Painting 2 758 Old Masters 722 Modern Art 1 157 New Art 478 Icons 401 Prints and Drawings 1 188 Sculptures 367 Asian art 77 Collectables 44 533 Coins 28 457 Banknotes 10 216 Bonds and Shares 570 Medals 2 539 Plaquettes 64 Badges 2 622 Seals 32 Accessories 33 Home & Décor 2 309 Silverware 419 Ceramics and Glass 780 Lamps and Light 51 Candlesticks 38 Textiles 83 Antiques 534 Applied Art 157 Furniture 247 Books and Manuscripts 4 672 Magazines 407 Documents 260 Maps 114 Photography 1 377 Stamps 31 Envelopes 2 Postcards 2 928 Donation certificates 5 Lottery tickets 2 Posters 154 Music 218 Militaria 827 Jewellery 1 194 Rings 404 Signet rings 4 Bracelets 154 Neckles 111 Pendants 157 Earrings 139 Brooches 117 Medalions 14 Cufflinks 32 Gemstones 44 Other 18 Fashion 2 Memorabilia 27 Toys 6 Clocks and Watches 103 Electric and Metalware 49 Alcohols 217 Other 664

Gemstones auctions

0.7 ct diamond with GIA certificate - E/VS2

711 EUR

A beautiful loose brilliant-cut diamond. GIA certificate included. Weight 0.7 ct, color E, clarity VS2.

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Natural Colored Diamond, 0.70 ct, Si1; Gross Price: 69,000 PLN

1 602 EUR

NATURAL COLORED DIAMOND 0.70 CT | CLARITY: Si1 | CUT: CUSHION Official Appraiser’s Valuation: 18,327 USD (approx. 69,000 PLN gross) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a distinguished expert on colored gems...

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Natural Colored Diamond, 0.44 ct, Si1; Gross Price: approx. 29,000 PLN

673 EUR

NATURAL COLORED DIAMOND 0.44 CT | CLARITY: Si1 | CUT: OVAL Official appraiser's valuation: 7,749 USD - 28,827 PLN gross (as of September 3, 2026) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a distinguished expert on ...

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Natural Colored Diamond, 0.30 ct, High Clarity (VS1), Gross Price: approx. 20,000 PLN

464 EUR

NATURAL COLORED DIAMOND 0.30 CT | CLARITY: Vs1 | CUT: RADIANT Official Appraiser’s Valuation: 5,289 USD – 19,675 PLN gross (as of September 3, 2026) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a distinguished exp...

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Natural Diamond 0.27 ct, High Clarity (VS1), Gross Price: approx. 14,000 PLN

319 EUR

NATURAL COLORED DIAMOND 0.27 CT | CLARITY: Vs1 | CUT: Radiant Official Appraiser’s Valuation: 3,690 USD – 13,726 PLN gross (as of September 3, 2026) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz—a distinguished exper...

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NATURAL COLORED DIAMOND 0.22 CT VERY HIGH CLARITY: VVS1 | CUT: TEARDROP Official Appraiser’s Valuation: $2,829 (approx. 10,500 PLN gross)

255 EUR

NATURAL COLORED DIAMOND 0.22 CT | CLARITY: VVS1 | CUT: TEARDROP Official Appraiser’s Valuation: 2,829 USD – 10,524 PLN gross (as of September 3, 2026) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a distinguished e...

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NATURAL COLORED DIAMOND 0.23 CT VERY HIGH CLARITY: VVS1 | CUT: RADIANT Official Appraiser’s Valuation: $4,244 (approx. 16,500 PLN gross)

383 EUR

NATURAL COLORED DIAMOND 0.23 CT | CLARITY: VVS1 | CUT: RADIANT Official Appraiser’s Valuation: 4,244 USD – 15,788 PLN gross (as of September 3, 2026) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz—a distinguished expe...

