Indulge in the colour changing properties of this lab grown alexandrite and diamond ring. A 5ct pear cut alexandrite stone sits effortlessly in the centre of this solid 18ct white gold ring. Encircled by a halo of round cut natural diamonds, totalling 0.16ct, this ring is the epitome of luxury.Single 5ct lab grown alexandrite, 32 diamonds, 1-3/K-M, total 0.16ct. Pear cut, Available in sizes A-Z including half sizes.Lab grown gemstones hold the same optical and physical properties as their natural counterparts and offer a superlative cut, colour and clarity. Size: 16.3 mm (0.64 in). Material: 18ct White Gold. Total metal weight: 4.2 gr. 1 pear cut lab grown alexandrite (9 x 13 mm) = 5 ct. 32 round cut diamonds (K colour, I3 clarity) = 0.16 ct total. Colour: Colour Changing. Stone cut: Pear Cut. Anniversary: 55th Anniversary. Birthstone: June.