USA (c1960) A pretty yellow gold and opal cocktail ring by Nathan Cabot of New York. The 1 1/4" x 1" 18k yellow gold freeform ring with featuring a 12.00 ct white opal and enhanced by 7 round white diamonds and 6 round emeralds. The Opal exhibits a lively play of color, green , orange and blue and is in excellent condition (no crazing)The overall composition is very attractive. Cabot, a artist jeweler, worked in NYC during the 60's and 70's , His one of a kind pieces are often attributed to Arthur King as it it almost impossible in some instances to discern the difference.Interesting, Elegant and Unique.Size 5 3/4 Measurements Length: 1 1/4" Specifications Materials/Technique: Opal, 18k , Diamond, Emerald Creator: Nathan Cabot Reference: JU12022724312