CARAT WEIGHT: The weight is 1.76 Ct. indicates the size of the gemstone in a brilliant bargain dealCUT: The delicate-looking round-cut design elevates the look of this gemstoneSIZE: Make your jewellery with this gemstone which comes in 10 mm size GRADE: This A-grade gemstone is a class of perfectionSPECIAL FEATURES: The hardness of the opal is ranked between 5.5 and 6.5 on the Mohs hardness scale
