"Opal ring, vintage Australian opal engagement ring in 14k yellow gold. Beautiful center opal stone with wonderful blue and green color hues. Center stone measures 7mm x 5mm (about .55 carat). Ten accompanying stones measure ~2.8mm each and are superbly matched with the main opal, estimated .08 carat each. Total opal carat weight for the ring is estimated 1.19 carats. Excellent condition! Ring weighs 3.4 grams. Size 6 and can be sized +- 3.5 sizes by adding sizing to your order for 45- here: htt