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Oval|Lab Grown|IGI

4.00ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG790603035

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG790603035

Diamond specifications and retailer prices

From $732 USD
As of October 29, 2026
Save $2,698 USD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,430 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4ct lab-grown oval diamond

This 4ct 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 LG790603035 or 790603035. Listed at 14 retailers as of October 29, 2026, with prices from $732 to $3,430, a $2,698 spread on the same certified stone. Brilliant Earth lists it at $3,430. 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

4.00
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790603035
Dimensions12.64 × 8.97 × 5.40 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.64 mm8.97 mm4.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790603035
Side View
Table 61.0%Crown 34.1°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 60.2%

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: $3,430 USD|Low: $703 USD|High: $13,890 USD|Avg: $1,660 USD|-3.1%
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 29, 2026
Retailer 11$732 USD
Retailer 7$762 USD
Retailer 4$796 USD
Retailer 3$849 USD
Retailer 12$849 USD
Retailer 8$1,025 USD
Retailer 5$1,187 USD
Retailer 2$1,363 USD
Retailer 13$1,377 USD
Retailer 6$1,453 USD
Retailer 10$2,091 USD
Retailer 14$2,387 USD
Retailer 9$3,339 USD
Brilliant Earth$3,430 USD

41 data points across 14 retailers

14 retailers$732 USD to $3,430 USD

A
Cheapest Retailer
-
$732 USD
A
Retailer 2
-
$762 USD
£600 GBP
View
A
Retailer 3
-
$796 USD
View
A
Retailer 4
-
$849 USD
View
Retailer 5
-
$849 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$1,025 USD
View
B+
Retailer 7
-
$1,187 USD
View
B+
Retailer 8
-
$1,363 USD
£1,073 GBP
View
B+
Retailer 9
-
$1,377 USD
View
B+
Retailer 10
-
$1,453 USD
View
B
Retailer 11
-
$2,091 USD
View
B
Retailer 12
-
$2,387 USD
View
B
Retailer 13
-
$3,339 USD
£2,629 GBP
View
Most Expensive
B
Brilliant Earth
18790897A · Oct 29
$3,430 USD
View
13 more retailers have this diamond
Prices start from $732 USDSave up to $2,698 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
4.00ct Oval
$732 USD