Dafina Jewelry® has introduced Dafina One Carat based on the two most demanded gemstones for an engagement ring: 6.5± mm (diameter) brilliant cut (round) diamond 6.5± mm (diameter) brilliant cut (round) sapphire To reach the best choice in premium quality vs. budget, and to eliminate confusion, Dafina has optimized all important characteristics of the above gemstones in one standard set, and offers only these center stones as "Dafina One Carat": Dafina One Carat Diamond 6.5± mm (diameter) brilliant cut (round) diamond A Dafina One Carat Diamond is an optimum diamond, picked with equal attention to all parameters and factors affecting its quality, and will be set into your chosen Dafina engagement ring to last your life long journey. The GIA certificate for each Dafina One Carat center diamond is enclosed in the package when you receive your ring. Watch the Diamond View Common Questions View Center Stone Education Summary Carat Weight 1 - 1.05 Color G Clarity VS2 Cut Excellent - Very Good Polish Excellent - Very Good Symmetry Excellent - Very Good Depth % (For round) 60 - 62.5 Table % (For round) 55 - 60 Depth % (For princess) 68 - 73 Table % (For princess) 66 - 74 Culet None Florescense None - Faint L/ W Ratio (For princess) 1:1 - 1:1.05 Certificate GIA Treatment Natural. No treatment