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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 $506 USD
As of October 27, 2026
Save $4,034 USD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,540 USD 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 27, 2026, with prices from $506 to $4,540, a $4,034 spread on the same certified stone. Brilliant Earth lists it at $4,540. 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
Color
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 27
Current: $4,930 USD|Low: $506 USD|High: $5,125 USD|Avg: $1,956 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 17$506 USD
Retailer 14$567 USD
Retailer 6$628 USD
Retailer 9$922 USD
Retailer 16$930 USD
Retailer 12$931 USD
Retailer 15$1,014 USD
Retailer 2$1,081 USD
Retailer 7$1,208 USD
Retailer 3$1,620 USD
Retailer 4$1,792 USD
Retailer 5$1,822 USD
Retailer 8$2,143 USD
Retailer 13$2,580 USD
Retailer 18$2,992 USD
Retailer 11$3,024 USD
Brilliant Earth$4,930 USD
Retailer 10$5,125 USD

9 data points across 18 retailers

13 retailers$506 USD to $4,540 USD

A
Cheapest Retailer
-
$506 USD
A
Retailer 2
-
$567 USD
View
A
Retailer 3
-
$628 USD
View
B+
Retailer 4
-
$930 USD
View
A
Retailer 5
-
$931 USD
£733 GBP
View
A
Retailer 6
-
$1,014 USD
View
A
Retailer 7
-
$1,081 USD
£851 GBP
View
B+
Retailer 8
-
$1,620 USD
View
B+
Retailer 9
-
$1,792 USD
View
B+
Retailer 10
-
$1,822 USD
View
B
Retailer 11
-
$2,992 USD
View
B
Retailer 12
-
$3,024 USD
£2,381 GBP
View
Most Expensive
B
Brilliant Earth
22300949A · Oct 29
$4,540 USD
View
12 more retailers have this diamond
Prices start from $506 USDSave up to $4,034 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
3.74ct Oval
$506 USD