Gem diamonds

Diamond color is a Fancy Colored Diamond’s most significant characteristic. In fact, unlike a colorless diamond where the 4C's (carat weight, clarity, color, and cut) are all equally important to the overall value, the color characteristic plays the most important role in the value of the diamond.

Guide to Precious Metals | What is White Gold, Yellow Gold, Rose Gold, Platinum, Palladium, Silver, Rhodium | by Corey Egan

You might think that colourless diamonds are the most expensive and sought after stones available on the market, but some coloured diamonds are much more expensive and even harder to find. Such is the case with blue diamonds which are beyond the reach of most of our budgets. Let's take a detailed look and find out how to choose a blue diamond.

Before... After - The 2.44-carat rough “Silver Moon Diamond” was found by Melissa and Kenny Oliver of Rosston, Arkansas, in March 2011 on a Sunday during a full moon. The diamond was cut into a 1.06-carat F/VVS2 pear-shape gem. #Arkansas #CraterOfDiamondsStatePark #RoughDiamond #SilverMoonDiamond

یک برش خوب الماس درخشندگی را که از قلب و درون الماس می ترواد را منعکس می کند. قبل از هر چیز، یادآوری کنیم که نوع برش الماس با شکل الماس متفاوت است.

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Diamond Shapes Cushion Cut: A square or rectangular cut with rounded corners and 58 brilliant style facets that resembles a pillow shape. Older antique cushions return light in blocky patterns while newer cuts return light in needle-like patterns. Half-Moon :...

Considering something other than a diamond engagement ring? Here's what you need to know about gem center stones.

Herkimer diamond is a generic name for a double-terminated quartz crystal discovered within exposed outcrops of dolostone (a type of Pegmatite). This diamond is a double-terminated quartz from Herkimer, NY. size - 19mm x 17mm x 14mm weight - 30.045 carats origin - Herkimer, NY USA These crystals extremely HARD. They can be found clear, cloudy, smoky or even containing a variety of rare impurities. Impurities (rare and general) can include clusters, scepters, enhydro (properly called fluid…

Petra Diamonds has unearthed a 425.10-carat white diamond at its Cullinan mine in South Africa, it said Friday. The D-color, type II, gem-quality stone comes from the same mine that produced the 3,106-carat Cullinan diamond in 1905, the largest gem-quality diamond ever recovered. The...