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Round|Lab Grown|IGI

8.11ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG770635422

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770635422

Diamond specifications and retailer prices

From $1,304 USD
£1,027 GBP
As of November 1, 2026
Save $2,377 USD (65%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,680 USD at MOH London · As of October 27, 2026
View at MOH London

About this 8.11ct lab-grown round diamond

This 8.11ct 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 LG770635422 or 770635422. Listed at 9 retailers as of October 27, 2026, with prices from $1,304 to $3,680, a $2,377 spread on the same certified stone. MOH London lists it at $3,680. 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

8.11
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770635422
Dimensions12.97 × 12.89 × 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
12.97 mm12.89 mm8.11 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770635422
Side View
Table 57.0%Crown 34.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.3%

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 1
Current: $3,680 USD|Low: $1,233 USD|High: $4,200 USD|Avg: $2,161 USD|-12.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7$1,233 USD
Retailer 3$1,304 USD
Retailer 5$1,568 USD
Retailer 2$1,699 USD
Retailer 6$1,709 USD
Retailer 4$3,423 USD
MOH London$3,680 USD

27 data points across 7 retailers

9 retailers$1,304 USD to $3,680 USD

Retailer 1
-
$908 USD
Price last confirmed 25 days ago
Retailer 2
-
$1,029 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$1,098 USD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$1,304 USD
£1,027 GBP
View
B+
Retailer 5
-
$1,568 USD
View
A
Retailer 6
-
$1,699 USD
£1,338 GBP
View
Retailer 7
-
$3,086 USD
View
Price last confirmed 25 days ago
B
Retailer 8
-
$3,423 USD
View
Most Expensive
B
MOH London
LG770635422 · Oct 27
$3,680 USD
£2,898 GBP
View
8 more retailers have this diamond
Prices start from $1,304 USDSave up to $2,377 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
8.11ct Round
$1,304 USD