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Round|Lab Grown|IGI

4.02ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG770641250

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770641250

Diamond specifications and retailer prices

From $549 USD
As of October 29, 2026
Save $2,307 USD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,856 USD at MOH London · As of October 29, 2026
View at MOH London

About this 4.02ct lab-grown round diamond

This 4.02ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770641250 or 770641250. Listed at 16 retailers as of October 29, 2026, with prices from $549 to $2,856, a $2,307 spread on the same certified stone. MOH London lists it at $2,856. 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

4.02
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770641250
Dimensions10.24 × 10.17 × 6.31 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
10.24 mm10.17 mm4.02 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770641250
Side View
Table 55.0%Crown 34.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.7%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $2,856 USD|Low: $442 USD|High: $2,856 USD|Avg: $1,455 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 5$549 USD
Retailer 2$615 USD
Retailer 11$615 USD
Retailer 7$681 USD
Retailer 14$681 USD
Retailer 10$815 USD
Retailer 13$997 USD
Retailer 15$1,051 USD
Retailer 9$1,084 USD
Retailer 12$1,540 USD
Retailer 3$1,608 USD
Retailer 4$1,790 USD
Retailer 16$2,200 USD
Retailer 6$2,209 USD
Retailer 8$2,260 USD
MOH London$2,856 USD

34 data points across 16 retailers

16 retailers$549 USD to $2,856 USD

A
Cheapest Retailer
-
$549 USD
A
Retailer 2
-
$615 USD
View
Final sale: no returns
A
Retailer 3
-
$615 USD
View
Retailer 4
-
$681 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$681 USD
View
A
Retailer 6
-
$815 USD
View
A
Retailer 7
-
$997 USD
View
B+
Retailer 8
-
$1,051 USD
View
A
Retailer 9
-
$1,084 USD
€1,032 EUR
View
B+
Retailer 10
-
$1,540 USD
View
B+
Retailer 11
-
$1,608 USD
View
B+
Retailer 12
-
$1,790 USD
View
B+
Retailer 13
-
$2,200 USD
View
B+
Retailer 14
-
$2,209 USD
View
B+
Retailer 15
-
$2,260 USD
View
Most Expensive
B
MOH London
LG770641250 · Oct 29
$2,856 USD
£2,249 GBP
View
15 more retailers have this diamond
Prices start from $549 USDSave up to $2,307 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
4.02ct Round
$549 USD