmologi...
Nat. diamond 0.29 ct P1 Gross valuation:$1599USD Natural diamond 0.29 ct with P1 clarity. The diamond comes with a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of th...
Natural spinel 0.94 ctThe spinel is accompanied by a Certificate of Expert of the Polish Gemmological Society - Diamond Sky company operating for 30 years on the Polish market.+ Catalog photo along with QR code.Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society.Parameters of the spinel: ...
Natural Diamond Fancy Color 0.25 CT Si1 Gross Valuation: $USD 2743 Natural Diamond. The diamond is accompanied by a Certificate of Expert and Secretary of the Polish Gemmological Society, Diamond Sky company, Jan Karaszkiewicz + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as the Secretary General of the Poli...
Natural Diamond.The diamond is accompanied by a Certificate of the Expert and Secretary of the Polish Gemmological Society, Diamond Sky company, Jan Karaszkiewicz + Catalog photo with QR code.Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society.The diamond can serve as an investment or be ...
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investment or be set in a ring making its valuation...
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investm...
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investm...
Natural spinel 0.81 ctThe spinel is accompanied by a Certificate of Expert of the Polish Gemmological Society - Diamond Sky company operating for 30 years on the Polish market.+ Catalog photo along with QR code.Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society.Parameters of the spinel: ...
Natural Diamond. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investm...
Natural diamond 0.22 CT Si1 gross valuation: 1747 $USD. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Socie...
NATURAL DIAMOND 0.19 CT Si1 GROSS PRICE: 1525 $USD. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an outstanding expert on colored stones, a respected diamond appraiser and serves as Secretary General of the Polish Gemmological Society. ...
Natural diamond 0.24 CT P3 GROSS PRICE: $812 USD. The diamond is accompanied by a Certificate of Expert of the Polish Gemmological Society, Diamond Sky company operating for 30 years on the Polish market + Catalog photo with QR code. Jan Karaszkiewicz is an eminent expert on colored stones, a respected diamond appraiser, serves as Secretary General of the Polish Gemmological Society and is a m...