This diamond ring is set in 18k diamond, verified by BIS hallmark. The ring is adorned with real certified diamonds. BIS hallmark is NOT a separate certificate, it is an inscription made on the product. This 18k diamond ring is made to order jewellery and it usually requires 11-12 workings days to get ready to ship. The weight mentioned are estimated weight and the final weight may vary and a differential amount would be applicable accordingly. The images displayed are zoom-in images (10x-zoom), the product will be of standard size. This diamond ring is suitable for special occasions or gifting purposes.