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Oval|Lab Grown|IGI

4.06ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG818630572

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818630572

Diamond specifications and retailer prices

From $646 SGD
$505 USD
As of October 29, 2026
Save $5,772 SGD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,418 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.06ct lab-grown oval diamond

This 4.06ct 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 LG818630572 or 818630572. Listed at 17 retailers as of October 29, 2026, with prices from $646 to $6,418, a $5,772 spread on the same certified stone. Brilliant Earth lists it at $6,418. 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

4.06
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818630572
Dimensions12.54 × 8.91 × 5.55 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.54 mm8.91 mm4.06 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818630572
Side View
Table 59.0%Crown 38.3°Girdle: MED-THKPavilion 39.7°Culet: NoneDepth 62.3%

Caratlytics Score

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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: $6,418 SGD|Low: $467 SGD|High: $6,865 SGD|Avg: $1,928 SGD|-5.1%
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
October 31, 2026
Retailer 9$600 SGD
Retailer 11$646 SGD
Retailer 5$725 SGD
Retailer 8$895 SGD
Retailer 12$959 SGD
Retailer 2$1,115 SGD
Retailer 6$1,173 SGD
Retailer 4$1,782 SGD
Retailer 10$1,921 SGD
Retailer 3$2,338 SGD
Retailer 13$2,431 SGD
Retailer 7$2,640 SGD
Brilliant Earth$6,418 SGD

42 data points across 13 retailers

17 retailers$646 SGD to $6,418 SGD

Retailer 1
-
$584 SGD
$457 USD
Price last confirmed 32 days ago
Retailer 2
-
$600 SGD
£369 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
$646 SGD
$505 USD
View
Final sale: no returns
Retailer 4
-
$655 SGD
$512 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$715 SGD
$559 USD
View
Price last confirmed 31 days ago
Retailer 6
-
$715 SGD
$559 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
$895 SGD
$700 USD
View
B+
Retailer 8
-
$959 SGD
$750 USD
View
A
Retailer 9
-
$1,115 SGD
€831 EUR
View
A
Retailer 10
-
$1,173 SGD
£722 GBP
View
B+
Retailer 11
-
$1,782 SGD
$1,394 USD
View
B+
Retailer 12
-
$1,921 SGD
$1,503 USD
View
Retailer 13
-
$2,329 SGD
$1,822 USD
View
Price last confirmed 31 days ago
B+
Retailer 14
-
$2,338 SGD
$1,829 USD
View
B
Retailer 15
-
$2,431 SGD
$1,901 USD
View
B
Retailer 16
-
$2,640 SGD
£1,626 GBP
View
Most Expensive
B
Brilliant Earth
20906828A · Oct 29
$6,418 SGD
$5,020 USD
View
16 more retailers have this diamond
Prices start from $646 SGDSave up to $5,772 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
4.06ct Oval
$646 SGD