GRI People


Terry O'Sullivan has over 35 years of experience in the jewelry industry. He is a GIA Graduate Gemologist & certified bench jeweler. Since 2000 Terry has been involved in doing appraisals and finer jewelry work for high-end jewelers and more recently opened an office in Glenside, PA and does private jewelry work. Terry makes frequent trips to New York to the Diamond District and works closely with diamond and colored gemstone cutters and dealers. He has traveled the world buying gemstones & creating priceless contacts. He is known for his honesty & sense of humor. He is constantly up to speed on the market he is able to give accurate and fair numbers for appraisals. Feel free to call and ask for him directly, he would love to answer your questions!

Email: terry@gemoresources.com
Lauren O'Sullivan-Walter has over 10 years of experience in the Jewelry Industry. She worked for a wholesale diamond company in NYC, but eventually moved home to work with her father. She is a GIA Graduate Gemologist, a member of National Association of Jewelry Appraisers (NAJA), & has completed Foundation in Gemology at the Gemological Institute of Great Britain.

Email: lauren@gemoresources.com
Shawn O'Sullivan is Terry's twin brother. Shawn is a GIA Graduate Gemologist and has been the Senior Gemstone Buyer and Product Development Leader for Jewelry Television (JTV.com), one of the world's largest buyers and sellers of gems and jewelry. He travels the world in search of the best buys for quality gems. Shawn, like Terry, has some great stories of his adventures traveling the world and buying gemstones and jewelry.

Email: shawn@gemologicalresources.com
Nirali Sanghavi-Mehta also has over 10 years experience in the industry. She is from Mumbai, India and has received awards for jewelry design. She is a GIA Graduate Gemologist and was a Gemology instructor at GIA India in Mumbai. Nirali has a love for colored stones & diamonds and has a deep knowledge of international markets.

Email: nirali@gemologicalresources.com