This is a natural 7.25ct natural Lightning Ridge Australian Black Opal and 0.80ct Diamond Ring set in 14kt Yellow Gold, Size 7. The ring in stock is a size 7, but can be sized for free from a size 5.5 to an 8.5, please specify your desired size in Customizations upon checking out, and kindly allow an additional 7-10 days to resize. Video available upon request. FREE DOMESTIC USPS PRIORITY EXPRESS SHIPPING IS INCLUDED WITH THE PURCHASE OF THIS RING, along with a 1-year warranty on workmanship!~~~~~~~~ RING SPECIFICATIONS: Center Stone: Precious Natural Australian Lightning Ridge Black Opal Carat: 7.25cts Shape/Cut: Marquise Cabochon Dimensions: 22 x 9.28 x 5.60mm Pattern/Color: Black Harlequin / Multi Flash Hardness: 6.5 on Mohs, does need some additional care when worn in rings Accent Stones: 100% genuine diamond Carat Weight: 0.80 carats Cuts: Round Full Cut Color/Clarity: G-H / SI1,2 Metal: 14kt White Gold Total Weight: 8.70 grams Setting: Prong Size: 7 is in stock, please specify ring size needed in notes to seller from a size 5.5 to an 8.5. Kindly allow an additional 7-10 days for resizing. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ FOLLOW US ON TWITTER, PINTEREST AND INSTAGRAM @Aleamarico