THIS IS A UNIQUE VINTAGE ART DECO SOLID 10K GOLD BLACK ONYX AND DIAMOND RING IN GREAT CONDITION. TOP OF RING HAS A 16 MM BY 12 MM BLACK ONYX STONE ALONG WITH THREE SMALL 1 MM MINE CUT DIAMONDS SET IN A WHITE GOLD STRIP ACROSS THE ONYX STONE. RING IS A SZIE 6 3/4 TOP OF RING MEASURES 16 MM DOWN THE FINGER IT IS STAMPED INSIDE WITH MAKERS MARK AND 10K GOLD MARK CONDITION IS VERY GOOD/ EXCELLENT PLEASE SEE ALL PHOTOS