Birks 18k White Gold Halo Design Diamond Stud EarringsBirks 18k White Gold Halo Design Diamond Stud Earrings Features: 18k White Gold 1 Round Brilliant Cut Diamond Weighing Approximately 0. 51 ct. of SI1 Clarity, H Colour, Excellent Cut 1 Round Brilliant Cut Diamond Weighing Approximately 0. 54 ct. of SI1 Clarity, H Colour, Excellent Cut 40 Round Brilliant Cut Diamonds Totalling Approximately 0. 20 ct. of VS Clarity, G H Colour, Good Cut Butterfly Push Clutch Backs Signature Hallmark: BIRKS 750 Included