From the moment he held in his hand a cut crystal given to him by his brother, Glenn Lehrer was inspired, fascinated by the idea of carving stones. With no established tradition to follow here in the United States, Glenn simply picked up a tool and dug in, testing the possibilities and experimenting with various methods for carving and shaping stones. The result? An impressive succession of breathtaking examples of the lapidary arts—many of which have found homes in museums and galleries.
Glenn's latest creation, the TorusRing™ gemstone cut explodes the familiar model of the "expected" gem cut. Inspired by the torus, one of nature's most prevalent forms, this cut itself creates a torus—and just what is a torus? The torus is a geometric form that appears throughout nature—picture in your mind’s eye:
A galaxy as viewed from the Hubble telescope,
or a hurricane on Earth as viewed from space,
or the water in a whirlpool,
or the brilliant iris of your own eye.
And, just this morning, caught behind a red traffic signal, look what was right in front of me:
So prevalent is this form that even manufacturers mimic it. All of these are torus forms; none of them, however, can be held in your hand like the Lehrer TorusRing™ gemstone.
Each TorusRing™ gemstone is hand-cut and hand-faceted to draw light from outside the stone and capture it within, endlessly multiplying, flowing from curved facet to curved facet. This unique cut takes about five times longer to create than a traditional round brilliant and features not only the "eye" at its center—a white diamond bezel-set in gold—but an inverted, faceted cone painstakingly carved into the back of the stone.
Also, don't miss the exclusive-to-Rio TorusRing mountings made especially for the gemstones. The gemstones and mountings will inspire your most cutting-edge designs, you’ll see! (and we’d love to see, too, when you finish yours!)
Come On the Road with Rio’s very own Amy Dalness who recently visited the Gem and Mineral Collection at the Smithsonian in Washington D.C.!...Read the Rest
Did the stork arrive at your doorstep yet? You know, the mythical bird bringing the bouncing bundle of joy that is the 2013 Gems & Findings/Display & Packaging catalog? Okay, perhaps the latest Rio catalog is not your baby, but it surely is ours. After seven months of production, thousands of man (and woman!) hours, and hundreds of pots of coffee, the 2013 G&F/D&P catalog came into the world (and hot off the press) on June 20, 2012....Read the Rest
One question we’re often asked is where our gemstones come from, so I thought Rio Grande customers might like to know about an initiative we have been pursuing: buying gemstones from reputable firms and ensuring the production of those stones causes no human suffering. Here’s how we do it....Read the Rest
On The Studio today: We recently read that a diamond-grading lab reported getting over 600 synthetic diamonds without disclosure. You may or may not have heard something about this yourself but, either way, I urge you to read about it now. Diamonds are the life-blood for many jewelers, and any threat that the diamonds for sale in a store might be “fakes” could be a huge problem for everyone, be they a jeweler or a customer....Read the Rest
Happy Friday the 13th! Are you a superstitious sort? If so, you may want to acquaint yourself with a little bit of history about three famously cursed diamonds. After all, you never know when a TAINTED jewel may find its way to your bench…...Read the Rest
The supply of diamonds tends to be plentiful for small stones, but extremely tight on really big diamonds. Consider buying diamonds in off-target carat sizes to get more value! Our diamond experts are are always eager to help you find the best stone for your needs. Learn more about diamond demand & supply. . ....Read the Rest
Would you consider buying a 1 carat diamond without a certificate? Most folks wouldn’t. Consumers rely on the objectivity of a third-party gem lab to tell them the properties of the diamond they’re considering. So it is especially damaging to know that some diamond grading labs don’t do an ethical job when grading the diamonds. . ....Read the Rest
The Gemological Institute of America (GIA) regularly hosts a symposium in order to keep people who work in the gem trade up to date with new developments. We have returned, and are brimming with new information and ideas, and I thought I might give a report of the proceedings. . ....Read the Rest
Questions arise daily about the various scales we use in the jewelry business. Gold is weighed on a pennyweight or gram scale. Gems are weighed on a carat scale. Postage is weighed on an avoirdupois scale and pearls are sometimes weighed on a momme scale. Do you know if you are using an avoirdupois or a troy scale?...Read the Rest