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Round|Lab Grown|IGI

8.20ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG640409311

Shape and cutting style on the report: Round brilliant

Certificate IGI LG640409311

Diamond specifications and retailer prices

From $2,657 USD
A$4,088 AUD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $2,657 USD at GemTrove
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 GemTrove

About this 8.2ct lab-grown round diamond

This 8.2ct lab-grown round sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG640409311 or 640409311. 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

8.20
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640409311
Dimensions12.95 × 12.87 × 7.92 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.95 mm12.87 mm8.20 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640409311
Side View
Table 59.0%Crown 35.5°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.3%

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: $2,657 USD|Low: $1,020 USD|High: $10,550 USD|Avg: $3,315 USD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 26, 2026
Retailer 8$1,020 USD
Retailer 4$1,920 USD
Retailer 5$2,033 USD
Retailer 11$2,090 USD
Retailer 6$2,275 USD
Retailer 7$2,335 USD
GemTrove$2,657 USD
Retailer 10$2,758 USD
Retailer 2$3,629 USD
Retailer 3$5,193 USD
Retailer 9$10,550 USD

3 data points across 11 retailers

1 retailer

B
GemTrove
GT-L-01239062-98 · Nov 2
$2,657 USD
A$4,088 AUD
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
8.20ct Round
$2,657 USD