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Radiant|Lab Grown|IGI

3.10ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG755518803

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG755518803

Diamond specifications and retailer prices

From $2,680 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $2,680 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 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG755518803 or 755518803. Listed at a single retailer as of November 2, 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

3.10
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG755518803
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
Culet sizePointed
Top View
10.37 mm7.13 mm3.10 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG755518803
Side View
Table 66.0%Crown 44.1°Girdle: MediumPavilion 35.5°Culet: NoneDepth 68.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $2,680 USD|Low: $236 USD|High: $3,010 USD|Avg: $1,129 USD|-11.0%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
June 15, 2026
Retailer 3$469 USD
Retailer 5$525 USD
Retailer 11$554 USD
Retailer 2$701 USD
Retailer 8$834 USD
Retailer 7$835 USD
Retailer 6$1,035 USD
Retailer 10$1,223 USD
Retailer 4$1,478 USD
Retailer 9$2,283 USD
Brilliant Earth$2,680 USD

68 data points across 11 retailers

1 retailer

B
Brilliant Earth
17049949A · Nov 2
$2,680 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
3.10ct Radiant
$2,680 USD