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NATURAL COLORED DIAMOND 0.73 CT | CLARITY: SI1 | CUT: CUSHION Official Appraiser's Valuation: 19,176 USD (approx. 71,500 PLN gross)

1 625 EUR

NATURAL COLORED DIAMOND 0.73 CT | CLARITY: SI1 | CUT: CUSHION Official Appraiser’s Valuation: $19,176 – 71,335 PLN gross (as of September 3, 2026) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond is accompanied by a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a distinguishe...

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NATURAL COLORED DIAMOND 0.28 CT VERY HIGH CLARITY: VVS1 | CUT: RADIANT Official Appraiser’s Valuation: $3,198 (approx. 12,000 PLN gross)

279 EUR

NATURAL COLORED DIAMOND 0.28 CT | CLARITY: VVS1 | CUT: RADIANT Official Appraiser’s Valuation: 3,198 USD - 11,897 PLN gross (as of 9/3/26) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a distinguished expert on color...

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0.3 ct diamond with GIA certificate - F/VVS1

284 EUR

A beautiful loose diamond with an interesting cut. GIA certificate included. Weight: 0.3 ct, color: F, clarity: VVS1.

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1 natural emerald

600 EUR

Oval shape, composite cut, approx. 4.05 ct. Origin: Brazil.Dimensioni: 11.31 x 9.09 x 5.93 mm. Item condition grading: **** good.

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Lot of 3 natural emerald

850 EUR

Comprising oval-shaped, composite cut emeralds, approx. 7.20 ct. Origin: Brazil.Dimensions: 10.45 x 8.5 x 5 mm; 8.9 x 6.82 x 4.02 mm; 9.7 x 7.00 x 3.75 mm. Item condition grading: **** good.

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Lot of 3 natural emeralds

700 EUR

2 pear shaped composite-cut emeralds and 1 oval shaped composite-cut emerald, totalling approx. 4.80 ct. Country of orogin: Brasil.Dimensions: 9.53 x 6.70 x 4.14 mm; 9.90 x 7.41 x 4.75 mm; 9.10 x 6.76 x 4.16 mm. Item condition grading: **** good.The lot is in a good state of preservation with normal signs of use over time.

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1 natural emerald

550 EUR

Comprising 1 octagonal-cut emerald, weight approx. 5.04 ct. Origin: Brazil.Dimensions: 10.43 x 9.25 x 5.51 mm. Item condition grading: **** good.The lot is in a good state of preservation with normal signs of use over time.

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2 natural aquamarines

120 EUR

2 triangular curved sides shaped, composite cut. Total weight approx. 7.90 ct. Country of origin: Brazil.Dimensions: 10.90 x 11.72 x 6.78 mm; 14.22 x 8.99 x 5.58 mm. Item condition grading: **** good.The lot is in a good state of preservation with normal signs of use over time.

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Pink and cerasuolo coral loose elements

120 EUR

(corallium elatius and corallium secundum). Total weight approx.: 40 g. Item condition grading: **** good.

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Natural Colored Diamond, 0.30 ct, Si1; Gross Price: approx. 17,300 PLN

402 EUR

NATURAL COLORED DIAMOND 0.30 CT | CLARITY: Si1 | CUT: OVAL Official Appraiser’s Valuation: 4,451 USD 16,558 PLN gross (as of 9/3/26) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a distinguished expert on colored gem...

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Natural aquamarine

230 EUR

1 rectangular shaped aquamarine, composite cut. Weight approx. 15.40 ct. Country of origin: Brazil.Dimensions: 16.14 x 11.94 x 7.70 mm. Item condition grading: **** good.The lot is in a good state of preservation with normal signs of use over time.

