About Harold Weinstein Ltd.

Independent Toronto gemmologists and appraisers since 1977

Jewellery, diamonds and coloured gemstones

Harold Weinstein Ltd. was established in Toronto in 1977. Our independent gemmological laboratory provides jewellery appraisals, diamond grading and coloured gemstone evaluation at 27 Queen Street East. We work with individual customers and jewellery businesses. Contact our Toronto team to discuss the item you need examined and the report you require.

Discuss your appraisal with HWL

Tell us about your item and the report you need.

Contact our Toronto laboratory about jewellery appraisals, diamond grading or coloured gemstone evaluation. Email info@haroldweinstein.com or call 416-366-6518 to discuss your item and the report you require. For an existing job, include your HWL or report number.

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