Sign up for Poshmark using my code TRAVELINGFROG to get $10 off your first purchase! Gorgeous Vintage Heavy Russian Russia Soviet USSR solid 14K 583 Rose Pink Gold Prong Set Created Red Ruby Solitaire Marquise Cocktail Dinner Statement Ring about size 8.5-8.75 (marked "583" with star, hammer and sickle and acid tested). Top of the ring is about 1 3/16" in length by about 9/16" in its widest. Created Red Ruby is about 23mm by 7mm. This unique ring weighs about 6.3 grams and is in great vintage used pre-owned condition.