Sapphire and diamond necklace

Set with step- and brilliant-cut diamonds, suspending pear-shaped sapphires, length approximately 435mm.

Accompanied by CISGEM report no. 1103 stating that the sapphires show indications of heat treatment. Stamped OR for gold. Sapphires dark blue, each displaying colour zoning visible to the naked eye, well matched in colour, transparent. Estimated total diamond weight approximately 18.00-22.00 carats, estimated colour G-I, estimated clarity VVS-SI on average. Well articulated. Secure clasp. Abrasions consistent with wear. In 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. Please note that colour, clarity and weight of gemstones are statements of opinion only and not statements of fact by Sotheby's. We do not guarantee, and are not responsible for any certificate from a gemological laboratory that may accompany the property. We do not guarantee that watches are in working order. 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. Prospective buyers should also refer to refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue, in particular to the Notice regarding the treatment and condition of gemstones and to the Notice regarding import of Burmese jadeite and rubies into the US.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."

Accompanied by CISGEM report no. 1103, stating that the sapphires show indications of heat treatment.