Archive for the ‘Gemstones’ Category

Emerald Show Going On Now

Tuesday, May 5th, 2015

Now showing- a Stellar Collection of Emerald Jewelry from our good friends at AG Gems. If you’ve ever wanted to see what an outstanding Natural Emerald looks like, this your chance. Stop by our shop – we’ll show you beautiful rings, earrings and a fabulous necklace, set with fine Emeralds from Colombia and  Zambia. These items have gemological certifications from GIA […]

Award Winning Gemcutters at Mardon

Thursday, February 19th, 2015

Mardon Jewelers has a new relationship with two of America’s finest gem cutters, John Dyer and David Brackna. We met both of these award winning artists at this year’s Tuscon Gem show and were able to purchase fine examples of their work.  We’ll soon be showing these wonderful gemstones in our unique Mardon Original Jewelry. John Dyer […]

EGL Graded Diamonds– Banned from Polygon and Rapnet

Saturday, September 20th, 2014

The Polygon Trading Network, an online buying/selling service for the diamond trade, announced the latest bombshell in the EGL Diamond Grading scandal. They will no longer list diamonds with European Gemological Laboratory International (EGL) reports. This follows in the wake of the decision by another trading network, RapNet, to ban all EGL report for it’s […]

Padparadscha or Not- What’s in a Name?

Wednesday, September 3rd, 2014

One of the problems we encounter in the gem trade is misrepresentation to add value to gems. As aficionados of fine gemstones and as members of the American Gem Society and the American Gem Trade Association, we believe it’s important to conduct our business by a strict code of ethics and to protect our customers from fraud and false advertising. […]

OOAK Benitoite & Platinum Engagement Ring–Strictly Custom

Tuesday, July 29th, 2014

Just back from the shop, this stunning Benitoite & platinum engagement ring was made to order for our client R. This young man truly went the extra mile to create this symbol of his love for his fiancé. Wanting something beautiful, exotic and rare, he chose Benitoite. Our California State Gemstone is all of that. One of the […]

The Creative Process in Us All

Friday, June 27th, 2014

The creative process is one of the things that makes us human. All of us have creative impulses and abilities. From the raw data of our senses and our life experiences, our minds build ideas based on thought, image, and emotion. We use these ideas in our daily life for such mundane things as everyday speech, […]

Rare Art Deco Pools of Light Necklace– with Stars!

Friday, June 20th, 2014

  We acquired this highly unusual Art Deco Pools of Light necklace almost by accident. We recently purchased an estate of wonderful early 20th century jewelry items, mostly rings and pins. This piece and another interesting rock crystal necklace were included in the group. Since they had no gold content, we didn’t think too much about […]

Custom Rings Show Mardon’s Expertise & Versatility

Wednesday, June 11th, 2014

These three recently completed custom rings show the versatility and craftsmanship of the experts at Mardon, in particular our gemologists, custom designers and hand engravers. The spectacular platinum custom ring shown above is set with a 2 carat natural ruby that we brokered to our clients. Gemstone brokering means that our gemologists find a gem that meets your […]

Consumer Alert– Cruise Ships, Low Quality Emeralds, Very High Prices- Update

Thursday, May 8th, 2014

UPDATE June 6, 2014 – A happy ending to the story below– 7 months after returning the emerald to the seller, the couple received their money back. A retired couple purchased this 1.89 carat natural emerald last December in Cartagena, Columbia while on a cruise thru the Caribbean. The emerald shop they bought from had been touted […]

Antique Yogo Sapphire Pin

Saturday, March 8th, 2014

A client inherited this gorgeous antique Yogo Sapphire pin and asked us to appraise it. Sapphires were known to occur in several areas of western Montana as early as 1865. For the most part, these deposits produced only moderately good sapphires. The discovery of sapphires in Yogo Creek was different. In 1895, famed gemologist G.F. […]

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