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Radiant|Lab Grown|IGI

8.09ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG600338327

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

Certificate IGI LG600338327

Diamond specifications and retailer prices

From $908 USD
As of November 2, 2026
Save $4,612 USD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,520 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 8.09ct lab-grown radiant diamond

This 8.09ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG600338327 or 600338327. Listed at 10 retailers as of October 31, 2026, with prices from $908 to $5,520, a $4,612 spread on the same certified stone. Brilliant Earth lists it at $5,520. 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

8.09
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600338327
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
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
10.37 mm7.13 mm8.09 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600338327
Side View
Table 63.0%Crown 45°Girdle: MED-STKPavilion 32.5°Culet: NoneDepth 66.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $5,520 USD|Low: $906 USD|High: $5,690 USD|Avg: $2,374 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 8$908 USD
Retailer 10$1,125 USD
Retailer 6$1,527 USD
Retailer 2$1,685 USD
Retailer 7$1,688 USD
Retailer 5$1,959 USD
Retailer 9$2,232 USD
Retailer 4$2,960 USD
Retailer 3$3,590 USD
Brilliant Earth$5,520 USD

31 data points across 10 retailers

10 retailers$908 USD to $5,520 USD

A
Cheapest Retailer
-
$908 USD
A
Retailer 2
-
$1,125 USD
View
Final sale: no returns
A
Retailer 3
-
$1,527 USD
View
B+
Retailer 4
-
$1,685 USD
View
B+
Retailer 5
-
$1,688 USD
View
Retailer 6
-
$1,959 USD
€1,866 EUR
View
Price last confirmed 10 days ago
B+
Retailer 7
-
$2,232 USD
View
B
Retailer 8
-
$2,960 USD
View
B
Retailer 9
-
$3,590 USD
£2,827 GBP
View
Most Expensive
B
Brilliant Earth
15304931A · Oct 31
$5,520 USD
View
9 more retailers have this diamond
Prices start from $908 USDSave up to $4,612 USD

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.

A
8.09ct Radiant
$908 USD