Testing instruments
Yehuda Diamond Company
Bench-top detectors aimed at separating natural from laboratory-grown diamonds in loose parcels and mounted jewellery.
The record
Kind of equipmentTesting instruments
BasedNew York, United States
Price, as listedPrices are published on the company's own site in US dollars: Sherlock AI USD 7,300 and Watson AI USD 3,300, with a stated USD 12.50 monthly subscription fee.
StatusTrading
What it makes
Named as the maker names them on its own site. Specifications and availability change; confirm with the maker before ordering.
Sherlock AIWatson AIBig SherlockSherlock Holmes 4Dr. Watson
Worth knowing
The company is based in New York, not Belgium or Israel; its listed address is 424 Madison Avenue, Suite 1401. The Sherlock Holmes 4 and Dr. Watson are shown as older devices, with a trade-in offer against the AI models. No founding year is stated on the site.
Compiled from yehuda.com, read on August 16, 2026.
We record what makers publish about themselves. We have not tested this equipment, we take no commission on it, and a listing here is not a recommendation to buy.