AN ELEGANT DIAMOND NECKLACE, BY VAN CLEEF & ARPELS  The flexible V-shaped baguette-cut diamond line, enhanced by graduated circular-cut diamond trim, the front suspending a detachable pear-shaped diamond, weighing approximately 4.11 carats, mounted in platinum and 18k gold, 16 ins., with French assay marks and maker's mark, in a Van Cleef & Arpels blue suede envelope case Diamond Necklace Simple, Diamond Necklace Designs, Solitaire Pendant Necklace, Diamond Jewelry, Diamond Necklaces, Diamond Choker, Baguette Diamond Necklace, Lotus Necklace, Crown Necklace