Elegant Green Necklaces I

An emerald and diamond necklace by J. Roca, 1970s.

A 14 karat white gold, tourmaline and diamond necklace.

An 18 karat gold and carved jade "Ru-yi" necklace by David Webb, 1971.

An 18 karat gold, emerald and diamond necklace by Stefan Hafner.

An 18 karat gold, emerald and diamond necklace by Van Cleef & Arpels.

An 18 karat gold, emerald and diamond necklace by Van Cleef & Arpels.

An 18 karat gold, jade and sapphire necklace by David Webb.

An 18 karat gold, kunzite and emerald necklace by Tony Duquette.

An 18 karat gold, pearl, jadeite and diamond necklace.

An 18 karat gold, tsavorite garnet and diamond "Lily of the Valley" necklace by Michele della Valle.

An 18 karat gold, turquoise and diamond pendant-brooch and chain by Van Cleef & Arpels.

An 18 karat white gold, emerald and diamond necklace.

A 19th century gold and turquoise necklace.

A Belle Époque jade and diamond necklace, circa 1910.

Rings in Many Different Hues

An 18 karat gold, diamond, emerald and sapphire ring.

An 18 karat gold, ruby, emerald and sapphire ring by Stefan Hafner.

A colored diamond and white diamond ring.

A group of four diamond and gem-set rings by Van Cleef & Arpels, including two Tiger's Eye and two Malachite rings.

Multi-gem ring by De Grisogono.

A yellow sapphire and multi-gem set ring.

A cabochon amethyst ring, a green tourmaline ring by Elizabeth Gage, London, 1990, and a citrine ring, London, 1967.

A collection of chunky quartz rings by Andy Lifschutz jewelry.

A diamond and ruby ring.

A diamond, ruby, and sapphire ring by Bulgari.

An "Emotion" ring by Fabergé, priced at USD 38,000.

An "Emotion" ring, with platinum, diamonds, sapphires, moonstones, opals and Paraiba topaz, by Fabergé.