BELLE ÉPOQUE CONCH PEARL AND DIAMOND NECKLACE, CIRCA 1905 Of foliage design, suspending to the front with fifteen graduated conch pearls measuring approximately 5.20 x 5.10 x 9.80mm to 3.55 x 4.15 x 6.90mm, highlighted by circular-cut diamonds together weighing approximately 1.30 carats, mounted in platinum and 18 karat yellow gold, length approximately 400mm.