Brand: Bulgari Name: Bvlgari Diamond Necklace Material: 750White Gold Item Rank: A Category: Ladies Size: 38-45 Cm (17.72 in) Actual Size: Pendant Height approx. X Width approx.: 9.0 mm (0.35 in)x3.8 mm (0.15 in) Chain maximum width approx.: 1.8 mm (0.07 in) Stone Used: Diamond Weight: Approximately 8.5g Accessories: No accessories Detailed Polished. The diamond is engraved and the details of the appraisal can be checked on the website. But there is no certificate of authenticity. The weight listed on the site is approximately 0.23ct. No carat markings.