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Certified Diamonds
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Diamonds
Best-performing diamonds appear first.
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Diamonds
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Diamonds
RH Ideal
Super Ideal Cut
RH Ideal
RH Ideal
Super Ideal Cut
We are proud to provide $[selectedDiamond.lab] Certified Center Diamonds.
$[selectedDiamond.lab] Represents the Highest Standard of Diamond Grading.
Diamond SKU: $[selectedSingleDiamond.sku]
Official Authentication
Report Number: $[selectedSingleDiamond.gia_report_num]
Performance Score
"Performs better than $[selectedSingleDiamond.rosi_score]% of stones with similar specs. The $[selectedSingleDiamond.clarity] clarity ensures the stone is perfectly eye-clean, offering exceptional value."
Visible Surface Area
Face-Up Size reflects the diamond's measured diameter — showing how much surface area is visible when viewed from above. Based on its proportions, this diamond presents a face-up size comparable to a $[selectedSingleDiamond.visual_carat] carat stone.
Learn why our diamond prices are unbeatable.
The ROSI™ AI Score evaluates these specifications along with additional performance factors to determine the diamond’s overall beauty, balance, and value.
ROSI is RockHer's proprietary AI-driven evaluation engine — built to analyze diamonds at a depth most buyers never see. It measures and weights 30 distinct performance and value parameters, including optical behavior, structural proportions, grading factors, and real-time pricing efficiency. This diamond earns a ROSI score of $[selectedSingleDiamond.rosi_score] out of 100.
The carat is the unit of weight of a diamond. Carat is often confused with size even though it is actually a measure of weight. The visual below illustrates the actual millimeter footprint of this $[selectedSingleDiamond.visual_carat]ct diamond compared to a standard US Dime to give you a true real-world sense of scale.
The cut refers to the angles and proportions of a diamond. The cut of a diamond - its form and finish, its depth and width, the uniformity of the facets - determines its beauty. The skill with which a diamond is cut determines how well it reflects and refracts light.
Ideal
Excellent
Very Good
Good
Fair
A diamond's clarity refers to the presence of impurities on and within the stone. When a rough stone is extracted from carbon deep beneath the earth, tiny traces of natural elements are almost always trapped inside and are called inclusions.
FL
IF
VVS1
VVS2
VS1
VS2
SI1
SI2
Color is the natural color visible in a diamond and does not change over time. Colorless diamonds allow more light to pass through than a colored diamond, releasing more sparkle and fire. Acting as a prism, a diamond divides light into a spectrum of colors and reflects this light as colorful flashes called fire.
Every diamond we sell is accompanied by an original, independent grading report from the Gemological Institute of America (GIA) or the International Gemological Institute (IGI). This ensures that your diamond's 4Cs—Carat, Cut, Color, and Clarity—have been strictly evaluated by the world's most respected gemological laboratories.
View Official Report
The RockHer Difference
Each diamond is rigorously hand-selected and inspected by our in-house certified gemologists.
We check every single diamond under high-powered microscopes to ensure absolute clarity and purity.
Beyond AI, a real human expert physically verifies the true brilliance, fire, and light performance of your stone.
If your diamond doesn't meet our strict visual standards upon final inspection, you get a free upgrade.
Explore slightly larger or higher-grade alternatives hand-picked by our gemologists to maximize your ring's brilliance and value.
Celebrating thousands of 5-star experiences from clients who chose the bespoke path.
Read Our Stories
An A+ standing that reflects over 50 years of ethical business and transparency.
Verify Our Quality
Independent, third-party validation of our commitment to perfection in every detail.
See Why They Chose UsIn the traditional diamond industry, a single stone changes hands up to 7 times before reaching you—from miner to sightholder, to cutter, to wholesaler, to broker, and finally to the retailer.
We eliminate the middlemen by sourcing this $[selectedSingleDiamond.carat] carat diamond directly from the cutter. You are paying for the stone's carat weight, cut precision, and clarity—not the supply chain markups.
UNCOMPROMISED BRILLIANCE. ZERO MARKUPS.
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We’re sorry! The diamond you’re looking for is out of stock. Choose a different diamond from the options below or start over with your loose diamond search.
We’re sorry! The diamond you’re looking for is out of stock. Choose a different diamond from the options below or start over with your loose diamond search.
RH Ideal
Super Ideal Cut
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