Lady's Platinum Natural 4.09ct Orange Sapphire and Diamond Ring. Ring Size: 6.5 (Can be Resized to Fit Most Any Finger) Contains: One Natural Round Mixed Cut Orange Sapphire. Weight Approx: 4.09ct, Color Grade: Yellowish Orange. Two Natural Round Brilliant Cut Diamonds. Weight Approx: 1.09cttw, Color: H-I, Clarity: Si-1 / SI-2. A rare and beautiful tangerine colored natural orange sapphire and diamond ring. The sapphire weighs approx 4.09 ct, and is accented with two round brilliant cut diamonds weighing 1.09cttw. All mounted in Platinum, the king of metals, which all fashionable jewelry is fashioned in.