CaratHunter
Plans
Oval|Lab Grown|IGI

4.09ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • IGI LG743506746

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG743506746

Diamond specifications and retailer prices

From $491 USD
As of October 29, 2026
Save $3,079 USD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,570 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.09ct lab-grown oval diamond

This 4.09ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG743506746 or 743506746. Listed at 16 retailers as of October 29, 2026, with prices from $491 to $3,570, a $3,079 spread on the same certified stone. Brilliant Earth lists it at $3,570. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.09
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743506746
Dimensions12.49 × 8.80 × 5.58 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.49 mm8.80 mm4.09 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743506746
Side View
Table 63.0%Crown 41.1°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 63.4%

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: $3,570 USD|Low: $471 USD|High: $3,570 USD|Avg: $1,129 USD
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 12$491 USD
Retailer 2$510 USD
Retailer 6$549 USD
Retailer 3$609 USD
Retailer 13$609 USD
Retailer 11$920 USD
Retailer 14$948 USD
Retailer 9$962 USD
Retailer 7$1,012 USD
Retailer 5$1,020 USD
Retailer 10$1,423 USD
Retailer 4$1,601 USD
Retailer 8$2,545 USD
Brilliant Earth$3,570 USD

43 data points across 14 retailers

16 retailers$491 USD to $3,570 USD

A
Cheapest Retailer
-
$491 USD
A
Retailer 2
-
$510 USD
£401 GBP
View
A
Retailer 3
-
$549 USD
View
Final sale: no returns
Retailer 4
-
$609 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$609 USD
View
A
Retailer 6
-
$920 USD
View
B+
Retailer 7
-
$948 USD
View
A
Retailer 8
-
$1,012 USD
£797 GBP
View
B+
Retailer 9
-
$1,020 USD
View
B+
Retailer 10
-
$1,423 USD
View
B+
Retailer 11
-
$1,425 USD
View
B
Retailer 12
-
$1,601 USD
View
B
Retailer 13
-
$1,985 USD
View
B
Retailer 14
-
$2,024 USD
View
B
Retailer 15
-
$2,545 USD
£2,004 GBP
View
Most Expensive
B
Brilliant Earth
19351468A · Oct 29
$3,570 USD
View
15 more retailers have this diamond
Prices start from $491 USDSave up to $3,079 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
4.09ct Oval
$491 USD