Two Diamond Rings; and a Diamond and Gem-set Ring;, Van Cleef & Arpels

The first ring, embellished with circular-cut yellow diamonds and diamonds, signed VCA and numbered; the second, set with circular-cut and baguette diamonds, signed V.C.A.; and the third, of bombé design, set with circular-cut diamonds, highlighted with circular-cut rubies, sapphires and emeralds, signed Van Cleef & Arpels and numbered, with French assay mark; mounted in 18 karat yellow gold. Ring sizes: 5¾, 6¾ and 6 respectively.   (3)

Yellow diamond and diamond ring: Signed VCA and numbered 146 111. French assay mark and stamped 750 for 18 karat yellow gold. Coloured diamonds estimated to weigh approximately 0.70 carat, are intense yellowish orange colour, about VS clarity. Side diamonds estimated to weigh approximately 1.20 carats, on average F to G colour, about VVS clarity, as gauged and graded in the mount. Metal in very good condition. Diamond ring: Signed VCA. Mounted in yellow gold. Diamonds estimated to weigh approximately 1.30 carats, on average F colour, VS clarity, as gauged and graded in the mount. Metal in very good condition. Accompanied by VCA repair invoice. Gemset and diamond ring: Signed Van Cleef & Arpels and numbered M34633. French assay mark for gold and stamped 750 for 18 karat yellow gold. Emeralds, rubies and sapphires altogether estimated to weigh approximately 0.70 carat, are lively and of intense saturation. Diamonds estimated to weigh approximately 1.90 carats, on average F colour, about VS clarity. Metal in very good condition.
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.

The yellow diamonds have not been tested for natural colour origin.