We’ve been working on an insurance appraisal for this wonderful platinum necklace with diamonds and jadeite from the 1920’s and realized the piece has a lot to teach about grading and valuing jade. Jade is not well understood by many folks. If I told you that jade can be one of the most expensive of […]
We thought this would be a great post the week before Father’s Day. Often at Mardon Jewelers, we’re asked to perform an expert service by a client. Such was the case recently when we restored the ring that originally belonged to Robert M. Shipley, the founder of GIA. Early in his career, Mr. Shipley realized […]
A service we offer is finding rare gemstones. One of my “quests” at Tucson 2010 was for an unusual stone for a client who owns a stable of Tennessee Walking Horses. One of his horses is a World Grand Champion, so he was interested in a ring he could wear that would bring attention to […]
