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Hello Sambhav Karnawat, I am asking for your knowledge or expertise about a ring I have purchased from an antique shop. I was not sure of the stones until I cleaned the ring.It has a lot of build up inside,but upon 2-3 cleanings the stones appear to be rubies.I have tried to trace the makers mark and have  had no luck..The ring says SS925 and the mark is a star with a F inside.I appreciate any information you are able to provide. Thank you.

Hello Elizabeth
I hope you are having a wonderful 2013! SS925 is a stamp code for Sterling Silver 925. I do not know the maker, however. From the photo, the stones do not appear to be natural, they appear to be synthetic. However, it can be determined truly only by seeing in person.

Just a suggestion, you can try ultrasonic cleaning, it might save you a lot of effort.

I hope that helps.

Best regards
Sambhav Karnawat
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Sambhav Karnawat


I have interest & expertise in Platinum Jewelry & Ruby, from Ruby roughs to polished Rubies to Ruby Jewelry. Anything about Rubies, I'd love to talk!


I have graduated in Science & Technology & Our family has been in the Ruby business for over a century & I have myself been involved in platinum jewelry e-commerce since 2008. I have extensively studied Rubies & stay regularly updated with the current markets, trends, treatments & recent developments. My father has been a speaker at the International Colored Gemstone Association, & Jaipur Jeweler's Association.

Jewelove Suranas Jewelove K.K. Exports, The Ruby People All India Gem & Jewelry Trade Federation Jaipur Jewelers' Associaton Former member International Colored Gemstones Association Former member Jaipur Jeweler's Association

Gem World Diamond World Retail Jeweller

Bachelor of Technology from Indian Insitute of Technology Kanpur, India. Certified Diamond Grader, Diamond Training Institute, Jaipur

Awards and Honors
Awarded by Smt. Pratibha Devi Patil ,the President of India for Academic Excellence Rated as one of the fastest growing jewelry business presence on facebook.

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