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Quick Ship Diamonds
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Quick Ship Diamonds
Shop loose diamonds that ship in 2 days or less. Delivery dates may change if you add your diamond to a setting.
Best Value
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Best Value
Shop loose diamonds in our inventory that we have identified as being Best Value. Best price and balance of the 4C's on the market.
Ritani Reserve Ritani Reserve
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Ritani Reserve
Ritani Reserve Diamonds are an exclusive selection of diamonds that have the best cut which offers maximum sparkle. They reflect the most light, maximum brilliance, fire, and scintillation.
Shape
Shape influences the personality and price of a diamond.
Price
Many factors impact diamond price. With Ritani's Diamond Price Match Guarantee you can be confident you'll get the best price for a diamond. Tip: Tradition tells you to budget 2-3 months' salary for your ring. We say, just do you.
Carat
Carat is the measure of a diamond's weight and size. We offer an array of high-quality diamonds ranging from 0.18 to 25.00 carats- with 1.00 carat being the most popular.
Color
A diamond’s color grade actually measures how little color it reflects. To strike the best balance between cost and beauty, go for diamonds in the Near Colorless range: G, H, and I.
Clarity
Clarity indicates how many flaws are visible to the naked eye. Too many flaws can detract from a diamond's beauty.
Cut
Cut is the quality of a diamond’s proportions and symmetry. The better a diamond’s proportions and symmetry, the more sparkle it will produce. Cut is the most important of the 4 Cs.
Delivery Date
In a rush to get your diamond? Choose your ideal delivery date.
Type
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Polish
A well-polished diamond will have excellent light return.
Girdle Thickness
The girdle is the outer edge of the diamond, where the crown top meets the pavilion bottom.
Fluorescence
Some diamonds glow blue or green when exposed to UV light. Since fluorescence is rarely visible, it has minimal impact on the appearance of your diamond. To save money, go for medium fluorescence.
Price Per Carat
Crown Angle
Pavilion Angle
Width (mm)
Height (mm)
Length (mm)
Depth %
Depth percentage correlates with a diamond's sparkle factor. It is measured by dividing the diamond height by its diameter. For maximum sparkle, the depth percentage of a round diamond should be between 54% and 66%.
Length/Width Ratio
The proportional relationship between your diamond’s length and width. A perfect round diamond would measure equally 1-to-1, so its LxW ratio would measure as 1.
Symmetry
Symmetry tells you how well a diamond’s facets align to create sparkle. Diamonds with perfect symmetry create the most sparkle and earn a grade of Excellent or Ideal.
Table
Table percentage tells you how big a diamond’s topmost facet (aka table) is in comparison to its diameter (aka girdle). When that ratio is in the right range, a diamond will sparkle more.
Culet
The culet is the point at the bottom of the diamond. If the point has a facet on it, it can stop light from reflecting and detract from the diamond's sparkle. Choose a diamond with no culet for optimum sparkle.
Certificate
All of Ritani’s natural diamonds are certified by either the GIA or AGSL, the industry’s two most respected grading labs.
Polish
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A well-polished diamond will have excellent light return.
Excellent
Very Good
Good
Girdle Thickness
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The girdle is the outer edge of the diamond, where the crown top meets the pavilion bottom.
Ext. Thin
Very Thin
Thin
Medium
Sli. Thick
Thick
Very Thick
Ext. Thick
Fluorescence
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Some diamonds glow blue or green when exposed to UV light. Since fluorescence is rarely visible, it has minimal impact on the appearance of your diamond. To save money, go for medium fluorescence.
None
Faint
Medium
Strong
Very Strong
Price Per Carat
Crown Angle
Pavilion Angle
Width (mm)
Height (mm)
Length (mm)
Depth %
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Depth percentage correlates with a diamond's sparkle factor. It is measured by dividing the diamond height by its diameter. For maximum sparkle, the depth percentage of a round diamond should be between 54% and 66%.
Length/Width Ratio
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The proportional relationship between your diamond’s length and width. A perfect round diamond would measure equally 1-to-1, so its LxW ratio would measure as 1.
Symmetry
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Symmetry tells you how well a diamond’s facets align to create sparkle. Diamonds with perfect symmetry create the most sparkle and earn a grade of Excellent or Ideal.
Excellent
Very Good
Good
Table
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Table percentage tells you how big a diamond’s topmost facet (aka table) is in comparison to its diameter (aka girdle). When that ratio is in the right range, a diamond will sparkle more.
Culet
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The culet is the point at the bottom of the diamond. If the point has a facet on it, it can stop light from reflecting and detract from the diamond's sparkle. Choose a diamond with no culet for optimum sparkle.
None
Very Small
Small
Medium
Slightly Large
Large
Certificate
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All of Ritani’s natural diamonds are certified by either the GIA or AGSL, the industry’s two most respected grading labs.
Lab Diamond Growth Process
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Lab diamonds are made using two processes, HPHT and CVD. Both mimic the natural process of earth diamonds. LEARN ABOUT LAB DIAMONDS

