Tanzanite Engagement Rings

For a special twist on tradition, consider a tanzanite engagement ring. Tanzanite, a rich blue variety of the mineral zoisite, was first discovered in Tanzania, Africa, in 1967, and its appeal is due in part to that exclusive origin: it is found no where else in the world. With a rich blue and purple hue, this exquisite stone is increasing in popularity for engagement rings. When combined with other accent stones such as diamonds, this gem is truly unique and makes a daring and luxurious engagement ring.

Tanzanite ring in a bezel setting.

Tanzanite Color

Because tanzanite is actually made up of several hues of color, it can be hard to grade. It is considered a three-color stone, and it should be inspected in various shades of light. Similar to a sapphire, a tanzanite's most desireable color is a deep shade of blue, often with a purplish hue around the edges. In fact, tanzanite is often used as a sapphire substitute.

The desirable, dark blue coloring can be difficult to find in smaller carat-weight stones, and tanzanite stones can be very difficult to match. If you would like to purchase a matching set of jewelry or a ring with multiple stones, it is probably best to do so from a local jeweler instead of the Internet. This way, you can inspect all of the stones to see how well they match.

Tanzanite Clarity

When you begin examining a tanzanite engagement ring for blemishes or inclusions, be sure you clean the stone first with a soft cloth. Tanzanite generally has the least amount of inclusions of many of the gemstones. The two major flaws are cracks and dark spots within the stone. Cracks could become a serious problem and cause the stone to break eventually, especially if it is subjected to stress or hard activity.

Tanzanite Cuts

Tanzanite can be very difficult to cut because the crystalline structure of the stone resists fracturing in most directions. A trilliant (also called trillium or trillion) cut is the most expensive type of tanzanite cut, with a round cut coming a close second. The trilliant is a triangle shape that features fifty-eight facets. No matter what shape you choose, you need to examine the stone for good proportion and symmetry. It is always better to purchase a loose stone first, so that you can examine all aspects of it, and after verifying its quality, an appropriate setting can be customized. Be sure you look at the stone in various lighting to get the best overall view.

Treatments

Tanzanite has a rich color.

The tanzanite you purchase will be a treated stone. It is rare to find a tanzanite with a true blue color that hasn't been treated, and you probably won't run across these in a local jewelry store. Tanzanite stones which haven't been heat treated are usually a gray, bronze, or brown color. The heat treatment (up to five hundred degrees Celcius) brings out the beautiful blue of the stone.

Imitations

Although you probably won't find many imitation tanzanite stones, there is another stone called lolite that resembles tanzanite. Because it is less expensive, however, you want to make sure you aren't sold a lolite as a tanzanite. Lolites are typically a light blue color, and when you look at them from the side, they appear almost colorless.

Pricing

The best color for a tanzanite is difficult to find in stones under two carats, and color will definitely affect the pricing of a stone. Smaller stones are generally lighter in color, and it can be difficult to find that deep blue hue in these sized stones. As you shop, remember to compare stones of equal shape to accurately judge different characteristics: stones with different shapes reflect light differently even though both may be of equal quality. Because of tanzanite's rarity and its propensity to fracture under more elaborate cuts, the gem is among the most expensive choices for engagement rings.

Caring for a Tanzanite Engagement Ring

Tanzanite is one of the softest gems, and should therefore be treated with extra care. Ultrasonic cleaning processes could irreparably damage the stone, while harsh chemicals can discolor, scratch, or otherwise harm the gem. The setting should be protective, and thin prongs are not recommended because they offer the least security and protection for the gem's fragile edges. Furthermore, tanzanite jewelry can be difficult to repair because the stones are suseptible to damage from torch heat and other repair processes. Always store tanzanite jewelry, including engagement rings, separately from other pieces to avoid rubbing and accidental damage. Because of the stone's rarity and value, it is vital to secure an appraisal and insurance for the ring in case it is lost or stolen.

With a rich blue hue and unequaled rarity, tanzanite engagement rings are truly unique and suitable for any bride-to-be who wishes to express her individuality while illustrating the precious nature of her relationship with her beloved. Though the rings require extra care and will naturally be more expensive, the costs are far outweighed by the benefits of such an exquisite ring.

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