These are stud earrings made of 10kt yellow gold with a total weight of 2.314 grams. The primary gemstone is a lab-created emerald that is princess shaped, green in color, and flawless in clarity. It is prong-set and has a carat weight of 0.8. The secondary gemstone is a round diamond that is G-H in color, I2 in clarity, and prong-set with a carat weight of 0.12. There is no third gemstone.Precious Metal Type: 10kt Yellow Gold Approx. Gram Weight: 2.314 Total Gemstone Carat Weight: 1/8 Primary Gem Type: Lab Emerald Primary Gem Shape: Princess Primary Gem Color: Green Primary Gem Clarity: Flawless Primary Gem Setting: Prong-set Primary Gem Carat Weight: 0.8 Gem2 Type: Diamond Gem2 Shape: Round Gem2 Color: G-H Gem2 Clarity: I2 Gem2 Setting: Prong-set Gem 2 Carat Weight: 0.12 Gem 3 Carat Weight: None