Georgian Diamond Brooch in Silver, circa 1750

Georgian diamond brooch. Set with one hundred and ten rose and table cut diamonds of varying shapes and sizes, in closed back cut down settings ...

Pendant brooch by Child & Child. A pendant/brooch in three detachable sections, the uppermost composed of an elongated octagon with inward bowed sides set with one central diamond in a collet setting with a weight of 2.50 carats, flanked by trefoil forms set with six diamonds in bead settings with a combined weight of 1.20 carats, on a ground of pierced millegrain vertical bars, and encircled by a single scalloped border of twenty six diamonds in bead settings with a combined weight of 13.00 carats; the middle section composed of one central diamond in a collet setting with a weight of 1.20 carats, on a ground of pierced millegrain horizontal bars, and encircled by a stylized laurel wreath set with eighteen diamonds in bead settings with a combined weight of 2.16 carats, surmounted with two diamonds in collet settings with a combined weight of 0.15 carats, and encircled by a further five diamonds in collet settings with a combined weight of 1.50 carats; the bottom section in the same format and settings as the middle with one central diamond at a weight of 0.45 carats, eighteen diamonds weighing 0.90 total carats, two diamonds at 0.10 total carats, and five diamonds at 0.50 total carats, and also with a lower pendant composed of one diamond in a collet setting with a weight of 0.40 carats, above a bell form set with two diamonds in bead settings with a combined weight of 0.60 carats and with three diamonds in bead settings with a combined weight of 0.15 carats, above two more articulated links one composed of a diamond in a collet setting with a weight of 0.25 carats, above one mounted in the same fashion with a weight of 0.15 carats, all above an inverted tear shape link set with two rose cut diamonds in bead settings with a combined weight of 0.03 carats; all set with cushion shape old cut diamonds unless specified, millegrained throughout, and with a grand total of ninety three cushion shape old cut diamonds with an approximate total weight of 25.20 carats, and two round rose cut diamonds with an approximate total weight of 0.03 carats. The upper section is set to reverse with an entirely removable brooch bar with secure C spring clasp, and further set with two loops for a necklace to be attached. Each of the three sections are set with thread bars to attach or remove accordingly, with two threads set to the upper to form a choice of brooch or pendant as desired. Tested platinum, with makers mark for Child and...

Antique Late 18th / 19th Century rose-cut diamond devant de corsage or stomacher in closed-back silver, Portugal. This Portuguese jewel is composed b...

An important late 17th to early 18th century diamond “laça” pendant-brooch, Portuguese, in 19.2kt yellow gold, set throughout with rose-cut and lasque diamonds in closed-back collet ...