Lapis Lazuli and Diamonds Necklace

18 kt yellow gold necklace with circle pendant in lapis lazuli and diamonds: choker with a central circle charm with 1.6 cm diamater, in natural lapis lazuli stone framed in polished gold with two diamonds. Total lenght 45 cm with reductions at 41 cm and 43 cm, polished chain and modern design clasp, triangle charm with Tavanti logo.