Details Lola Brooks 18k yellow gold & cushion-shaped portrait-cut navy tourmaline ring, size 6 1/4. The 1.75ct stone measures approximately 7/16″ x 3/8″ & the 18k yellow gold band tapers from approximately 1/8″ to 1/16″ in width - tourmaline, 1.75ct - 18k yellow gold - size 6 1/4 Sizing This ring can be resized. Please allow 4 - 6 weeks. Inquire about sizing fee.