Quick Ship Diamonds
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Quick Ship Diamonds
Shop loose diamonds that ship in 2 days or less. Delivery dates may change if you add your diamond to a setting.
Best Value
Tool Tip Icon
Best Value
Shop loose diamonds in our inventory that we have identified as being Best Value. Best price and balance of the 4C's on the market.
Ritani Reserve Ritani Reserve
Tool Tip Icon
Ritani Reserve
Ritani Reserve Diamonds are an exclusive selection of diamonds that have the best cut which offers maximum sparkle. They reflect the most light, maximum brilliance, fire, and scintillation.
0.30 Carat Oval Lab Diamond
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Lab
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$113.00
0.3Carat
EColor
SI1Clarity
VGCut

0.33 Carat Oval Lab Diamond
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Lab
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$116.00
0.33Carat
FColor
SI1Clarity
VGCut

0.31 Carat Oval Lab Diamond
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Lab
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$117.00
0.31Carat
EColor
SI1Clarity
VGCut

0.31 Carat Oval Lab Diamond
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Lab
BEST VALUE
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$117.00
0.31Carat
EColor
SI1Clarity
VGCut

0.31 Carat Oval Lab Diamond
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$117.00
0.31Carat
EColor
SI1Clarity
VGCut

0.30 Carat Pear Lab Diamond
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$120.00
0.3Carat
GColor
VVS2Clarity
GoodCut

0.32 Carat Pear Lab Diamond
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$120.00
0.32Carat
GColor
VS1Clarity
GoodCut

0.32 Carat Oval Lab Diamond
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$120.00
0.32Carat
EColor
SI1Clarity
VGCut

GEMOLOGIST PICKS
These diamonds were hand picked by our in house gemologists who focus on balancing the 4 C's and best value pricing. Our gemologists are always here to help you find the diamond of your dreams. Chat Now
1.35 Carat Round Diamond
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Natural
BEST VALUE
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$5,928.00
1.35Carat
HColor
VS2Clarity
IdealCut

1.35 Carat Round Diamond
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Natural
BEST VALUE
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$5,928.00
1.35Carat
HColor
VS2Clarity
IdealCut

1.35 Carat Round Diamond
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Natural
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$5,928.00
1.35Carat
HColor
VS2Clarity
IdealCut

Chat with a gemologist
Did you know?
You can connect with a commission free gemologist instantly and receive a live diamond inspection on any diamond. You can also connect and shop together and compare up-to three diamonds at a time instantly. Try it out. Start your diamond concierge consultation today.
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0.32 Carat Oval Lab Diamond
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Lab
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$120.00
0.32Carat
EColor
SI1Clarity
VGCut

0.30 Carat Oval Lab Diamond
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Lab
BEST VALUE
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$121.00
0.3Carat
DColor
SI1Clarity
VGCut

0.30 Carat Oval Lab Diamond
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Lab
BEST VALUE
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$121.00
0.3Carat
DColor
SI1Clarity
VGCut

0.30 Carat Oval Lab Diamond
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Lab
BEST VALUE
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$121.00
0.3Carat
DColor
SI1Clarity
VGCut

0.30 Carat Oval Lab Diamond
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Lab
BEST VALUE
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$121.00
0.3Carat
DColor
SI1Clarity
VGCut

0.30 Carat Oval Lab Diamond
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Lab
BEST VALUE
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$121.00
0.3Carat
DColor
SI1Clarity
VGCut

0.30 Carat Oval Lab Diamond
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Lab
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$121.00
0.3Carat
DColor
SI1Clarity
VGCut

0.30 Carat Pear Lab Diamond
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Lab
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$121.00
0.3Carat
DColor
SI1Clarity
GoodCut

0.30 Carat Oval Lab Diamond
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Lab
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$121.00
0.3Carat
DColor
SI1Clarity
VGCut

0.30 Carat Oval Lab Diamond
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Lab
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$121.00
0.3Carat
DColor
SI1Clarity
VGCut

0.30 Carat Oval Lab Diamond
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Lab
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$121.00
0.3Carat
DColor
SI1Clarity
VGCut

0.30 Carat Oval Lab Diamond
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Lab
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$121.00
0.3Carat
DColor
SI1Clarity
VGCut

0.33 Carat Pear Lab Diamond
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Lab
BEST VALUE
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$124.00
0.33Carat
HColor
VVS2Clarity
VGCut

0.31 Carat Pear Lab Diamond
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Lab
BEST VALUE
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$124.00
0.31Carat
GColor
VVS2Clarity
GoodCut

0.33 Carat Pear Lab Diamond
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Lab
BEST VALUE
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$124.00
0.33Carat
HColor
VVS2Clarity
VGCut

0.33 Carat Oval Lab Diamond
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Lab
BEST VALUE
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$124.00
0.33Carat
EColor
SI1Clarity
VGCut

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Explore over 80,000 high quality certified earth diamonds and lab grown diamonds. With free virtual gemologist consultations, 360° videos, real HD imagery, and a diamond price match guarantee, we give you all the tools you need to select the perfect diamond within your budget.