![]() Topaz is derived from the Sanskrit word for fire. We have many more colors, shapes and sizes available in Orange, Yellow-Orange and Red-Orange Zircons – please contact us if you don’t find what you are looking for in our online inventory. While topaz is generally plentiful and inexpensive, imperial, or precious, topaz is extremely rare and highly valued. Zircon is December’s birthstone, providing a lot of color choice for December birthdays! Natural Zircons are still available at a fraction of the price of most other gemstones, making them the last undervalued gem! Their refractive index (RI) is also very high ranging from 1.81 to 1.98 and they are durable with a hardness of 7-7.5 for ‘high’ zircons. That explains all those flashes of color when we look at these beautiful gems. Zircons have extremely high dispersion of 0.038, which is the optical property that splits light into its component colors. Many of them come out of the ground in attractive colors and don’t require any heat treatment (see product labelling on each gem). Notable sources for Orange, Yellow-Orange and Red-Orange Zircons are East Africa and Sri Lanka. Zircons (and possibly other gems) in the pinkish-purplish-reddish color range were historically referred to as “Hyacinth” or “Jacinth”. The name ‘Zircon’ derives from the Persian word ‘zargun’ meaning golden hued. They are not to be confused with Cubic Zirconia (CZ) which is a man-made substance. Orange, Yellow-Orange and Red-Orange Zircons come in a range of colors from honey to whiskey to cognac… Orange, Yellow-Orange & Red-Orange Zircon.Mint Tourmaline & Mint Chrome Tourmaline.Green-Yellow, Yellow, Orange & Brown Tourmaline.Bi-Color, Tri-Color & Multi-Color Tourmaline.Green, Blue-Green, Teal & Grey Sapphires.The Colorful Journey from Mine to Market.COLOR First, Size Second, Cut Third and Inclusions Fourth…!.As saturation decreases, a gem with cool hues can appear grayish, while a gem with warm hues can appear brownish. Thus, the most desirable gem varieties are those that exhibit strong saturation and an even color throughout.Īccording to the GIA saturation scale, there are six degrees of saturation, ranging from grayish or brownish to vivid. Gemstone color becomes less pure with lower saturation, and an additional gray or brown hue can be seen. ![]() Saturation is the intensity or purity of a color. The GIA tone scale has a total of 11 points, going from colorless to black. A pink gemstone, for instance, might be categorized as “light pink” or “medium pink”, while a green-colored gem can range from lime to deep forest green. ![]() Tone describes the relative lightness or darkness of a gem’s color. Discovered in the mid 1960s in Tanzanias Umba Valley, this red-orange to pink-orange variety of garnet was originally thought to be spessartite garnet. Gems with a single pure and vibrant hue tend to be the most highly valued. The Gemological Institute of America (GIA) has developed a list of 31 hues for describing gemstones, consisting of 7 base hues and 24 combination hues. It is usually made up of only one color, but it can also consist of a combination of hues, resulting in additional colors for precious stones, such as orange-red, yellow-orange, yellow-green, yellow-brown, green-blue, or violet-blue. Lighting is another essential factor since gem coloring and brilliance can vary depending on the light source. ![]() The three criteria experts look at are hue, tone, and saturation, which, combined, result in the colors we see. Price guidance on over 70 types of gemstones. But because gemstone jewelry comes in an assortment of shades, color grading can be very complex. Check out our gemstones list and discover a world of precious and semi-precious stones. Buyers’ Guide to Different Types of Wedding RingsĬolor is undoubtedly the most important criterion for evaluating and selecting gems. Ametrine, one of the rarest types of transparent quartz, combines two colors: amethysts purple and citrines orange-to-yellow.Ring Size Guide & Most Common Ring Size.
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