|Gem Scan International, Inc.:
27 Queen Street East, Suite 406
Tel: 416 868-6656
Fax: 416 868-6558
Andrew S. Tatarsky, G.G, and sam S . Barbuzzi, G.G.
Large valume diamond grading and jewelry appraisals for national chain
stores to single diamond grading and jewelry appraisals for small independent
jewelers. Originators of the Appraisal Portfolio TM, a passport size document.
Fully equipped computerized laboratory, GIA certified diamond master
comparison sets, Sarin Digiral Imaging Technology.
Identification with a 24-hour turn around, color photographs, diamond grading
reports with plots, gemstone identification.
Color, clarity dcale, cut grade for diamonds. Enhancement, identification
for colored stones.
|Harold Weinstein Limited:
55 Queen Street East, Suite 1301
Tel: 416 366-6518
Fax: 416 336-6519
Anne Neumann, GG, CGA (AGS), Duncan Parker, FGA, FCGmA
Identification of gemstones, diamond grading, appraisals of
important and vintage jewelry.
Gemlab equipment (including access to Raman spectroscopy),
Computerized data storage and retrieval, digital photography.
Diamond grading, gemstone identification and praging, jewelry
appraisals for trade and public.
Color, clarity and cut grade (stated and shown on scale),
enhancement of diamonds and colored stones, identification of
Given by the principals at the Canadian Gemmological Association,
George Brown College (a post-secondary community trades school),
and the Canadian Jewellers' institute. Also, the principals have written
sales-level training courses for a national chain of retail stores and the
Canadian Jewellers' Institute.