Details Gabriella Kiss 18k yellow gold & oval Australian opal ring, size 6 1/2. The stone measures approximately 1/4″ x 3/8″ & is set in Gabriella’s signature scalloped bezel setting. - Australian opal - 18k yellow gold - size 6 1/2 Sizing This ring can be resized. Please allow 2 - 6 weeks. Inquire about sizing fee.