Archive for the ‘Gemstones’ Category
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 […]
Tags: Emerald. Colombia, Zambia
Posted in Custom Jewelry, Estate Jewelry, Gemstone of the Month, Gemstones | Comments Off on Emerald Show Going On Now
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 […]
Posted in Custom Jewelry, Featured Post, Gem Industry News, Gemstones | Comments Off on Award Winning Gemcutters at Mardon
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 […]
Posted in Gem Industry News, Gemstones, Jewelry Facts, Jewelry Services, Uncategorized | Comments Off on EGL Graded Diamonds– Banned from Polygon and Rapnet
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. […]
Tags: AGL, AGS, Cornflower Blue, GIA, Gubelin, kashmir sapphire, Padparadscha, pigeon's blood ruby, pink sapphire
Posted in Custom Jewelry, Featured Post, Gemstone of the Month, Gemstones, Jewelry Facts | Comments Off on Padparadscha or Not- What’s in a Name?
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 […]
Tags: Benitoite, CAD jewelry design, Californian State Gemstone, Custom Jewelry, OOAK, Ottoman Design, platinum
Posted in Custom Jewelry, Featured Post, Gemstones, Jewelry Services | Comments Off on OOAK Benitoite & Platinum Engagement Ring–Strictly Custom
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, […]
Tags: CAD jewelry design, creative process, Custom Jewelry, moonstone, Oregon Sunstone
Posted in Custom Jewelry, Gemstones, Jewelry Services | Comments Off on The Creative Process in Us All
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 […]
Tags: Art Deco, crystal ball, Late Victorian jewelry, Pools of Light, silver
Posted in Estate Jewelry, Featured Post, Gemstones, Jewelry Facts | Comments Off on Rare Art Deco Pools of Light Necklace– with Stars!
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 […]
Tags: Art Deco ring, CAD jewelry design, Chatham Created Ruby, custom rings, fire agate, Gemstone Broker, hand engraving, Natural Ruby, platinum ring
Posted in Custom Jewelry, Featured Post, Gemstone of the Month, Gemstones, Jewelry Services | Comments Off on Custom Rings Show Mardon’s Expertise & Versatility
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 […]
Tags: Caribbean cruise, Cartagena, Chivor emerald, commercial emerald., Coz Altobelli
Posted in Featured Post, Gem Industry News, Gemstones, Jewelry Services | Comments Off on Consumer Alert– Cruise Ships, Low Quality Emeralds, Very High Prices- Update
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. […]
Tags: American Gem Society, antique jewelry appraisers, antique jewelry restoration, Edwardian jewelry, jewelry buyers, montana sapphire, Victorian Jewelry, yogo sapphire
Posted in Estate Jewelry, Gemstones, Jewelry Facts | Comments Off on Antique Yogo Sapphire Pin