Geneva Jewels - Lots 1-368

Comprising a pair of cufflinks, designed as rectangular gold plaques with a central brilliant-cut diamond and decorated with guilloché blue and...

Each set with a brilliant-cut diamond weighing approximately 1.19 and 1.30 carats, mounted in platinum Estimate: 8,000-12,000

The brilliant-cut diamond weighing approximately 4.55 carats, to the platinum mount, size 15/55; not illustrated Estimate: 16,000-20,000

The brilliant-cut diamond weighing approximately 4.20 carats, to the platinum mount, size 13/53; not illustrated Estimate: 10,000-15,000

The openwork plaque with pierced palmette terminals, set throughout with circular and old European-cut diamonds, to the two bouton pearl highlights, m

Each with a brilliant-cut diamond weighing approximately 1.00 carat, mounted in 18K white gold Estimate: 9,000-12,000

Composed of 25 graduated cultured pearls measuring approximately from 17.5 to 14.0 mm, to the diamond pavé-set clasp, length 42.0 cm Estimate:

Of scroll design, set throughout with old mine, old cushion and baguette-cut diamonds, mounted in platinum Estimate: 5,500-7,500

Designed as four openwork panels of scrolled ribbon motif, set with circular, brilliant and marquise-shaped diamonds and centering on an oval-shaped r

Designed as three shaped openwork rectangular panels, with buckle connecting links, set throughout with brilliant-cut diamonds, mounted in platinum, s