Details Gabriella Kiss 18k yellow gold & large oval cabochon green tourmaline ring, size 7 1/4. The 12ct stone measures approximately 5/8"x 1/2" & is set in Gabriella's signature scalloped setting. - tourmaline, 12ct - 18k yellow gold - size 7 1/4 Sizing This ring can be resized. Please allow 2 - 6 weeks. Inquire about sizing fee.