Jewellry

The diamond is an atomic crystal whose carbon are held together in a strong and rigid lattice. diamond graphite This accounts for the diamond’s extreme hardness and resistance to deformation but the fact that the carbon atoms are not packed closely together means the diamond possesses a very high degree of thermal conductivity. The density …

At Diamond Karma we know how it feels when it’s time to sell your diamond jewelry online, without any knowledge of who you can trust to send your valuable diamond jewelry, and you have to search through so many online sites, just like looking for a needle in a haystack. So we have reviewed some …

How do i start to look for when i need to buy a diamond for my future wife within my certain budget? Diamond is so complex and can be easily misled. Most of us may not have a clue about diamonds at all. Most people may start by asking how much per carat? I used …

If you’ve never sold a diamond ring before — or you’ve never actually sold any of your jewelry before — you might be wondering why anyone would ever sell a diamond ring. After all, aren’t diamonds precious, brilliant stones that have a lot of worth and significance? The truth is that a lot of people …

Although selling a diamond ring may seem like a very quick and easy way to earn some money, like any other businesses, in order to be lucrative you will need to become more educated in the field. Unlike gold, diamonds do not have a quantifiable melt value, and diamond resale prices have no single objective …

An irradiated diamond is a natural diamond that has been exposed to a radiation treatment in order to turn the stone into a different color. Irradiated diamonds can be found in many different colors including, blue, green, pink, yellow and orange. Colored diamonds do occur naturally, however, they are more rare than white diamonds. This …

Turquoise hardness is #5 to #6 on Mohs scale, and generally fair to good in toughness. Sources are China, Iran, and the US. Turquoise is one of the world’s most ancient gems. Archaeological excavations revealed that Egyptian royalty wore turquoise jewelry as early as 5500 BC, and Chinese artisans were carving it more than 3,000 …

Topaz is #8 on the Mohs scale, and toughness is poor due to cleavage. Sources are Australia, Brazil, Madagascar, Mexico, Myanmar(Burma), Namibia, Nigeria, Pakistan, Sri Lanka, and United States. The topaz name came from Topazios, the old Greek name for an island in the Red Sea, now called Zabargad. The island never produced topaz, but …

Opal is ranked at #5 to #6.5 on Mohs scale and very poor to fair in toughness. Sources are Australia—black and white opal, Brazil—white opal, and Mexico—fire opal. Opal is the world’s most popular phenomenal gem. Many cultures have credited opal with supernatural origins and powers. Arabic legends say it falls from heaven in flashes …

Sapphire is usually #9 on Mohs scale, excellent in toughness, but with large fractures/inclusions, or some treatments, can be less durable. Sources are Australia, Cambodia, China, India (Kashmir), Kenya, Madagascar, Myanmar(Burma), Nigeria, Pakistan, Rwanda, Sri Lanka, Tanzania, Thailand, United States, Vietnam. India is a famous, historic source of fine blue sapphire, and production is now …