1 Enamel brooches with crystals, $720, by Armani.
2 Necklace with pyrite, Peruvian opal, and fluorite stones, $226, Wendy Mink.
3 Mother-of-pearl pendant with diamonds in 18-karat gold, $1,379, Kara Ross.
4 Aquamarine necklace with diamonds, $18,713, Kara Ross.
5 Shell earrings with spinel pavé and cognac diamonds, $4,000, John Hardy.
6 18-karat rose gold ring with rhodolite, $8,000, Pomellato.
7 Silver cuff links with hand-carved mother-of-pearl and blue topaz, $400, Tracey Mayer.
8 Marble cone shell ring with 18-karat gold, spessartite, sapphire, rhodolite, and cognac diamond pavé, $8,000, John Hardy.
9 18-karat-gold pin with emeralds, rubies, and diamonds, $12,000, Van Cleef & Arpels.
10 Gold-and-platinum brooch with aquamarine and amethyst, $22,000, Jean Schlumberger for Tiffany & Co.