18k yellow gold ring with a 2.00 ct oval-cut central diamond

18k white gold ring with a 0.80 ct heart-cut diamond

18k white gold ring with a 1.00 ct oval-cut central diamond

18k white gold ring with a 2.00 ct natural sapphire and 0.3 ct diamonds

18k white gold ring with a 0.65 ct oval-cut central diamond

18k white gold ring with 1.5 ct diamonds and a 0.25 ct center diamond

18k yellow gold ring with a 1.02 ct central diamond

18k rose gold ring with 0.50 ct blue diamond and diamonds