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Oval|Lab Grown|IGI

3.74ct E SI2 Oval Lab Grown Diamond

ID • E/SI2 • IGI LG643423457

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG643423457

Diamond specifications and retailer prices

From $727 SGD
$567 USD
As of October 28, 2026
Save $5,092 SGD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,819 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.74ct lab-grown oval diamond

This 3.74ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG643423457 or 643423457. Listed at 13 retailers as of October 28, 2026, with prices from $727 to $5,819, a $5,092 spread on the same certified stone. Brilliant Earth lists it at $5,819. 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

3.74
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG643423457
Dimensions12.89 × 8.64 × 5.42 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.89 mm8.64 mm3.74 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG643423457
Side View
Table 60.0%Crown 35.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.7%

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 28
Current: $6,319 SGD|Low: $649 SGD|High: $6,568 SGD|Avg: $2,505 SGD
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 15$727 SGD
Retailer 6$805 SGD
Retailer 12$936 SGD
Retailer 9$1,181 SGD
Retailer 17$1,192 SGD
Retailer 16$1,300 SGD
Retailer 7$1,548 SGD
Retailer 2$1,715 SGD
Retailer 11$1,837 SGD
Retailer 3$2,076 SGD
Retailer 4$2,296 SGD
Retailer 5$2,335 SGD
Retailer 8$2,747 SGD
Retailer 14$3,307 SGD
Retailer 18$3,835 SGD
Retailer 13$3,876 SGD
Brilliant Earth$6,319 SGD
Retailer 10$6,568 SGD

10 data points across 18 retailers

13 retailers$727 SGD to $5,819 SGD

A
Cheapest Retailer
-
$727 SGD
$567 USD
A
Retailer 2
-
$805 SGD
$628 USD
View
A
Retailer 3
-
$936 SGD
$730 USD
View
B+
Retailer 4
-
$1,192 SGD
$930 USD
View
A
Retailer 5
-
$1,300 SGD
$1,014 USD
View
B+
Retailer 6
-
$1,715 SGD
£1,053 GBP
View
B+
Retailer 7
-
$1,837 SGD
£1,129 GBP
View
B+
Retailer 8
-
$2,076 SGD
$1,620 USD
View
B+
Retailer 9
-
$2,296 SGD
$1,792 USD
View
B+
Retailer 10
-
$2,335 SGD
$1,822 USD
View
B
Retailer 11
-
$3,835 SGD
$2,992 USD
View
B
Retailer 12
-
$3,876 SGD
£2,381 GBP
View
Most Expensive
B
Brilliant Earth
22300949A · Oct 29
$5,819 SGD
$4,540 USD
View
12 more retailers have this diamond
Prices start from $727 SGDSave up to $5,092 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
3.74ct Oval
$727 SGD