CONSTELLATION COLLECTION A timeless necklace in 18k white gold and rhodium vermeil, intricately hand-set with 50 sky blue synthesised opals and 75 round brilliant-cut laboratory-grown simulated white diamonds with a total weight of 18 Ct., dazzling in the silhouette of the shining constellations in the galaxy. Hidden push-lock with safety clasp closure Explore All Matching Creations Hand-crafted in the United Kingdom