This listing is for Conflict Free 6.7x6.2mm Clear Black/Grey Fancy Shield Shape Salt & Pepper Rose Cut Diamond Flat Back Diamond, Shield Loose Diamond for Ring - PDD187 Gemstone: Salt & Pepper Shield Shape Diamond (CONFLICT FREE) Size (mm): 6.7x6.2mm Approx., Height: 3.8mm Weight (Cts) : 1 Cts Color: Sparkling Clear/ Black (Table Cut Back) Item Code: PDD187 YOU CAN CERTIFY THE DIAMOND BY USING THE BELOW LINK: https://www.etsy.com/in-en/listing/710654252/diamond-and-gem-certification (Measurements & weight are close to approximations.) 100% Genuine Great quality for making Necklace , Earrings, Bracelet or any other jewelry. All our diamonds are ethical & sourced from reliable sources which comply with the Kimberley Process Certification. Also providing a Kimberley certificate for such small quantities is not possible. However if you want them to be certified for authentication, you can get them certified for an extra cost. Please purchase it on the link below. https://www.etsy.com/in-en/listing/209201123/on-sale-33-diamond-certification 6.7x6.2mm Clear Black/Grey Fancy Shield Shape Salt & Pepper Rose Cut Diamond Flat Back Diamond, Loose For Ring - Pdd187