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Round|Lab Grown|IGI

4.26ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG598322629

Shape and cutting style on the report: Round brilliant

Certificate IGI LG598322629

Diamond specifications and retailer prices

From $2,870 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $2,870 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 4.26ct lab-grown round diamond

This 4.26ct lab-grown round 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 LG598322629 or 598322629. 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

4.26
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598322629
Dimensions10.52 × 10.46 × 6.39 mm
L/W Ratio1.01
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
10.52 mm10.46 mm4.26 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598322629
Side View
Table 57.0%Crown 33.8°Girdle: THN-MEDPavilion 41.1°Culet: NoneDepth 60.9%

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: $2,870 USD|Low: $433 USD|High: $5,640 USD|Avg: $1,820 USD|-8.9%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
July 8, 2026
Retailer 6$433 USD
Retailer 2$725 USD
Retailer 5$770 USD
Retailer 7$991 USD
Retailer 10$1,250 USD
Retailer 4$1,491 USD
Retailer 8$1,954 USD
Retailer 9$2,084 USD
Retailer 3$2,197 USD
Retailer 11$2,372 USD
Brilliant Earth$2,870 USD

69 data points across 11 retailers

1 retailer

B
Brilliant Earth
10792579A · Nov 2
$2,870 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
4.26ct Round
$2,870 USD