ROCK CRYSTAL, ONYX, AND DIAMOND PENDANT-NECKLACE, BOUCHERON, FRANCE

The necklace composed of fluted rock crystal links accented by round diamonds, alternating with onyx cabochons, suspending a similarly designed pendant-brooch centered on a marquise-shaped onyx within a frame of round diamonds, length 24 inches, detachable into three 7½ inch segments allowing for variety of wear, each signed Boucheron Paris, pendant numbered 20018, two bracelets numbered 1768 and 1769 respectively, all with French assay and workshop marks.

In good condition with some discoloration and tarnish to the metal, predominantly to the reverse sides, not immediately noticeable when worn. All pieces with French assay marks for 18 karat gold and platinum, and with Boucheron workshop marks. The numbering on one bracelet is worn and has become obscured. The rock crystal in good condition, with minor surface abrasions only apparent when closely inspected. A few rock crystal links are loose on their mountings but does not affect wearability; may benefit from the attention of a jeweler. The onyx also in good condition with very minor surface scratches and nicks, the marquise-shaped onyx bearing a small fracture on the side, not noticeable when worn. The diamonds, estimated to weigh a total of approximately 12.30 carats, are approximately G-H color, predominantly VS clarity. Please note that while the detachable segments measure 7½ inches in length, their internal circumferences is approximately 7 inches due to their thickness when worn as bracelets. Links measure approximately 1 inch in width. The pendant-brooch measures approximately 2½ x 2¼ inches. All clasps are fitted with safety closures with the exception of one, which is missing; all clasps close securely. Total gross weight approximately 183 dwts.
In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective qualified opinion. Illustrations in the catalogue may not be actual size. Prospective purchasers are reminded that, unless the catalogue description specifically states that a stone is natural, we have assumed that some form of treatment may have been used and that such treatment may not be permanent. Our presale estimates reflect this assumption.Certificates of Authenticity: Various manufacturers may not issue certificates of authenticity upon request. Sotheby's is not under an obligation to furnish the purchaser with a certificate of authenticity from the manufacturer at any time. Unless the requirements for a rescission of the sale under the Terms of Guarantee are satisfied, the failure of a manufacturer to issue a certificate will not constitute grounds to rescind the sale. Gemological Certificates and Reports: References in the catalogue descriptions to certificates or reports issued by gemological laboratories are provided only for the information of bidders, and Sotheby's does not guarantee and accepts no responsibility for the accuracy, terms or information contained in such certificates or reports. Please also note that laboratories may differ in their assessment of a gemstone (including its origin and presence, type and extent of treatments) and their certificates or reports may contain different results.NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING CONDITION OF A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF SALE PRINTED IN THE CATALOGUE.