This 14ct yellow gold necklace features a graduated design of laboratory grown diamonds set in an open circle pendant and an emerald cut diamond set bail. The total diamond weight is 0.25ct. All stones are F colour and Vs2 clarity. The chain is 45cm with an adjustment at 40cm and 42.5cm. 

Laboratory-grown diamonds are chemically and physically no different from natural diamonds. They should not be confused with diamond stimulant, which is made of non-diamond material. Laboratory-grown diamonds are the same material as natural diamonds: pure carbon, crystallised in an isotropic 3D form.