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This five-row layered necklace from Wempe has 369 round and marquise-cut brilliant diamonds totaling 60.29 carats set in 18-karat white gold. ($231,000) 212.397.9000, wempe.com
From its 2018 Blue Book Collection, this Tiffany & Co. platinum ring showcases two 4-carat tsavorites of different tones, accented with diamonds. ($78,000) 212.755.8000, tiffany.com
Martin Katz crafted this platinum cocktail ring with a 23.23-carat cushion tanzanite and two trapezoid diamonds weighing 1.22 carats, micro-set with 130 round single-cut diamonds weighing 0.47 carats, 48 round blue sapphires weighing 0.63 carats and eight amethysts totaling 0.07 carats. ($65,000) 310.276.7200, martinkatz.com
This high-jewelry bracelet from Tiffany & Co.’s Paper Flowers collection features sapphires, tanzanites and diamonds. (Price upon request) 212.755.8000, tiffany.com
This Royal IndoRussian ring from Sanjay Kasliwal has a striking 34.70-carat emerald bordered with diamonds totaling 2.51 carats. ($65,000) 212.988.1511, sanjaykasliwal.com
From the Festa High Jewelry collection, this Bulgari platinum ring features a central 5.31-carat emerald-cut diamond, adorned with two pear-shaped brilliant-cut diamonds, 20 fancy step-cut diamonds and pavé diamonds, all totaling 1.52 carats. (Price upon request) 800.285.4274, bulgari.com
From the Bulgari Festa High Jewelry collection, this dramatic yellow gold necklace features 17 round sapphires totaling 13.28 carats, 3.97 carats of pavé-set emeralds, and 33 round brilliant-cut and pavé-set diamonds totaling 16.79 carats. (Price upon request) 800.285.4274, bulgari.com
