6 to 8 grams. According to the inquiry of Bulgari flagship store in official website, it is known that the single ring is about 6-8 grams.

1, BVLGARI is an Italian luxury brand, which belongs to LVMH group and was founded by SotirioBulgari in Rome on 1884.

2.202/KLOC-official website shows that Bulgari's products mainly include: jewelry, watches, leather goods, accessories, perfumes, theme hotels, etc.