Photo 1. Clockwise from above: Cindy Chao the Art Jewel 42.48-carat and 46.89-carat Colombian emerald earrings with colored diamonds, price upon request (+852.9867.2798, www.cindychao.com); Bulgari181-carat sapphire pendant on a necklace of emeralds, diamonds, and sapphires, approximately $12 million (800.285.4274, www.bulgari.com); Arunashi for Lugano Diamonds 9.12-carat emerald ring with opals and diamonds, $136,000 (949.720.1258, www.luganodiamonds.com).
Photo 2. Clockwise from upper left: Tiffany & Co. oval cuprian elbaite tourmaline ring with diamonds, $185,000, oval cuprian elbaite tourmaline ring with diamonds and onyx, $130,000, and emerald-cut cuprian elbaite tourmaline ring with diamonds, $250,000 (800.843.3269).
Photo 3. Clockwise from top: Van Cleef & Arpels fire-opal bead necklace with diamonds, garnets, spinels, yellow sapphires, and onyx set in white gold, price upon request (877.826.2533, www.vancleefarpels.com); H. Stern 26.5-carat citrine ring, $4,400 (212.655.3910, www.hstern.net); Georland 10-carat topaz ring in a diamond-and-pink-gold setting, $36,000 (212.730.4730, www.georland.com); Chanel Fine Jewelry sculpted moonstone Camélia ring with a spessartite center stone and diamond accents, $125,000 (800.550.0005, www.chanel.com); Georland41-carat citrine ring with Paraíba tourmalines, spessartites, rubies, sapphires, and tsavorites, $72,000.
Photo 4. Clockwise from top: Robert Procop Exceptional Jewels 81-carat sapphire bracelet with diamond accents, $86,000, and flower-shaped earrings with 20 carats of sapphires and one carat of diamonds, $28,000 (310.276.6041, www.robertprocop.com); Kwiat sapphire-and-diamond pinwheel earrings, $31,700 (212.725.7777); Fabergé sapphire ring, price upon request (646.559.8848, www.faberge.com); Dior Fine Jewelry 5-carat purple-blue sapphire floral ring with diamonds, emeralds, and sapphires, price upon request (800.929.3467, www.dior.com).
Photo 5. Clockwise from top: Chopard 35-carat rubellite floral earrings with rubies and diamonds, price upon request (800.246.7273, www.us.chopard.com); Harry Winston 92.65-carat rubellite earrings with pavé diamonds, price upon request (800.988.4110, www.harrywinston.com); Hemmerle orange tourmaline earring surrounded by mandarin garnets, and pink tourmaline earring, both set in copper over white gold and sold as a mismatched set, price upon request (+22.214.171.124.600, www.hemmerle.com); De Grisogono carved pink-sapphire earrings with diamond and pink-sapphire accents, $158,200 (212.439.4220, www.degrisogono.com).
Photo 6. From left: Cartier 20.45-carat pink-morganite ring with a 3.8-carat red-spinel center and diamonds, $202,000 (800.227.8437, www.cartier.us); Gilan 7.6-carat tourmaline ring with chalcedonies and diamonds, $19,600, available at Bergdorf Goodman (800.558.1855, www.bergdorfgoodman.com); Antonini amethyst ring with iolites, chalcedonies, and diamonds, $11,950 (877.526.8664, www.antonini.it); David Yurman signet ring with 23 carats of pink tourmalines and 13.5 carats of purple sapphires, $38,000, available at the David Yurman boutique on Madison Avenue (212.752.4255).
Photo 7. From left: Chopard 51-carat rubellite ring with rubies and diamonds, price upon request (800.246.7273, www.us.chopard.com); David Yurman mosaic dome ring with 23 carats of pink sapphires, $27,000 (212.752.4255); De Grisogono 8.7-carat spinel ring with spinel and amethyst accents, price upon request (212.439.4220, www.degrisogono.com); Pomellato ring with purple and pink spinels and pink and violet sapphires, $117,900 (800.254.6020, www.pomellato.com); Mikimoto baroque South Sea cultured pearl ring with diamonds, sapphires, and Paraíba tourmalines, $200,000 (800.223.4008, www.mikimotoamerica.com).
Photo 8. Clockwise from top left: G International 57.03-carat amethyst bracelet surrounded by purple sapphires set in a white-gold bangle mounted in a carved amethyst bangle, price upon request, available at Bergdorf Goodman (800.558.1855, www.bergdorfgoodman.com); Martin Katz amethyst-and-diamond earrings, $65,000 (310.276.7200, www.martinkatz.com); Pomellato violet-sapphire bracelet, $45,000 (800.254.6020, www.pomellato.com); Hemmerle amethyst earrings weighing a total of 124.66 carats with color-changing garnets, price upon request (+126.96.36.199.600, www.hemmerle.com); Chopard amethyst cuff, price upon request (800.246.7273, www.us.chopard.com).
Photo 9. Clockwise from above left: Chopard 52-carat emerald earrings with diamonds, price upon request (800.246.7273, www.us.chopard.com); Leviev 75-carat emerald pendant necklace with sapphires, rubies, and diamonds, price upon request (212.763.5300); Arunashi emerald-and-diamond earrings set in titanium and gold, $225,000 (310.888.0123, www.arunashi.com); Jacob & Co. earrings with nearly 69 carats of Colombian emeralds accented with diamonds, price upon request (212.719.5887, www.jacobandco.com).
Photo 10. Bulgari mother-of-pearl necklace with rubellites, peridots, amethysts, and diamonds, approximately $300,000 (800.285.4274, www.bulgari.com).