Louis Vuitton 18ct yellow golden ring with blue tourmaline

Engineered Beauty: David Morris' New Renaissance collection

Blue Yellow Gold 18k Jewelry for Men for sale

18K GOLD 6.89 CT GIA CERTIFIED NEON GREEN BLUE PARAIBA TOURMALINE

BVLGARI Allegra Three-band 18ct Yellow-gold, Pink Tourmaline

18k Gold Ring with Trillion Cut Tourmaline & Diamonds

Piranesi 18K Rose Gold Pietra Emerald-Cut Amethyst Ring, Size 6.75

18ct yellow gold/platinum XVring with a blue Tourmaline

18ct Yellow gold /Platinum Blue Tourmaline XVring (MR56)

18kt yellow gold ring, set with a magnificent blue tourmaline (indicolite) cabochon weighing 16.70 carats.

18kt Yellow Gold and Blue Tourmaline Ring

Top five coloured gemstones for that unique engagement ring

Men's 14k Yellow Gold Princess Cut Blue Sapphire & Round

Robert Trisko RARE 14k Yellow Gold Stackable Green Tourmaline

18ct yellow gold/platinum XVring with a blue Tourmaline

18ct Yellow gold /Platinum Blue Tourmaline XVring (MR56)