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Although sapphire typically refers to the rich blue gemstone variety of the mineral corundum, this royal gem actually occurs in a rainbow of hues. Sapphires come in every color except red, which earn the classification of rubies instead. Trace elements like iron, titanium, chromium, copper and magnesium give naturally colorless corundum a tint of blue, yellow, purple, orange or green, respectively. Sapphires in any color but blue are called “fancies.” Pink sapphires, in parti

FACTS Tourmaline is a type of colorful semi-precious stone which occurs naturally in various regions around the world. It was originally discovered in the early 18th century in Sri Lanka but since then large deposits have been found in a number of countries including Madagascar, Brazil, Afghanistan, Pakistan, and also in various African countries. Tourmaline’s colors have many different causes. It’s generally agreed that traces of iron, and possibly titanium, induce green and

Are you wondering how your ring got made ? Well, we think you might be interested to know a brief process of custom made process of your valuable jewelry. Step 1 : Design - The first step is to start with the design of your custom make jewelry. Jewelry designer will translate an idea of sketch to design. The final design is the result of close cooperation between designer and craftsman giving the art object a real hand crafted origin. The designer concept and drawings are use

The serenely colored aquamarine invokes the tranquility of its namesake, the sea. In fact, the name aquamarine is derived from the Latin word aqua, meaning water, and marina, meaning the sea Aquamarine is most often light in tone and ranges from greenish blue to blue-green; the color usually is more intense in larger stones, and darker blue stones are very valuable. Like emeralds, this gemstone is actually a variety of a mineral called beryl. Large stones have been found all

Emerald has many special qualities, but colored stone professionals generally agree that emeralds are, most of all, about color. Emerald has been the standard for green among colored stones for thousands of years. As with other colored stones, it requires a well-trained eye to recognize the sometimes subtle variations that make significant differences in emerald value. This is especially true in the higher qualities. Color The most desirable emerald colors are bluish green

Thailand has been known for a long decade as the world center in production and trading colored stones and also the most important market of gem corundums, particularly Ruby and Blue Sapphire – the most famous colored stones around the world. It has possessed high-level skill in gem cutting as well as enhancing the quality of colored stones with heat from the so-called “Heat Treatment of Gemstones” – the great wisdom of Thai gem and jewelry industry. Thailand’s cut stones hav

Gem-quality corundum, generally known as ruby and sapphire, is the second hardest gemstone following diamond. It is widely accepted in the gemstone market that gem-quality corundum is one of the most valuable precious stones that is available in a wide variety of color. Because a naturally occurring high-gem-quality corundum is rather rare or difficult to find in nature, a number of methods have been invented to improve quality of stones to the level that is preferable in t

The demographic structure in each period of time results in difference in values, attitudes and consumption behaviors. Consumers’ age and lifestyle are essential factors in determining their preferences in jewelry purchase in terms of designs, types of gemstones and materials, and pricing levels. Therefore, before marketing gem and jewelry products, entrepreneurs should clearly understand the target group in each market, as well as their consumption behaviors and characterist

Gem and jewelry has been among Thailand’s top ten export products for a long time. The product categories in which Thailand has high competitiveness in the global market are polished precious stones and gemset jewelry. Color Gemstones Industry Thailand is one of the world’s major centers of colored stone manufacturing and trading, and also the most important market of gem corundums, particularly Ruby and Blue Sapphire – the most famous colored stones around the world. Thailan