butterfly ring were discovered to be carbon in 1796, and it took more than 150 years from that time until a method of diamond fashion synthesis was invented.
antique engagement ring experts would never attempt to verify a diamonds color in a setting, and would insist on a certified color comparison before attempting to make a fair evaluation, confirming how difficult differences in color grades are to see.
Ever since the first diamond jewelry gleamed in the light of day, a romantic touch of mystery has surrounded the world´s most exclusive precious stone.