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9 natural emeralds Brazil

1 200 EUR

3 oval shaped composite cut, 1 round shaped composite cut and 5 pear shaped composite cut emeralds, total weight approx. 9.70 ct. Origin: Brazil.Dimensions: 19.50 x 7.13 x 4.62 mm; 8.51 x 6.18 x 3.33 mm; 7.48 x 6.03 x 4.13 mm; 6.09 - 6.15 x 3.71 mm; 8.50 x 5.68 x 3.00 mm; 8.92 x 5.63 x 3.19 mm; 7.78 x 5.05 x 3.10 mm; 8.62 x 4.60 x 3.25 mm; 8.88 x 4.71 x 2.85 mm. Item condition grading: **** good.

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Natural Colored Diamond, 0.24 ct, High Clarity (VS1), Gross Price: approx. 12,500 PLN

290 EUR

NATURAL COLORED DIAMOND 0.24 CT | CLARITY: Vs1 | CUT: Teardrop Official Appraiser’s Valuation: 3,321 USD – 12,354 PLN gross (as of September 3, 2026) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a distinguished ex...

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Natural Colored Diamond, 0.31 ct, Si1; Gross Price: approx. 17,500 PLN

406 EUR

NATURAL COLORED DIAMOND 0.31 CT | CLARITY: Si1 | CUT: CUSHION Official Appraiser’s Valuation: 4,674 USD 17,387.50 PLN gross (as of September 3, 2026) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a distinguished expe...

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Lot of 6 natural emerald

1 000 EUR

Comprising 4 oval shaped, composite cut and 2 pear shaped, composite emeralds, totalling approximately 12.00 ct. Origin: Brazil.Dimensions: 11.95 x 8.90 x 4.83 mm; 10.62 x 8.13 x 4.45 mm; 9.32 x 7.10 x 3.60 mm; 8.83 x 6.98 x 3.80; 9.85 x 6.90 x 3.93 mm; 9.70 x 6.38 x 4.32 mm. Item condition grading: **** good.The lot is in a good state of preservation with normal signs of use over time.

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1.4 ct laboratory-grown diamond with an IGI certificate - D/VVS1

355 EUR

A beautiful loose diamond in an oval brilliant cut. IGI certificate included. Weight: 1.4 ct, color: D, clarity: VVS1.

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Natural Colored Diamond, 0.20 ct, Si1; Gross Price: approx. 8,000 PLN

186 EUR

NATURAL COLORED DIAMOND 0.20 CT | CLARITY: Si1 | CUT: TEARDROP Official Appraiser’s Valuation: 2,091 USD (approx. 7,779 PLN gross) (as of 9/3/26) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a distinguished expert o...

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Natural Colored Diamond, 0.25 ct, High Clarity (VS1), Gross Price: approx. 10,500 PLN

232 EUR

NATURAL COLORED DIAMOND 0.25 CT | CLARITY: Vs1 | CUT: Radiant Official Appraiser’s Valuation: 2,583 USD – 10,613 PLN (as of September 3, 2026) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a distinguished expert on...

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Natural Colored Diamond, 0.55 ct, P1; Gross Price: approx. 12,000 PLN

279 EUR

NATURAL COLORED DIAMOND 0.55 CT | CLARITY: P1 | CUT: MODIFIED SQUARE CUSHION Official Appraiser’s Valuation: 3,198 USD - 11,897 PLN (as of 9/3/26) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a distinguished expert ...

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Natural Fancy Color Diamond, 0.73 ct, P1; Gross Price: approx. 13,000 PLN

297 EUR

NATURAL COLORED DIAMOND 0.73 CT | CLARITY: P1 | CUT: CUSHIONOfficial Appraiser’s Valuation: 3,444 USD - 12,812 PLN (as of September 3, 2026)DOCUMENTATION AND EXPERT APPRAISAL:Certificate: The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code.Expert: Jan Karaszkiewicz – a distinguished expert on colore...

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Lot of 3 natural aquamarines

380 EUR

3 pear shaped composite-cut aquamarines. Total weight approx. 25.6 ct. Country of origin: Brazil.Dimensions: 24.80 x 12.00 x 8.27 mm; 19.7 x 9.65 x 6.00 mm; 16.71 x 8.19 x 5.58 mm. Item condition grading: **** good.The lot is in a good state of preservation with normal signs of use over time.

