12.37 ct. No-Heat Madagascar Sapphire & Diamond Ring | Spectra Fine Jewelry

Carat Weight: Sapphire 12.37 ct. & 7.75 cts. diamondsColor/Clarity: Madagascar No HeatCertifications: GubelinSize: 6Creator: Spectra Fine JewelryMetal: 18K White GoldWeight: 14.27 gramsPeriod: 2025Condition: New Commanding and refined, this Spectra Fine Jewelry cocktail ring centers a Gubelin certified 12.37 ct oval sapphire from Madagascar with no indications of heating, showing a deep, luminous blue. A halo of brilliant diamonds totaling 7.75 cts. creates a glamorous, petal-like silhouette that amplifies the color and sparkle. Expertly crafted in 18k white gold with a substantial 14.27-gram weight. Ref. :R1733