Details Gabriella Kiss 18k yellow gold & large oval Australian opal ring, size 7 1/4. The stone measures approximately 3/4"x 1/2" & is set in Gabriella's signature scalloped setting. - Australian opal, 6.54ct - 18k yellow gold - size 7 1/4 Sizing This ring can be resized. Please allow 2 - 6 weeks. Inquire about sizing fee.