Tiffany & Co. 1980's Diamond Onyx 18 Karat Yellow Gold Platinum Vintage Geometric Ear-Clip Earrings

Tiffany & Co. 1980's Diamond Onyx 18 Karat Yellow Gold Platinum Vintage Geometric Ear-Clip EarringsDesigned as cushion shaped forms displaying geometric motif with platinum circles centers and triangular corners Pav set with round brilliant cut diamonds weighing approximately 3. 12 carats total G color with VS2 clarity Accented by alternating carved onyx corners measuring 13. 5 x 10. 0 mm Opaque glossy black in color Completed by hinged omega backs Stamped for 18 karat gold and tested as platinum Fully signed for Tiffany & Co. Circa: 1980s

15 carats total - transparent purplish red

Bead and prong set throughout with round brilliant and transitional cut diamonds

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Flat band featuring black enamel in a Greek key motif all the way around

eye-clean and white / Screwback findings / Each with maker's mark for Mikimoto and stamped

Translucent with green to yellowish-green mottling and no indications of impregnation

Accented by a surround of clustered pavé set seed pearls

2 mm round cut rubies

Backs are stamped for 14 karat gold

Designed as a domed white gold heart form pierced with fanning foliate motifs

Stock Number: We-7920

Body is an elongated oval jade cabochon measuring approximately 16