1980's Cartier 3.30 CTW No Heat Sapphire Diamond Platinum 18 Karat Yellow Gold Vintage Three Stone Ring Gubelin

• Centering a cushion cut sapphire weighing 2.80 carats - transparent medium blue
• Natural Madagascar in origin and displaying no indications of heat treatment
• Prong set in yellow gold and flanked by tapered baguette cut diamonds
• Weighing approximately 0.50 carat total - G color with VS2 clarity
• Prong set in matching platinum baskets
• Completed by high polish finish
• Stamped for 18 karat gold and platinum
• Numbered and fully signed for Cartier
• Circa: 1980s
• Ring Size: 6 3/4 and sizable
• Measures north to south 9.0 mm and sits 6.0 mm high
• Total Weight: 6.1 grams
• Gubelin Gem Lab Certificate: 25042141
• Stock Number: We-14793

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