Loose Gem Blue Zircon

Zircon is a magnificent and underrated natural gemstone that has been worn and adored for centuries. The rainbow of colors and the stone’s double refraction of light makes antique and vintage zircon jewelry and watches especially versatile and attractive for wearers all over the world.

Imagine if you could capture the sky, encircle it with diamonds and hold it in your hand. The magic of blue zircon rings is like that, a piece of sky slipped onto your finger. It isn’t just its sumptuous cerulean blue, with a depth that seems to stretch into forever; or the fact that blue zircon changes color with the sun, growing lighter until it is placed again in darkness; or even that zircon in its many colors is itself nearly as old as the earth, if not the heavens, dating back 4.4 billion years on a planet that is 4.5 billion years old.

Rather, the real splendor of zircon jewelry — zircon rings, necklaces, earrings and other accessories — is its scintillation, its extraordinary sparkle, what Reshma Kothari of Diagem Imports, or DGI, calls its “brilliance and impressive fire, with flames of color that give off a lot of sparkle and shine — more so than other colored stones.” Indeed, notes jeweler Paolo Costagli, “because of its sparkly appearance, zircon lends itself to be worn as a single accessory. If you have a nice large zircon cocktail ring, you don’t need anything else.”

While blue zircons are the most frequently sought after, zircons stand out from most other gems in that, like diamonds, they can be found in several colors, from oranges and yellows to greens to pinks and reds. All except white zircons are lightly heat treated to create or enhance their colors, though nearly all are naturally pleochroic.

Keep in mind that for all its versatility and allure, zircon is not a stone best worn every day. The gem registers 7.5 on the Mohs hardness scale, which means that while harder than many other gemstones, it can chip more easily than rubies, sapphires and diamonds.

Find a collection of antique and vintage zircon jewelry and watches on 1stDibs.

Are you shopping for diamonds and other loose gemstones to create your own custom jewelry? 

Why might you purchase a diamond or gemstone “loose” — that is, on its own, not mounted in a piece of jewelry? Perhaps you’re a connoisseur looking to acquire a unique investment. The scarcity of high-quality colored diamonds, for instance, especially pink diamonds, means that their value increases over time; the same is true of rare Kashmir sapphires and Burmese rubies. Far rarer than diamonds, Paraiba tourmaline, discovered only in the 1980s, is treasured as much for its extraordinary color as its scarcity, both of which contribute to its high value.

A more common scenario would be that you’re hoping to create a very special piece of custom jewelry, such as an engagement ring or a milestone-birthday present, and want to personally select the most beautiful, unusual, or ultra-rare stone you can find and afford. Doing so adds to the romance and substance of the gift and can be a part of the story told as the jewel is passed from generation to generation.

If this sounds like you, read on for tips on becoming one of the world’s savviest gem hunters.

Educate yourself: When buying any piece of gem-set fine jewelry, you should familiarize yourself with the factors that determine a stone’s price. This will enable you to streamline your search for the perfect gem and have intelligent, productive conversations with sellers.

There is a wealth of information online, such as our diamond-buying guide and this overview of colored gemstones for engagement rings. The buying guides of the Gemological Institute of America (GIA), searchable by stone type, are also a widely trusted source for consumers venturing into the world of diamonds and gems for the first time.

Vet your vendor: If you peruse 1stDibs with any regularity, you know there is no shortage of vendors who deal in top-quality loose gemstones. (Read about our vetted sellers.) Finding a trustworthy, established dealer may be as easy as getting a recommendation from friends or family. And, although it may sound obvious, it pays to Google your candidates — and consult customer reviews — before making contact.

Harakh Mehta, designer and founder of the Mumbai, India–based fine-jewelry brand Harakh, has an innate understanding of proper client relations, especially when the customer is in unfamiliar territory. “Start chatting with the dealer, get to know them better," he says. "It’s very important to establish a comfort level. We never push a sale, as we want it to be a carefully considered purchase. So, if the client is not in a rush, we do it over a few virtual meetings or phone calls.”

Request documentation: The best dealers go to great lengths to furnish clients with documents verifying the quality rating, natural origin and provenance of a stone — showing, for example, that loose emerald hails from the famous Muzo mine in Colombia — and disclosing any treatments applied to enhance its appearance. (And who doesn't love emerald jewelry? The most valuable emeralds are the ones that have a deep bluish-green to true green color and no visible inclusions.)

If no grading report is available for a stone you are interested in, the dealer should be able to provide an authenticity document, such as an appraisal or info sheet, that has been signed by an in-house gemologist or professional appraiser. Google those names, too, for extra peace of mind.

Ask for videos and visuals: When transacting with a gem dealer online, you should always request real-time videos and photographs, since professional photos of a stone, usually on a white background, have likely been retouched for optimal presentation.

Read more about how to buy loose gemstones and find your dream gems today on 1stDibs.