Diamonds Education

It’s important to us that our customers know all the characteristics and attributes of a diamond before they make a purchase and this section is designed to give you a proficient understanding of what makes up one of the world’s most complex and beautiful stones.

  • Carat
  • Clarity
  • Cut
  • Color
  • Certification
  • Shape

Carat

The size of a diamond is proportional the carat weight of a diamond. Two thirds of the total carat weight can be lost when rough diamonds are cut and polished. Larger rough gems of high quality are found less frequently than smaller rough gems of high quality, therefore, a single two carat diamond will be more expensive than 2 one carat diamonds of the same quality.

Which Carat Weight is Right for You?

There is no one correct answer to this question. It depends on the circumstance. This depends entirely on budget and what the buyer desires. Weight does matter because it influences the value and cost heavily, but it is easier to focus on the diamond’s cut grade and diameter.

Clarity

Clarity is what separates one diamond from the next and truly makes a diamond unique. The presence or absence of impurities, blemishes and identifying characteristics go into assessing the clarity of a diamond. No two diamonds have inclusions in the same place. There are five major factors that go into assigning a clarity grade to a diamond.

 

Size:
The size of the inclusion within a diamond

 

Number:
How many inclusions exist within a diamond

 

Position:
Where the diamond’s inclusions are located. For example, an inclusion in the side facet of the diamond will not affect the clarity grade as much as inclusions under the table or “heart” of the diamond.

 

Nature:
How the inclusion affects the durability of the diamond.

 

Relief:
How visible an inclusion within a diamond is. A dark inclusion is easier to locate than a clear or white one and therefore may be judged more harshly in the clarity grade.

 

Clarity Grade
Major diamond laboratory GIA has a universal method to describe clarity grades of a diamond. Below are the five major clarity

 

Grades:

 

FL/IF Diamonds:
Flawless: No inclusions under 10x.

 

Internally Flawless:
None or only insignificant surface blemishes and no inclusions when examined under 10x. Normally most blemishes can be removed by minor polishing. These diamonds are very rare, beautiful and expensive.

 

VVS1/VVS2 Diamonds:
Very Very Slightly Included: Contain minute inclusions that are extremely difficult for an experienced grader to locate under 10x magnification. VVS diamonds are very rare and beautiful.

 

VS1/VS2 Diamonds:
Very Slightly Included: Contain minor inclusions that range from difficult to somewhat easy to see under 10x magnification. Typical VS inclusions are small crystals, feathers, or distinct clouds. In some rare cases, a VS stone can contain an eye visible inclusion. Excellent quality diamonds.

 

SI/SI2 Diamonds:
Slightly Included: Inclusions are easily visible under 10x magnifications to an experienced gemologist and may be visible with the unaided eye. A great value for money.

 

I1/I2/I3 Diamonds:
Included: Diamonds with significant inclusions. Best suited for use in diamond jewellery.

 

Which clarity grade to choose?

It’s important that the overall beauty and durability of the diamond is not effected by the inclusions in a diamond. The only way to be 100% sure that your diamond is completely clean of eye-visible inclusions is to stick with diamonds that are graded VS2 or higher. We understand that these are not within every customer’s price range so we recommend that shopping for SI quality diamonds can be a next best bet. These diamonds are rewarding but it’s best to have these diamonds reviewed by our expert gemologists to ensure that the diamond you receive does not have any inclusions visible to the naked eye.

Balancing the clarity grade of a diamond with the color can be rewarding. If you are looking at diamonds in the D-F color range focus on clarity grades of VS2 or higher. Diamonds in the G-I color range combined with SI clarity are excellent values.

Cut

A well-cut diamond should radiate and talk to the customer. The cut is often misunderstood as the shape of the diamond, but it is more about how it reflects light back to the viewer’s eye. Poorly cut stones are identifiable because they may appear to be lifeless or dark. A well cut diamond should appear radiant, fiery, illuminated, and almost ablaze. A poorly cut diamond, regardless of color or clarity, will not glow and reflect light the way a well-cut diamond will.

Color

When buying a diamond it is generally preferred to have the least amount of color possible. Color is again divided into five categories:

Colorless Diamonds: Diamonds with the colorless range are the rarest and most valuable out of all the colors. D/E color stones display virtually no color, whereas F colored diamonds will display a nearly undetected amount of color when viewed face down by a gemologist.

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Near Colorless Diamonds (G-J): Diamonds within the near colorless range appear colorless in the face up position, but do display a slight amount of color when viewed face down against a perfectly white background. This trace amount of color will be undetectable to an untrained eye once the diamond has been mounted. Near colorless diamonds offer a tremendous value for the money.

How Diamond Fluorescence affects a diamond

Fluorescence is measured as inert, faint, medium or strong. Blue fluorescence is the most common, however diamonds can also fluoresce white, yellow, and orange (among other colors). Fluorescence usually has no effect on a diamond’s appearance in regular light conditions. Strong blue fluorescence can make a yellow colored diamond appear more white, but in rare cases can cause a stone to appear milky or oily. The milky or oily effect is called an “over blue” and only applies to a small number of strong and very strong fluorescent stones.

How to choose a diamond color

A layperson will find it nearly impossible to tell the difference from one color grade to another. The difference in price, however, can be significant. Those with the budget to spend freely will always demand diamonds in the D-F range. However, selecting diamonds in the G-I ranger can give you tremendous value while still achieving a colorless look. J Diamonds are the most affordable to maximize your budget and still achieve near colorless looks. A diamond with a medium or strong fluorescence is also recommended. These diamonds are slightly discounted in price which allows you to purchase a higher color stone without paying the premium.

Certification

Shape

Each diamond shape possesses a unique quality and we are certain that Sarwani Diamonds will offer a diamond to satisfy all tastes.