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Natural Colored Diamond, 0.29 ct, Si2; Gross Price: approx. 8,500 PLN

197 EUR

NATURAL COLORED DIAMOND 0.29 CT | CLARITY: Si2 | CUT: Asscher Official Appraiser’s Valuation: 2,214 USD 8,236 PLN gross (as of September 3, 2026) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz—a distinguished expert on ...

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Natural Colored Diamond, 0.22 ct, Si1; Gross Price: approx. 9,000 PLN

209 EUR

NATURAL COLORED DIAMOND 0.22 CT | CLARITY: Si1 | CUT: Radiant DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a renowned expert on colored gemstones, a highly regarded diamond appraiser, and Secretary General of the Poli...

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Lotto di 6 smeraldi naturali

1 900 EUR

4 oval shaped composite cut and 2 pear shaped composite cut emeralds, total weight approx. 10.05 ct. Origin: Brasil. Dimensions: 10.85 x 8.7 x 5.15 mm; 9.40 x 6.73 x 3.80 mm; 7.95 x 6.35 x 3.60 mm; 8.10 x 6.13 x 3.45 mm; 11.95 x 8.45 x 4.41 mm; 7.81 x 6.53 x 2.87 mm. Item condition grading: **** good.The lot is in a good state of preservation with normal signs of use over time.

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Natural Colored Diamond, 0.25 ct, Si1; Gross Price: approx. 11,500 PLN

267 EUR

NATURAL COLORED DIAMOND 0.25 CT | CLARITY: Si1 | CUT: TEARDROP Official Appraiser’s Valuation: $2,952, 10,981 PLN (as of September 3, 2026) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz—a distinguished expert on colore...

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Natural Colored Diamond, 0.29 ct, High Clarity (VS1), Gross Price: 11,500 PLN

267 EUR

NATURAL COLORED DIAMOND 0.29 CT | CLARITY: Vs1 | CUT: Radiant Official Appraiser's Valuation: 2,952 USD - 10,951 PLN (as of 9/3/26) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a distinguished expert on colored gemsto...

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Natural Colored Diamond, 0.33 ct, Si2; Gross Price: approx. 13,500 PLN

313 EUR

NATURAL COLORED DIAMOND 0.33 CT | CLARITY: SI2 | CUT: TEARDROPOfficial Appraiser’s Valuation: 3,555 USD - 13,225 PLN (as of 9/3/26)DOCUMENTATION AND EXPERT APPRAISAL:Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code.Expert: Jan Karaszkiewicz—a distinguished expert on colored gemstones...

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NATURAL COLORED DIAMOND 0.70 CT HIGH CLARITY: VS1 | CUT: CUSHION Official Appraiser’s Valuation: $18,204 (approx. 68,000 PLN gross)

1 509 EUR

NATURAL COLORED DIAMOND 0.70 CT | CLARITY: VS1 | CUT: CUSHION Official Appraiser’s Valuation: 18,204 USD – 67,719 PLN gross (as of 9/3/26) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a distinguished expert on col...

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NATURAL COLORED DIAMOND 0.69 CT | CLARITY: SI1 | CUT: CUSHION Official Appraiser's Valuation: 14,084 USD (approx. 52,500 PLN gross)

1 161 EUR

NATURAL COLORED DIAMOND 0.69 CT | CLARITY: SI1 | CUT: CUSHION Official Appraiser’s Valuation: 14,084 USD – 52,393 PLN gross (as of September 3, 2026) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a distinguished ex...

