Shop › Royston Turquoise TC#493 1 / 2 Image 1 of 2 Image 2 of 2 Royston Turquoise TC#493 $25.00 sold out Royston turquoise cabochon. Backed with black epoxy and ready to be set in jewelry. Weight 13 carats Sold Out Added! Royston turquoise cabochon. Backed with black epoxy and ready to be set in jewelry. Weight 13 carats