gem indentification

The beautiful effects of opal rings are its rainbow like opalescence.  White precious opals have a beautiful play of color and are most well-known. Their color can go from pale cloudy yellow to transparent at its top quality. Precious black opals are black, dark gray-black, dark blue, dark green and gray black which are rarer than white opals.  Boulder opals occur as pebble rock which means the rock is the...

When considering your purchase of an antique engagement ring, there are four things to take into consideration-carat weight, color, clarity and cut. Carat is a measure of weight for a diamond. The European Cut diamond as compared to a Round Brilliant of the same millimeter size can weigh as much as 10-15% more because of cut.  (See the Cut paragraph for more details.) Most diamonds are under one carat and...

Colored Stone Cuts and Shapes Cutting (also know as Lapidary) is the process whereby a rough stone is turned into a gemstone. The process makes a gem assume a certain shape, bringing out its luster and color, enabling it to be set into jewelry. Unlike Diamonds, colored gems possess variable optical properties and are not cut to a uniform ideal. A well-cut colored gem exhibits even color, an acceptable number...

We at Gesner Estate Jewelry do not sell diamonds that have been color enhanced. On the rare occasion that we acquire a diamond that has been color enhanced, that clarity enhancement will be disclosed to the buyer. These articles are here to help educate potential buyers to make the best possible decision with their gemstone purchasing. Color Enhancements When colored gemstones are treated artificially, we say that they have been...