This is a 10kt yellow gold ring with a total gemstone weight of 1/2 carat. The main gemstone is a round lab amethyst that is purple and flawless, and is pave-set with a weight of 0.5 carats. The second gemstone is a diamond with a weight of 0.04 carats, which is round and prong-set with a color of G-H and a clarity of I2-I3. The third gemstone has no carat weight.Precious Metal Type: 10kt Yellow Gold Approx. Gram Weight: 4.348 Total Gemstone Carat Weight: 1/2 Primary Gem Type: Lab Amethyst Primary Gem Shape: Round Primary Gem Color: Purple Primary Gem Clarity: Flawless Primary Gem Setting: Pave-set Primary Gem Carat Weight: 0.5 Gem2 Type: Diamond Gem2 Shape: Round Gem2 Color: G-H Gem2 Clarity: I2-I3 Gem2 Setting: Prong-set Gem 2 Carat Weight: 0.04 Gem 3 Carat Weight: None