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Oval|Lab Grown|IGI

4.02ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG797665336

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG797665336

Diamond specifications and retailer prices

From $967 USD
As of October 29, 2026
Save $3,153 USD (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,120 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.02ct lab-grown oval diamond

This 4.02ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG797665336 or 797665336. Listed at 8 retailers as of October 29, 2026, with prices from $967 to $4,120, a $3,153 spread on the same certified stone. Brilliant Earth lists it at $4,120. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797665336
Dimensions12.34 × 9.12 × 5.38 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.34 mm9.12 mm4.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797665336
Side View
Table 55.0%Crown 36.6°Girdle: STK-THKPavilion 34°Culet: NoneDepth 59.0%

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: Oct 29
Current: $4,120 USD|Low: $931 USD|High: $4,120 USD|Avg: $1,666 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 8$967 USD
Retailer 6$1,002 USD
Retailer 2$1,003 USD
Retailer 5$1,046 USD
Retailer 4$1,377 USD
Retailer 7$1,393 USD
Retailer 9$2,430 USD
Retailer 3$2,714 USD
Brilliant Earth$4,120 USD

41 data points across 9 retailers

8 retailers$967 USD to $4,120 USD

A
Cheapest Retailer
-
$967 USD
B+
Retailer 2
-
$1,002 USD
View
A
Retailer 3
-
$1,003 USD
£789 GBP
View
B+
Retailer 4
-
$1,377 USD
A$2,118 AUD
View
B+
Retailer 5
-
$1,393 USD
View
Retailer 6
-
$2,430 USD
View
Price last confirmed 37 days ago
B
Retailer 7
-
$2,714 USD
£2,137 GBP
View
Most Expensive
B
Brilliant Earth
19658994A · Oct 29
$4,120 USD
View
7 more retailers have this diamond
Prices start from $967 USDSave up to $3,153 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 Oval
$967 USD