Hello, the original poster, the standard 1 carat = 200 mg = 0.2 grams, 3 carats are 0.6 grams. The price of 3 carat GIA diamond rings is between 230,000 and 1100,000. It is also different from the level and market fluctuations. The price will also change. Hope to help you, thank you!
Hello, 3 carats are the weight of diamonds. The standard -cut circular diamond diameter is 9.4mm.
Hello, the original poster, the standard 1 carat = 200 mg = 0.2 grams, 3 carats are 0.6 grams. The price of 3 carat GIA diamond rings is between 230,000 and 1100,000. It is also different from the level and market fluctuations. The price will also change. Hope to help you, thank you!