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Discover GIA and IGI certified conflict-free natural diamonds, perfect for your engagement ring, of the highest quality, using our exclusive search feature. Explore a wide selection of options and refine your choice using filters for shape, cut, colour, clarity, carat weigh and price. Create your engagement ring with our certified selection of natural diamonds, choosing the diamond that best suits your style and the perfect setting. Each diamond is presented with high-definition 360° details, allowing you to clearly admire every facet. If you're still undecided on which natural diamond to purchase, our diamond buying guide will be your invaluable ally in finding the perfect match.

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Shape

Diamond Shape

What Is A Diamond Shape?

Shape refers to the geometric outline and overall physical shape of a diamond. Each diamond shape has its own specific characteristics that play an important role in the overall appearance of the stone.

Round Princess Cushion Oval Radiant Pear Emerald Marquise Asscher Heart

Cut

Diamond Cut

Good
Very Good
Excellent
Ideal

Good cut: Quality at a lower price than a very good cut, still producing a beautiful diamond for the budget-minded.

Very Good cut: It gives the Diamond slightly less fire and brilliance than an ideally cut diamond, at a more affordable price.

Excellent cut: They shine with magnificent sparkle, fire and brilliance as almost all incoming light is reflected through their table.

Ideal cut: Highest cut grade. Its proportions produce a beautiful balance of fire and sparkle in a diamond.

Why 3EX Diamond

Good Very Good Excellent Ideal

Carat

Carat (ct.)

The international unit of weight, used for measuring diamonds and gemstones. 1 carat is equal to 200 milligrams, or 0.2 grams.

Color

Diamond Color

L color: L-color diamonds are considered to be in the "near colorless" range. This means that while there may be a slight tint of color, it's typically not very noticeable to the naked eye, especially when viewed in isolation.

K color: The first of the "faint" color grades, meaning color may be detectable to the naked eye. K-color diamonds can offer great value.

J color: The last of the "near-colorless" grades, color may be slightly detectable to unaided eye, particularly in fancy shapes/diamonds over 1-carat.

I color: Color may be only slightly detectable upon close examination. Exceptional value.

H color: This is considered within the "near-colorless" range. Color is only noticeable when compared to much higher color grades. Excellent value.

G color: The highest "near-colorless" grade. Color may be detectable when compared to much higher "colorless" grades. Excellent value.

F color: A "colorless" grade appreciated best set in platinum or white gold. Faint color detectable by a trained gemologist.

E color: A "colorless" grade appreciated best set in platinum or white gold. Traces of color difficult for even trained eye to detect.

D color: Highest, absolutely "colorless" grade, appreciated best set in platinum or white gold. Exceptionally rare.

Clarity

Diamond Clarity

I3
I1-I2
SI1-S12
VS1-VS2
VVS1-VVS2
IF

I3: The inclusions are very evident and can seriously compromise the appearance of the diamond.

I1: They include inclusions that are easily visible to the naked eye and can affect transparency and brilliance.

I2: The inclusions are very visible and significantly affect the brilliance and transparency.

SI1: Inclusions easily detectable at 10x but not with the naked eye.

S12: Diffuse inclusions, easily identifiable at 10x but not with the naked eye.

VS1: Inclusion very difficult to spot in 10x by an expert.

VS2: Inclusion difficult to spot in 10x by an expert.

VVS1-VVS2: Almost pure, extremely small and decentralized inclusion.

Flawless: Pure, no inclusions.

SI1
VS2
VS1
VVS2
VVS1
IF

Price

L/W ratio

Fluorescence

Diamond, subjected to ultraviolet (UV) light, has a luminous reaction. Usually, diamond emits blue light. This characteristic can be weak or strong and can slightly affect the appearance of the diamond.

None Faint Medium Strong

Polish

It refers to the quality of the smoothing and polishing of its surfaces. A good finish makes the diamond more brilliant and attractive by improving the way it reflects light.

Why 3EX Diamond

Good Very Good Excellent

Symmetry

The symmetry of a diamond's cut concerns the alignment and proportion of its facets. Good symmetry improves brilliance, while flaws such as misaligned facets can reduce the diamond's value.

Why 3EX Diamond

Good Very Good Excellent

Certification

IGI GIA

Advanced Filters

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How does it affect the economic value of natural diamond in relation to its 4Cs?

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Ideal

Excellent

Very Good

D To F

G To J

K To M

FL/IF and VVS1/VVS2

VS1/VS2 and SI1/SI2

I1/I2/I3

2 and above

1.5 ct To 1.99

0.5 ct To 1.49

Higher Price Range

Lower Price Range

The 5 Main Advantages Of Loose Diamonds

We are committed to offering our customers the highest quality diamonds. We source our diamonds from reliable suppliers around the world and carry out a thorough inspection of each diamond to ensure it meets our high quality standards.

Natural diamonds are formed over millions of years under extreme pressure and temperature, and no two natural diamonds are exactly alike.

Natural diamonds represent the strongest natural substance on Earth, ensuring exceptional durability and the ability to withstand daily wear and tear.

Natural diamonds have retained their value over time and are often considered a safe investment.

The natural diamond industry supports millions of jobs around the world. The mining, polishing and processing of natural diamonds provide employment.

Natural diamonds can hold deep emotional meaning for people, frequently being associated with special moments such as engagements, weddings and anniversaries.

Everything You Need To Know Before Buying A Natural Diamond

The 4Cs of diamonds

Certifications

Budget

Origin of diamonds

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