Lady's 18K White Gold Ruby & Diamond Ring. Ring Size: 7 1/4 (Can be Resized to Fit Most Any Finger.) Contains: One Natural Oval Cut Ruby. Weight Approx: 2.50ct, Color: Red, Tone: 75%, Origin: Thailand. Twenty-Nine Natural Round Brilliant Cut Diamonds. Weight Approx: .35cttw, Color: G-H, Clarity: VS-SI. This is a fine and beautiful ruby and diamond cocktail ring. If you are new to precious gemstones, you might be interested in knowing that the ruby today is one of the most coveted stones. The ideal size is 2+ carats and the ideal shape is oval. This ring has everything going for it, including an 18K white gold handmade mounting set with 29 round brilliant cut diamonds. Rubies are very hearty stones and as such this is a lifetime piece of jewelry. The appraisal is $8,800, and at our low price, you just can not lose.