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- Jonathon Ohayon
Jewelry, Gems, & Minerals/Expert Profile
Jonathon Ohayon
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Expertise
Any diamond, jewelry or engagement ring related questions. I am a Graduate Gemologist and have extensive experience in the field of Gemology including diamonds, gemstones, and precious metals.
Experience in the area
I have been working in the jewelry industry for over 10 years and am a Gemologist. I also appraise diamonds and jewelry for Brilliance.com.
Education/Credentials
Graduate Gemologist and Bachelors in Business Management. Apprenticed under Head Gemologist of Brilliance.com for 2 years.
Average Ratings
Recent Reviews from Users
K = Knowledgeability C = Clarity of Response P = Politeness| User | Date | K | C | P | Comments |
|---|---|---|---|---|---|
| sharon | 05/13/12 | 10 | 10 | 10 | |
| Priscilla | 04/27/12 | 9 | 10 | 10 | Thank you very much. |
| Michael | 04/02/12 | 10 | 10 | 10 | Wow, thank you so much for such ..... |
| lauren | 03/06/12 | 10 | 10 | 10 | I want to thank you for all ..... |
| Tracie | 03/02/12 | 10 | 10 | 10 | Thank you. I appreciate the quick response ..... |
Recent Answers from Jonathon Ohayon
2012-05-23 daimond earring:
Hi Chuck, the closest my research came up with is a certain Richard Llewellyn B Rathbone, a silver smith from London. His stamp has an R, then an L with a smaller uppercase L perched on it. However, the
2012-05-15 making a granite ring:
Hi Joe, While granite rings do exist, I can imagine these would not be as durable as rings made out of metal. The hardness of granite lies around 6 to 6.5 on the Mohs Scale, with diamond at 10. While
2012-04-26 Found a ring:
Hi Priscilla. I'm not entirely sure about the 5NV mark because there's really no convention or global standard when it comes to jewelry marking, but NV could mean Nevada Silver. The stone remotely resembles
2012-04-20 old ring:
Hi Amy, according to my research, it is possible that your ring could have been manufactured by a certain Brier Manufacturing Company, a costume jewelry company located in Providence, Rhode Island, USA
2012-04-05 My friend gave me this and I would like to know if it's valuable and if it is an estimated price if possible:
Hi Thomas, HGE means "hydrostatic gold plating", so this means that the ring is not purely made out of gold, but rather has a thin layer of gold on a base metal, usually brass. The logo you mentioned (U
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