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Cushion|Lab Grown|IGI

3.00ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG526268838

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG526268838

Diamond specifications and retailer prices

From $4,390 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: $4,390 USD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 3ct lab-grown cushion diamond

This 3ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG526268838 or 526268838. Listed at a single retailer as of November 6, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.00
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526268838
Dimensions9.18 × 7.58 × 4.99 mm
L/W Ratio1.21
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.18 mm7.58 mm3.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526268838
Side View
Table 59.5%Crown 34.1°Girdle: STK-THKPavilion 34.2°Culet: NoneDepth 65.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $4,390 USD|Low: $441 USD|High: $140,480 USD|Avg: $9,133 USD|-96.9%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 6
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Retailer 11
October 4, 2026
Retailer 2$441 USD
Retailer 5$790 USD
Retailer 8$971 USD
Retailer 4$1,036 USD
Retailer 7$1,139 USD
Retailer 10$1,261 USD
Retailer 11$1,436 USD
Retailer 9$2,120 USD
Retailer 3$2,163 USD
Retailer 6$2,331 USD
Brilliant Earth$4,390 USD

65 data points across 11 retailers

1 retailer

B
Brilliant Earth
19902863B · Nov 6
$4,390 USD
View

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
3.00ct Cushion
$4,390 USD