| Edwardian 2.05 Ct. Old Mine Cut Diamond Solitaire Engagement Ring | plattboutiquejewelry.com | 12960 USD | 14,400 USD | −10% |
| Victorian 0.85 Ct. & 0.80 Ct. Old European Cut Diamond Drop Earrings | plattboutiquejewelry.com | 5310 USD | 5,900 USD | −10% |
| 8.45 Ct. Emerald Cut Diamond Solitaire Engagement Ring from Bespoke by Platt | plattboutiquejewelry.com | 95000 USD | — | — |
| 6.54 Ct. Natural Brownish Yellow Diamond Double Bezel Pendant Necklace | plattboutiquejewelry.com | 63000 USD | — | — |
| 5.09 Ct. Marquise Cut Diamond Solitaire Engagement Ring from Bespoke by Platt | plattboutiquejewelry.com | 57000 USD | — | — |
| Art Deco 4.50 Ct. Old European Cut Diamond Engagement Ring | plattboutiquejewelry.com | 53000 USD | — | — |
| 21.03 Ctw. Old Mine Cut & Old European Cut Diamond Rivière Necklace | plattboutiquejewelry.com | 53000 USD | — | — |
| Art Deco 19.40 Ctw. Old European Cut Diamond Geometric Bracelet | plattboutiquejewelry.com | 45000 USD | — | — |
| 3.23 Ct. Triangular Step Cut Diamond Pendant Necklace from Bespoke by Platt | plattboutiquejewelry.com | 41000 USD | — | — |
| French Import Edwardian 4.14 Ct. Old Mine Cut Diamond Cluster Engagement Ring | plattboutiquejewelry.com | 40000 USD | — | — |
| Art Deco 13.30 Ctw. Old Cut Diamond Line Bracelet | plattboutiquejewelry.com | 39000 USD | — | — |
| 18.40 Ctw. Old European Cut Diamond Rivière Necklace from Bespoke by Platt | plattboutiquejewelry.com | 39000 USD | — | — |
| Edwardian 3.99 Ct. Old European Cut Diamond Solitaire Engagement Ring | plattboutiquejewelry.com | 36000 USD | — | — |
| 3.53 Ct Marquise Cut Orangish Brown Diamond Solitaire Ring from Bespoke by Platt | plattboutiquejewelry.com | 28000 USD | — | — |
| Vintage 14.17 Ctw. Baguette Cut Diamond Graduated Line Collar Necklace | plattboutiquejewelry.com | 23500 USD | — | — |
| Victorian Diamond & Woven Gold Snake Wrap Bracelet | plattboutiquejewelry.com | 23000 USD | — | — |
| Georgian 5.50 Ctw. Rose Cut Diamond ‘Chandelier’ Earrings | plattboutiquejewelry.com | 21000 USD | — | — |
| Art Deco 3.13 Ct. Emerald Cut Diamond Engagement Ring | plattboutiquejewelry.com | 19000 USD | — | — |
| Art Deco Pearl & Diamond Geometric Bracelet | plattboutiquejewelry.com | 19000 USD | — | — |
| Art Deco Geometric 7.06 Ctw. Mixed Cut Diamond Bracelet | plattboutiquejewelry.com | 18800 USD | — | — |
| Vintage 13.50 Ctw. Round Brilliant Cut Diamond Line Necklace | plattboutiquejewelry.com | 18800 USD | — | — |
| Victorian Collet-Set 2.21 Ctw. Old European Cut Diamond Drop Earrings | plattboutiquejewelry.com | 18600 USD | 15,600 USD | — |
| 2.62 Ct. Old Mine Cut Diamond & Onyx Engagement Ring from Bespoke by Platt | plattboutiquejewelry.com | 18400 USD | — | — |
| 10.00 Ctw. Pyramidal-Shaped Diamond Line Bracelet from Bespoke by Platt | plattboutiquejewelry.com | 18000 USD | — | — |
| Vintage 7.50 Ctw. Brilliant Cut Diamond Graduated Curved Teardrop-Link Collar Necklace | plattboutiquejewelry.com | 17500 USD | — | — |
| Victorian 1.17 Ct & 1.05 Ct. Old European Cut Diamond Drop Earrings | plattboutiquejewelry.com | 16700 USD | — | — |
| Victorian 10.62 Ctw. Rose Cut Diamond Necklace | plattboutiquejewelry.com | 16500 USD | — | — |
| Vintage 2.38 Ct. Pear-Shaped Diamond Swirling Freeform Sculptural Ring | plattboutiquejewelry.com | 16300 USD | — | — |
| Victorian 4.39 Ct. Oval Sapphire & Diamond Cluster Engagement Ring | plattboutiquejewelry.com | 15000 USD | — | — |
| 1.53 Ct. Step Cut Diamond ‘Robyn Ring’ from Bespoke by Platt | plattboutiquejewelry.com | 15000 USD | — | — |
| 2.56 Ct. Old Mine Cut Diamond & Enamel Engagement Ring from Bespoke by Platt | plattboutiquejewelry.com | 14850 USD | — | — |
| Victorian 2.27 Ct. Old European Cut Diamond Solitaire Engagement Ring | plattboutiquejewelry.com | 14600 USD | — | — |
| Edwardian 2.56 Ct. Old European Cut Diamond Engagement Ring | plattboutiquejewelry.com | 14400 USD | — | — |
| Vintage Woven Diamond Collar Necklace by Orlandini | plattboutiquejewelry.com | 14300 USD | — | — |
| Art Deco 2.08 Ct. Old European Cut Diamond Engagement Ring | plattboutiquejewelry.com | 13800 USD | — | — |
| Art Deco 4.70 Ctw. Diamond Anchor-Link Bracelet Watch By C.H. Meylan | plattboutiquejewelry.com | 13600 USD | — | — |
| Edwardian 2.15 Ct. Old Mine Cut Diamond Solitaire Engagement Ring | plattboutiquejewelry.com | 13300 USD | — | — |
| Late Victorian 1.72 Ct. Old Mine Cut Diamond 3-Stone Engagement Ring | plattboutiquejewelry.com | 13300 USD | — | — |
| Art Deco 1.38 Ct. Old European Cut Diamond 3-Stone Ring | plattboutiquejewelry.com | 13300 USD | — | — |
| Geometric Diamond & Orange Sapphire Interlocking Link Drop Earrings | plattboutiquejewelry.com | 13000 USD | — | — |