Ruby and diamond necklace, Bulgari, and a pair of diamond ear clips

The necklace collet-set with a tetradrachm coin of Alexander the Great, between hinged fittings set with baguette diamonds and cabochon rubies, to a flattened curb link chain, the clasp accented with a single brilliant-cut diamond, length approximately 390mm, signed Bulgari, gross weight approximately 124 grams, fitted pouch stamped Bulgari; and a pair of ear clips, each set with a similar, smaller coin depicting Alexander the Great, within octagonal mounts set with brilliant-cut diamonds, clip fittings, unsigned.

Necklace: stamped 750 for 18 carat gold on clasp tongue. Base of pendant signed Bulgari. Reverse of pendant inscribed Alessandro Magno 336-323 AC Tetradramma, referring to the coin. Coin approximately 23.6mm diameter. Front with Alexander the Great in profile, reverse with seated figure holding falcon. Rubies red, translucent, with typical inclusions visible to the unaided eye. Diamonds bright and lively, estimated total diamond weight approximately 0.50 - 1.00 carats. Chan well-articulated, clasp secure. Ear clips: Unsigned. each inscribed Alessandro Magno 336-323 AC on reverse, stamped 750 to underside of clip fittings. Diamonds bright and lively, estimated total diamond weight approximately 1.00 - 1.40 carats. Clip fittings secure. All pieces with light scratches to surfaces 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.
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."