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Round|Lab Grown|IGI

3.74ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG644471813

Shape and cutting style on the report: Round brilliant

Certificate IGI LG644471813

Diamond specifications and retailer prices

From €360 EUR
$402 USD
As of October 31, 2026
Save €1,247 EUR (78%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €1,607 EUR at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.74ct lab-grown round diamond

This 3.74ct lab-grown round 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 LG644471813 or 644471813. Listed at 3 retailers as of October 31, 2026, with prices from €360 to €1,607, a €1,247 spread on the same certified stone. The Diamond Guys lists it at €1,607. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644471813
Dimensions10.04 × 10.00 × 6.08 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.04 mm10.00 mm3.74 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644471813
Side View
Table 59.0%Crown 34.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.7%

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 31
Current: €360 EUR|Low: €274 EUR|High: €2,748 EUR|Avg: €1,146 EUR|+31.4%
Retailer 1
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
The Diamond Guys
October 27, 2026
Retailer 1€360 EUR
Retailer 13€425 EUR
Retailer 7€426 EUR
Retailer 10€567 EUR
Retailer 11€655 EUR
Retailer 8€699 EUR
Retailer 9€735 EUR
Retailer 2€1,018 EUR
Retailer 12€1,077 EUR
Retailer 14€1,094 EUR
Retailer 5€1,214 EUR
The Diamond Guys€1,607 EUR
Retailer 3€2,047 EUR
Retailer 6€2,506 EUR
Retailer 4€2,748 EUR

8 data points across 15 retailers

3 retailers€360 EUR to €1,607 EUR

A
Cheapest Retailer
-
€360 EUR
$402 USD
Final sale: no returns
B+
Retailer 2
-
€1,214 EUR
CA$1,884 CAD
View
Most Expensive
B
The Diamond Guys
1954434263 · Nov 1
€1,607 EUR
$1,795 USD
View
2 more retailers have this diamond
Prices start from €360 EURSave up to €1,247 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 Round
€360 EUR