Skip to content

Author Archives: james l. sweaney cga fga. gg

Emeralds-R-Us

To celebrate May Day, we just added this fine natural Colombian Emerald to our collection.  Now we just need a great design and a willing customer. Read more about A Fabulous Emerald

How Insured Jewelry is Replaced Really Matters

Beware of the pitfalls when you insure your jewelry—not all jewelry insurance policies are equal.  Begin with a good appraisal by a qualified appraiser, shop carefully, and ask the right questions. For a full discussion of these issues, read our latest Blog, Jewelry Insurance 101C

The big deal about blue diamonds

The recent buzz about the 7-carat Cullinan Blue diamond to be offered at the upcoming Sotheby auction in Geneva and the record setting sale of the Wittelsbach Blue by Christies in December 2008 has generated a lot of interest in colored diamonds. These ultra-rare Type IIb diamonds are truly distinctive– besides their blue color, they […]

Jewelers Note Fall Fashion Colors

From the AGTA Prism At Mardon, we absolutely love colored gems, and were pleased to see the fall colors forecast from Pantone. http://www.pantone.com/downloads/articles/pdfs/PANTONE_FCR_FALL09.pdf One of our jobs as jewelers is to show our clients how to use colored gems with their own particular look. See our latest Blog, http://www.mardonjewelers.com/blog/custom-jewelry/fashionista-alert

How much does jewelry insurance cost?

Many people mistakenly believe that jewelry insurance is really expensive or that their homeowners insurance covers their jewelry.  Most jewelry can be insured for 1 to 1.5% of replacement value per annum in most areas of the USA.  Homeowners policies leave a lot to be desired in the way of jewelry coverage, so we suggest […]

100% Recycled Gold

Mardon Jewelers has been an active gold recycler for many years.  Like many jewelers we purchase “old” gold from our clients and send it to our refiner for recycling.  See our Blog, Pharaoh’s Gold… We’re proud to announce our new relationship with the nation’s leading “green” refiner, Hoover & Strong, producers of 100% recycled precious […]

Why it’s so Important to Keep your Jewelry Clean!

There are many jewelry owners out there won’t don’t realize how important it is to clean and properly maintain their jewelry.   Without proper upkeep, precious stones and jewelry items can look worn or dull and become very difficult to clean if left untreated. For example, diamonds can attract carbon atoms from lotions and skin oils […]

The Impact of Enhancements on the Value of Gems

At a recent meeting of the Orange County GIA Alumni, I got the opportunity to hear Richard Drucker of Gemworld International speak on the topic of gem treatments disclosure and how treated gems are priced in the marketplace. Heavily treated gems are never to be considered top quality, and in general moderately enhanced gems are […]

What makes a True Padparadscha?

When I was a young gemologist, I fell in love….with Padparadscha.  Over my career I’ve had the privledge of seeing and working with many wonderful specimens of this amazing sapphire, and over the years my love has only grown. The recent sale of a very fine natural non-heated Padparadscha inspired me to write an explanation […]

Why You Shouldn’t Wear a Flawless Diamond

At Mardon Jewelers, we often get the opportunity to appraise and re-appraise diamonds for our customers. Recently, we re-appraised a beautiful diamond ring and had some unsettling news for our client.  Wearing a flawless diamond can devalue it!  I saw this as a great opportunity to educate our customers about the realities of diamond grading, […]