How Can MJSA Help You?

MJSA is the trade alliance dedicated to professional excellence in jewelry making and design. By tapping into the collective strength of our community, MJSA members find the expertise, connections, and support needed to maintain quality, reach new customers, and succeed.

Find Sales and Sourcing Opportunities

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MJSA Expo: 2022 Dates Announced

MJSA Expo will return March 20-22, 2022, to the Javits Center in New York City.

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Promotions from MJSA Members

MJSA Member Showcase

An assortment of geocut gemstones available from Columbia Gem House

Calibrated GeoCut Gemstones

October 18, 2021

Now available in calibrated and repeatable sizes, these GeoCut stones feature unusual and unique angular shapes. Offering a custom, one-of-kind look, this cut collection can easily be used in repeatable production lines. Stones available in this cut include sapphire in blue, lavender, gray, gold, yellow, and bi-color from Montana and Malawi, as well as Anthill garnet, red garnet, sunstone, morganite, aquamarine, peridot, amethyst, blue topaz, green beryl, and rutilated quartz. Stones are offered in sizes ranging from 0.33 carat to about 6 carats, with most in the 0.5 carat to 2.5 carat range. Available from MJSA member Columbia Gem House  •

Pierced diamond necklace by Brevani a division of Color Merchants

Pierced Diamond Necklace

October 18, 2021

The Pierced Diamond Necklace features seven alternating fairmined and natural diamonds: four 0.05 point diamonds and three 0.15 point diamonds (0.65 ctw). It is available in 14k yellow, white, or rose gold and can be customized with alternative diamond sizes, chains, and diamond spacing. Available from MJSA member Brevani, a division of Color Merchants  •