JEM Logics Inc.

JEM Logics Inc. JEM Logics Inc., is an independent Jewelry Appraisal & Gemology firm located on Long Island, NY.

03/01/2026
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10/18/2025

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15ctw Art Deco Old Mine Cut Diamond Bracelet
10/17/2025

15ctw Art Deco Old Mine Cut Diamond Bracelet

Watch out!
09/08/2025

Watch out!

Four natural and synthetic diamonds received at the GIA for updated services turned out to be imposters bearing fake inscriptions.

Platinum Art Deco revival brooch changed into a necklace. Most art deco jewelry have a mix of transitional, old European...
08/10/2025

Platinum Art Deco revival brooch changed into a necklace. Most art deco jewelry have a mix of transitional, old European and/or old mine diamonds. This brooch features round brilliants which places it a little later.

Wonderful review by one of our recent clients. We strive for the highest standards in the jewelry trade.
06/28/2025

Wonderful review by one of our recent clients. We strive for the highest standards in the jewelry trade.

06/03/2025

GIA updates its lab grown diamond grading report, replacing the 4Cs with new terms—clarifying the difference between lab grown and natural diamonds.

Interesting set of earrings that came across our desk today. Cartier “Door Knocker Earrings” made by Aldo Cipullo in 197...
05/20/2025

Interesting set of earrings that came across our desk today. Cartier “Door Knocker Earrings” made by Aldo Cipullo in 1972. Cipullo was an artist who made many designs for Cartier. Great find!

Address

25 Melville Park Road Suite #180
Melville, NY
11747

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