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Round|Lab Grown|IGI

4.02ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG607347278

Shape and cutting style on the report: Round brilliant

Certificate IGI LG607347278

Diamond specifications and retailer prices

From $931 USD
As of November 1, 2026
Save $1,825 USD (66%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,756 USD at MOH London · As of October 26, 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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG607347278 or 607347278. Listed at 8 retailers as of October 26, 2026, with prices from $931 to $2,756, a $1,825 spread on the same certified stone. MOH London lists it at $2,756. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.02
Carat
J
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607347278
Dimensions10.05 × 10.01 × 6.34 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeChipped
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Indications of post-growth treatment.
Top View
10.05 mm10.01 mm4.02 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607347278
Side View
Table 57.0%Crown 36.4°Girdle: ThickPavilion 40.6°Culet: CHIDepth 63.2%

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 1
Current: $2,756 USD|Low: $720 USD|High: $2,785 USD|Avg: $1,447 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 28, 2026
Retailer 9$720 USD
Retailer 8$888 USD
Retailer 4$931 USD
Retailer 5$932 USD
Retailer 6$1,031 USD
Retailer 2$1,312 USD
Retailer 7$2,259 USD
Retailer 3$2,315 USD
MOH London$2,756 USD

18 data points across 9 retailers

8 retailers$931 USD to $2,756 USD

B+
Cheapest Retailer
-
$931 USD
A
Retailer 2
-
$932 USD
View
A
Retailer 3
-
$1,031 USD
View
B+
Retailer 4
-
$1,312 USD
ZAR 21,193 ZAR
View
B
Retailer 5
-
$2,259 USD
View
Retailer 6
-
$2,315 USD
View
Price last confirmed 10 days ago
Retailer 7
-
$2,340 USD
View
Price last confirmed 28 days ago
Most Expensive
B
MOH London
LG607347278 · Oct 26
$2,756 USD
£2,170 GBP
View
7 more retailers have this diamond
Prices start from $931 USDSave up to $1,825 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
$931 USD