2.21 Total Carat Natural Opal 14K Gold Ring Specifications - Total Weight 2.43 g - Center Gemstone Natural Opal - Gemstone Carat Weight 1.84 Carats - Gemstone Measurements 10X8X3.80 mm - Additional Gemstones Natural Tanzanite, Natural Diamond - Additional Gemstone Weight 0.37 Carats - Certificate Number J260000156539 - Lab Name: HRD Antwerp - Ring Size (US): 7 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.