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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 €508 EUR
$567 USD
As of October 28, 2026
Save €3,556 EUR (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €4,064 EUR 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 €508 to €4,064, a €3,556 spread on the same certified stone. Brilliant Earth lists it at €4,064. 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: €4,413 EUR|Low: €453 EUR|High: €4,587 EUR|Avg: €1,750 EUR
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€508 EUR
Retailer 6€562 EUR
Retailer 12€653 EUR
Retailer 9€825 EUR
Retailer 17€832 EUR
Retailer 16€908 EUR
Retailer 7€1,081 EUR
Retailer 2€1,197 EUR
Retailer 11€1,283 EUR
Retailer 3€1,450 EUR
Retailer 4€1,604 EUR
Retailer 5€1,631 EUR
Retailer 8€1,918 EUR
Retailer 14€2,309 EUR
Retailer 18€2,678 EUR
Retailer 13€2,707 EUR
Brilliant Earth€4,413 EUR
Retailer 10€4,587 EUR

10 data points across 18 retailers

13 retailers€508 EUR to €4,064 EUR

A
Cheapest Retailer
-
€508 EUR
$567 USD
A
Retailer 2
-
€562 EUR
$628 USD
View
A
Retailer 3
-
€653 EUR
$730 USD
View
B+
Retailer 4
-
€832 EUR
$930 USD
View
A
Retailer 5
-
€908 EUR
$1,014 USD
View
B+
Retailer 6
-
€1,197 EUR
£1,053 GBP
View
B+
Retailer 7
-
€1,283 EUR
£1,129 GBP
View
B+
Retailer 8
-
€1,450 EUR
$1,620 USD
View
B+
Retailer 9
-
€1,604 EUR
$1,792 USD
View
B+
Retailer 10
-
€1,631 EUR
$1,822 USD
View
B
Retailer 11
-
€2,678 EUR
$2,992 USD
View
B
Retailer 12
-
€2,707 EUR
£2,381 GBP
View
Most Expensive
B
Brilliant Earth
22300949A · Oct 29
€4,064 EUR
$4,540 USD
View
12 more retailers have this diamond
Prices start from €508 EURSave up to €3,556 EUR

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
€508 EUR