Vintage Onyx Diamond Ring: 10K Yellow Gold Art Moderne Size 6

Vintage condition: Very Good (some minor wear; some very minor scratches on the Onyx). Lovely vintage (mid century art moderne) style statement ring! Featuring a black 16x12mm Onyx oval cabochon, and a 0.005 center Diamond accent; set in 10K solid yellow gold. Marked 10K, and acid tested. This ring is a size 6 This ring weighs 4.42g This ring measures 19mm from the front; and 2mm from the back of the band.