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Diamond Finder

Use our diamond search feature to find conflict-free natural loose diamonds of the highest quality. Browse thousands of options and use the filters to narrow down the selection by carat, cut, colour, clarity, shape and price.
Shape
Diamond Shape
What Is A Diamond Shape?

Shape refers to the geometric outline and overall physical form of a diamond. Every diamond shape has its own attributes and cut specifications, which also play a large factor in the overall look of the stone.

Round

Marquise

Princess

Heart

Pear

Oval

Emerald

Cushion

Asscher

Radiant

Emerald

Price
Min Price
Max Price
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.

Min Carat
Max Carat
Color
Diamond Color
  • K
  • J
  • I
  • H
  • G
  • F
  • E
  • D
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: CA "near-colorless" grade, 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.

K

J

I

H

G

F

E

D

Clarity
Diamond Clarity
  • I3
  • I1-I2
  • SI1-S12
  • VS1-VS2
  • VVS1-VVS2
  • FL-IF
I3: Included. Will likely have more obvious or distracting inclusions. Blue Nile does not carry I3 clarity diamonds.
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: CA "near-colorless" grade, 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.

SI2

SI1

VS2

VS1

VVS2

VVS1

IF

FL

Cut
Diamond Cut
  • Good
  • Very Good
  • Ideal
  • Astor 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: Very slightly less measurable fire or sparkle than an ideal cut diamond, at a more affordable price.
Ideal cut: Highest cut grade. Its proportions produce a beautiful balance of fire and sparkle in a diamond.
Astor by Blue Nile™ cut: Precise proportions, polish, and symmetry allows the diamond to reflect the most possible light. Less than 1% of the world's diamonds qualify.

Good

Very Good

Ideal

Astor Ideal

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Engagement Ring Settings

Search hundreds of engagement ring settings to find the perfect ring. Styles range from solitaire to vintage-inspired to everything in between, now including settings designed for Men’s Engagement. Start designing your own custom engagement ring with handcrafted ring settings built to last a lifetime.

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