Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 18ct Gold Necklace with Diamonds & Aquamarine £599.00 Elegant pear shaped aquamarine drop necklace, with a diamond wishbone style top. All set in 18ct white gold. Add To Cart Added! Elegant pear shaped aquamarine drop necklace, with a diamond wishbone style top. All set in 18ct white gold.