Art Deco 1.15 CTW Diamond Platinum Greek Key Engagement Ring Onyx "name":"Roberto Coin Diamond 18 Karat

"name":"Roberto Coin Diamond 18 Karat Two-Tone Gold Italian Elephantina Earrings"

Brooch designed as two highly rendered winged basilisks

5 / 8 x 11 / 16 (including bale) inch / Circa 1910 / Total 1

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Centering a transitional cut sapphire in a millegrain bezel

Art Deco 1.15 CTW Diamond Platinum Greek Key Engagement Ring Onyx "name":"Roberto Coin Diamond 18 KaratCentering an old mine cut diamond weighing 1. 15 carats H color with SI2 clarity Set by wide prongs with a scrolled volute gallery Fully engraved shank with foliate and Greek key motifs accented by milgrain Stamped Platinum Circa: 1930s Ring Size: 6 1 2 (sizable with loss of shank engraving) Measures North to South 6. 8 mm and sits 6. 5 mm high Total weight: 3. 3 grams Bright. Decorative. Delight. Stock Number: We 7171