2.79 Total Carat Natural Fire Opal 950 Platinum Ring Specifications - Total Weight 3.549 g - Center Gemstone Natural Fire Opal - Gemstone Carat Weight 2.61 Carats - Gemstone Measurements 10X10X6.80 mm - Additional Gemstones Natural Diamond - Additional Gemstone Weight 0.18 Carats - Certificate Number J260000124192 - Lab Name: HRD Antwerp - Ring Size (US): 7 Shipping Our products will be shipped through UPS or DHL courier service, ensuring smooth and fast delivery. Please note that your country of residence may impose customs and import duties, which are the sole responsibility of the buyer. Duties and taxes are not included in the item price. These charges vary by country, and it is the customer's responsibility to check their local customs duties, taxes, and VAT before purchasing.