18K SYNTHETIC SPINEL & DIAMOND EARRINGS: 18K yellow gold synthetic green spinel and diamond earrings. (6) round brilliant cut diamonds. WEIGHT: .30 Ct. Approx. Rated VS in clarity and G-H in color. The spinel and diamonds are prong set. Post and hinged clip closures. Weight: 6.4 grams. Provenance: Fred S. and Rosemary Johnston Estate.