Material : 75% Gold / 18K Diamond : Natural / Round Brilliant Cut / F – VVS Man’s Ring Weight : ± 4.3 gr Center Diamond Carat Weight (Est) : ± 1/0.0078 ct Woman’s Ring Weight : ± 2.5 gr Center Diamond Carat Weight (Est) : ± 1/0.0078 ct Color : Yellow Gold / White Gold / Rose Gold Finishing : High Polished / Satin / Matte FREE Laser Engraving 5 -14 working days ( For Platinum contact us for price ) All Kimfook Jewelry Products are NICKEL FREE and ANTI ALLERGY