Art Deco Platinum .75 CT Old European Cut Diamond Engagement Ring Size 4.75 Brooch The only markings are "PATd

The only markings are "PATd

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Byrne Livingston Modernist Cufflinks

has never been worn

Art Deco Platinum .75 CT Old European Cut Diamond Engagement Ring Size 4.75 Brooch The only markings are "PATdEra: Art Deco Hallmark: 10% Irid Plat. Composition: Platinum Primary Stone: Diamond Stone Carat: Approximately . 75 CT Color: F Clarity: Vs2 Cut: Old European Cut Secondary Stone: Diamond Secondary Stone Carat Weight: . 15 CT Secondary Stone Color: F G Secondary Stone Clarity: Vs2 Si1 Secondary Stone Cut: Single Cut Ring Face: 5. 7mm x 5. 68mm Stone Depth: 3. 56mm Rise Above Finger: 5. 75mm Ring Size: 4. 75 Ring Weight: 3. 9 grams Ring Condition: