Oval|Lab Grown|IGI

4.02ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG804663225

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG804663225

Diamond specifications and retailer prices

From $464 USD
£365 GBP
As of October 30, 2026
Save $4,496 USD (91%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,960 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 LG804663225 or 804663225. Listed at 13 retailers as of October 29, 2026, with prices from $464 to $4,960, a $4,496 spread on the same certified stone. Brilliant Earth lists it at $4,960. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804663225
Dimensions12.57 × 8.97 × 5.48 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.57 mm8.97 mm4.02 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804663225
Side View
Table 60.0%Crown 36.8°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 61.1%

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 30
Current: $4,960 USD|Low: $462 USD|High: $5,320 USD|Avg: $1,606 USD|-5.9%
Brilliant Earth
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
October 30, 2026
Retailer 2$464 USD
Retailer 12$500 USD
Retailer 13$554 USD
Retailer 8$695 USD
Retailer 4$742 USD
Retailer 11$882 USD
Retailer 3$892 USD
Retailer 7$916 USD
Retailer 6$1,369 USD
Retailer 10$1,489 USD
Retailer 5$1,813 USD
Retailer 14$1,889 USD
Retailer 9$2,037 USD
Brilliant Earth$4,960 USD

42 data points across 14 retailers

13 retailers$464 USD to $4,960 USD

A
Cheapest Retailer
-
$464 USD
£365 GBP
A
Retailer 2
-
$500 USD
View
Final sale: no returns
Retailer 3
-
$554 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$695 USD
View
B+
Retailer 5
-
$742 USD
View
A
Retailer 6
-
$892 USD
View
A
Retailer 7
-
$916 USD
£721 GBP
View
B+
Retailer 8
-
$1,369 USD
View
B+
Retailer 9
-
$1,489 USD
View
B+
Retailer 10
-
$1,813 USD
View
B
Retailer 11
-
$1,889 USD
View
B
Retailer 12
-
$2,037 USD
£1,604 GBP
View
Most Expensive
B
Brilliant Earth
20518074A · Oct 29
$4,960 USD
View
12 more retailers have this diamond
Prices start from $464 USDSave up to $4,496 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
$464 USD