CUSTOM-MADE 18K YELLOW AND WHITE GOLD AND BRONZE AND WHITE DIAMOND RING,Made by Péclard Juwelier, Zurich. Bezel set marquise cut bronze diamond weighing 2.14 ct., bordered by 16 brilliant-cut round white diamonds; tapering openwork shoulders of shank further enhanced by 36 graduated brilliant-cut white diamonds set to appear as six graduated butterflies. Total weight of 52 brilliant-cut diamonds, approximately 1.61 ct. Ring, gross wt.: 10 dwt. Size: 6 1/2. Accompanied by original purchase receipts from Majeco Diamonds, Antwerp; Péclard Juwelier, Zurich; and appraisal documents from two U.S. jewelers Estimate $12,000-18,000