CaratHunter
Plans
Oval|Lab Grown|IGI

4.05ct E SI2 Oval Lab Grown Diamond

VG • E/SI2 • IGI LG839647951

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839647951

Diamond specifications and retailer prices

From $793 SGD
£488 GBP
As of October 27, 2026
Save $3,643 SGD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,436 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.05ct lab-grown oval diamond

This 4.05ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG839647951 or 839647951. Listed at 10 retailers as of October 27, 2026, with prices from $793 to $4,436, a $3,643 spread on the same certified stone. Brilliant Earth lists it at $4,436. 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

4.05
Carat
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839647951
Dimensions12.44 × 8.87 × 5.77 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
12.44 mm8.87 mm4.05 ctE / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839647951
Side View
Table 59.0%Crown 33.5°Girdle: STK-THKPavilion 42°Culet: NoneDepth 65.1%

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 27
Current: $4,436 SGD|Low: $791 SGD|High: $6,341 SGD|Avg: $3,053 SGD|-30.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$793 SGD
Retailer 10$827 SGD
Retailer 9$998 SGD
Retailer 6$1,411 SGD
Retailer 5$1,423 SGD
Retailer 4$2,060 SGD
Retailer 7$2,274 SGD
Retailer 3$2,814 SGD
Retailer 11$2,900 SGD
Retailer 12$3,484 SGD
Retailer 8$3,984 SGD
Brilliant Earth$4,436 SGD

27 data points across 12 retailers

10 retailers$793 SGD to $4,436 SGD

A
Cheapest Retailer
-
$793 SGD
£488 GBP
A
Retailer 2
-
$998 SGD
HK$6,100 HKD
View
B+
Retailer 3
-
$1,411 SGD
$1,104 USD
View
B+
Retailer 4
-
$1,423 SGD
£877 GBP
View
B
Retailer 5
-
$2,060 SGD
$1,611 USD
View
B+
Retailer 6
-
$2,274 SGD
$1,779 USD
View
B
Retailer 7
-
$2,900 SGD
View
Retailer 8
-
$3,484 SGD
$2,725 USD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$3,984 SGD
£2,454 GBP
View
Most Expensive
B
Brilliant Earth
21808562A · Oct 30
$4,436 SGD
$3,470 USD
View
9 more retailers have this diamond
Prices start from $793 SGDSave up to $3,643 SGD

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
4.05ct Oval
$793 SGD