Rings › Style #527 Image 1 of 1 Style #527 $0.00 18k gold ring with 8x6mm oval center stone and 2.8mm round Diamonds with platinum bezels (optional). Shown in Blue Sapphire. Add To Cart Added! 18k gold ring with 8x6mm oval center stone and 2.8mm round Diamonds with platinum bezels (optional). Shown in Blue Sapphire.