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NATURAL COLORED DIAMOND 0.32 CT | CLARITY: P1 | CUT: TEARDROP Official appraisal by an appraiser: $2,768 (approx. 10,300 PLN gross)

232 EUR

NATURAL COLORED DIAMOND 0.32 CT | CLARITY: P1 | CUT: TEARDROP Official Appraiser’s Valuation: 2,768 USD 10,297 PLN (as of September 3, 2026) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz—a distinguished expert on color...

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NATURAL COLORED DIAMOND 0.31 CT | CLARITY: SI2 | CUT: OVAL Official Appraiser's Valuation: $2,768 (approx. 10,300 PLN gross)

232 EUR

NATURAL COLORED DIAMOND 0.31 CT | CLARITY: SI2 | CUT: OVAL Official Appraiser’s Valuation: $2,768 – 10,297 PLN gross (as of September 3, 2026) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a distinguished expert on...

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NATURAL COLORED DIAMOND 0.23 CT | CLARITY: SI1 | CUT: RADIANT Official Appraiser's Valuation: $2,768 (approx. 10,800 PLN gross)

251 EUR

NATURAL COLORED DIAMOND 0.23 CT | CLARITY: SI1 | CUT: RADIANT Official Appraiser’s Valuation: $2,768 (approx. 10,800 PLN gross) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a Certificate from the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz—a distinguished expert on colored gemstones, a highly regard...

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NATURAL COLORED DIAMOND 0.28 CT | CLARITY: SI1 | CUT: RADIANT Official Appraiser's Valuation: $2,510 (approx. 9,400 PLN gross)

221 EUR

NATURAL COLORED DIAMOND 0.28 CT | CLEARANCE: SI1 | CUT: RADIANT Official Appraiser’s Valuation: 2,510 USD – 9,338 PLN gross (as of 9/3/26) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a distinguished expert on col...

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NATURAL COLORED DIAMOND 0.22 CT, HIGH CLARITY VS1 | CUT: TEARDROP Official Appraiser's Valuation: 2,952 USD (approx. 11,000 PLN gross)

255 EUR

NATURAL COLORED DIAMOND 0.22 CT | CLARITY: VS1 | CUT: TEARDROP Official Appraiser’s Valuation: 2,952 USD - 10,982 PLN gross (as of 9/3/26) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz—a distinguished expert on colored...

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NATURAL COLORED DIAMOND 0.23 CT | CLARITY: SI1 | CUT: CUSHION Official Appraiser's Valuation: $2,768 (approx. 10,300 PLN gross)

232 EUR

NATURAL COLORED DIAMOND 0.23 CT | CLARITY: SI1 | CUT: CUSHIONOfficial Appraiser’s Valuation: 2,768 USD - 10,297 PLNDOCUMENTATION AND EXPERT APPRAISAL:Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code.Expert: Jan Karaszkiewicz—a distinguished expert on colored gemstones, a highly regar...

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NATURAL COLORED DIAMOND 0.51 CT | CLARITY: SI2 | CUT: CUSHION Official Appraiser’s Valuation: 8,856 USD (approx. 33,000 PLN gross)

696 EUR

NATURAL COLORED DIAMOND 0.51 CT | CLARITY: SI2 | CUT: CUSHION Official Appraiser’s Valuation: 8,856 USD - 32,945 PLN DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a distinguished expert on colored gemstones, a highly...

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NATURAL COLORED DIAMOND 0.24 CT | CLARITY: P1 | CUT: TEARDROP Official Appraiser's Valuation: 1,353 USD (approx. 5,100 PLN gross)

118 EUR

NATURAL COLORED DIAMOND 0.24 CT | CLARITY: P1 | CUT: TEARDROP Official Appraiser’s Valuation: 1,353 USD – 5,034 PLN (as of 9/3/26) DOCUMENTATION AND EXPERT APPRAISAL: Certificate: The diamond comes with a certificate from an appraiser of the Polish Gemmological Society (Diamond Sky) featuring a catalog photo and a QR code. Expert: Jan Karaszkiewicz – a distinguished expert on colored gem...

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