Details Lola Brooks 18k yellow gold & oval tanzanite ring, size 6 3/4. The 12.34 carat tanzanite is set in Lola’s signature fine bezel & measures approximately 5/8″ x 1/2″. The width of the band tapers from approximately 1/8″ to 1/16″. - tanzanite, 12.34 - 18k yellow gold - size 6 3/4 Sizing This ring can be resized. Please allow 2 - 6 weeks. Inquire about sizing fee.