This 18K white gold SHAY Octagon diamond pendant necklace is suspended from an adjustable chain and secured with a lobster clasp fastening. Centred with 0.75 carats of pavé-set, untreated white diamonds, the octagonal charm is encircled with chain link details and faceted edges. We don't know about you, but we can think of at least eight reasons why you need this SHAY necklace.