cui-cui Diamond Opera Ring K10YG 〈World's Smallest〉 Size 9 Size 9 (Please refer to the photos) Polished and cleaned at the store. There are no noticeable scratches, but it is not recommended for those who are concerned about minor scratches. 【Opera】 Series A diamond ring featuring the world's smallest diamonds. The design is inspired by the stylish form built with beautiful straight lines. You can enjoy a rich expression with the contrast between the brilliance of diamonds and the shine of gold. "Diamond," the most famous gemstone, is called the king of gems. Diamonds, which are also the birthstone for April, are generally colorless and transparent beautiful gems, and are also popular as engagement rings to give when proposing. They are also used industrially because of their hardness. cui-cui offers colorless and transparent diamonds, as well as jewelry popular for its mature colors, such as champagne diamonds and black diamonds. We also have products such as "world's smallest diamonds" cut to the world's smallest size and "nude diamonds" of the laser hole type, which are possible only because of the high quality of the stones.