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A diamond certificate is an overall report of all the important characteristics of the diamond being examined by independent gemologist / laboratory.

The purpose of a certificate is to help a layman understand the complex diamond specification in a simpler format and able to compare the same with other qualities.

At DiamondsnDiamonds we follow a strict certification program as mentioned below.

Diamonds above 0.30 ct.wt. are certified by GIA/ IGI / HRD / EGL, any one of these internationally recognized independent laboratories. Multi stone jewellery is certified by our in-house GIA certified gemologist known as DiamondsnDiamonds certificate and if requested can also be certified by anyone of these independent Labs EGL / IGI / DGLA. Multi Stone Jewellery can only be certified by EGL / IGI / DGLA as other labs don't offer jewellery certification. This is a standard practice throughout the industry; in fact many jewellers don't provide any certificate for multi stone jewellery.

If you have any queries please feel to call us on 0800 048 0178 for more details.
Multi Stone Jewellery Certificate - Sample**
**This certificate images are sample of one of the lab out of possible labs. It may be other labs mentioned here which will have different format and design of certificate.
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Diamond Education -  Carat Weight
Home > Diamond Education > Carat Weight
Carat Weight Colour Clarity Cut Shape
A diamonds weight is represented in carats. One Diamond carat is divided into 100 points.” A 0.25 carat diamond is the same as a 25-points or 1/4 carat diamond.
Note that a 2-carat diamond does not appear to be twice the size of a 1-carat diamond when viewed from the top. When diamonds are mined, large gems are discovered much less frequently than small ones, which makes large diamonds much more valuable. Weight impacts the price most dramatically out of the various diamond characteristics.
This chart illustrates how diamonds of different carat weights look in size. Note that a 2-carat diamond does not appear to be twice the size of a 1-carat diamond when viewed from the top.
Diamond Relative Carat / Size Comparison
Note : Carat is measurement of WEIGHT, not SIZE and so the overall diameter (mm) could differ slighter larger or smaller even through the carat weight is correct.
Note: Image not to scale. Diamond pictures are shown for comparison purpose only.
Actual size can vary depending your screen resoltions, monitor size etc.
Diamond size is dependant on your budget and needs to be considered equally with the other characteristics of Colour, cut and clarity in order to purchase a quality diamond.
What Size Diamond Should I Buy?
First, determine your budget. One general rule of thumb when buying a diamond engagement ring is "two months salary." This is just a guideline, it's not carved in stone and your first consideration should be what you can comfortably afford.
Deciding on carat size is really about striking a balance between size and quality. If she prefers larger jewellery items, and you are working within a budget, you can still find a larger diamond of excellent quality gem by selecting one which is graded slightly lower in terms of color and clarity.
Remember that slender fingers make small diamonds look bigger. If she has small fingers, a 1-carat diamond will look proportionately large -- and an even larger stone may appear stunningly big!
Think about what sort of setting will hold the diamond. You'll have to be sure that the setting you choose is made to fit the carat weight of your diamond.
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