Features: Diamond Wxplanation: Each silicone diamond is rigorous tested by GRA（Global Gemological Research Association) in New York and comes with a unparalleled reports number on the diamond certificate which can search on the website. Information: Our round brilliant diamond reaches GH (colorless) and the clarity scale reaches the colorless standard of VVS with excellent polish and symmetry. You Could Choose As Per The Diameter Of The Round Brilliant Cut Diamond: 0.1ct=3mm, 0.2ct=3.5mm, 0.3ct=4mm, 0.4ct= 4.5mm, 0.5ct=5mm, 0.6ct=5.5mm, 0.8ct=6mm, 1ct=6.5mm, 1.5ct=7.5mm, 2ct=8mm, 2.5ct=8.5mm, 3ct=9mm, 3.5ct=9.5mm, 4ct=10mm Excellent Accessory For Jewelry Making: It is good replacement to real diamond and can be 100% passed by a diamond pen, but it's more sparkling, brighter than the real diamond and the fire is also more stunning. Application: Especially suit for those who're fond of jewelry self making and can be usd as jewelry accessories such as brilliant cut diamond promise ring, engagement ring ,necklace and stud earrings without breaking up your wallet. Specification: Material: diamond Shape and cutting style: Round brilliant Color grade: GH Clarity grade: VVS Size:0.1ct=3mm, 0.2ct=3.5mm, 0.3ct=4mm, 0.4ct= 4.5mm, 0.5ct=5mm, 0.6ct=5.5mm, 0.8ct=6mm, 1ct=6.5mm, 1.5ct=7.5mm, 2ct=8mm, 2.5ct=8.5mm, 3ct=9mm, 3.5ct=9.5mm, 4ct=10mm Include: 1 x Loose Diamond