Pendant Necklace Double Halo Design #62868.3. - GuyDesign® 6.40 GuyDesign®, Opulent Platinum Pendant Necklace DG628683.91020000.86826, 6.40 Carat. Lab-Grown Chrysoberyl Alexandrite, Set with Precision Cut, G+, VS Mined Diamonds Bespoke style Available in Round, Oval, Cushion, Princess, Pear and Emerald. • Pe Standard Retail Price: Was: Now: £0.17