Beautiful Art Deco Platinum 3.72 Carat Sapphire & Diamonds Halo Ring. The ring is inscribed 3.72 on the inside of the ring shank to identify the size of the sapphire. The sapphire is exquisitely set with 3 diamonds on each shoulder of the ring and 22 old cut diamonds in the halo. The old cut diamonds are I color VS-2 clarity. The inside of the ring shank is also inscribed 950 for the platinum purity of the ring. Ring size 7-3/8, the ring measures from top to bottom across the face of the ring 12 mm, from side to side across the face of the ring it measures 10 mm, weight 4.1 grams. The ring is in excellent condition and has a beautiful handmade reticulated gallery. This is one of the most beautiful and clear sapphires you might ever hope to find.