0.54 ct AIG Certified Excellent Fancy Greenish Yellow Cushion Cut (4 x 4 mm) 100% Natural (Un-Heated) Diamond Gemstone. Fancy Greenish Yellow Color Orgin From Congo Mined From Earth!100% Natural Genuine Mined from Earth Gemstone!! 4.47 x 3.82 x 3.25 mm. This item is in the category "Jewelry & Watches\Loose Diamonds & Gemstones\Loose Diamonds". The seller is "targetgems" and is located in this country: US. This item can be shipped worldwide.