Henry Dunay, Monkey Brooch, 1990-1999, diamond, gold. Photo courtesy Classic Collections A testament to Henry Dunay's artisan skills, this whimsical 18 karat yellow gold monkey is beautifully florentined with high polish accents. He appears to be contemplating...

Platinum, Ruby and Diamond Necklace, France. photo courtesy Sotheby's Set with oval and cushion-shaped rubies weighing approximately 40.00 carats, accented by round, old European-cut and baguette diamonds weighing a total of approximately 20.75 carats,...

An art deco diamond, sapphire, jade and onyx bracelet. photo: Christie's Images Ltd 2010 Designed as an old European-cut diamond band, enhanced by tapered jade blossoms with black onyx stems, spaced by three pierced French-cut sapphire geometric panels,...

A Diamond Ring, By Henry Dunay Set with a rectangular-cut diamond, weighing approximately 7.00 carats, flanked on either side by a baguette-cut diamond, mounted in platinum. Signed Dunay for Henry Dunay - Estimate $375,000 - $500,000 - Unsold. With report...