CaratHunter
Plans
Round|Lab Grown|IGI

3.81ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG634488326

Shape and cutting style on the report: Round brilliant

Certificate IGI LG634488326

Diamond specifications and retailer prices

From €1,192 EUR
CA$1,856 CAD
As of October 30, 2026
Save €385 EUR (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €1,576 EUR at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.81ct lab-grown round diamond

This 3.81ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG634488326 or 634488326. Listed at 2 retailers as of October 30, 2026, with prices from €1,192 to €1,576, a €385 spread on the same certified stone. The Diamond Guys lists it at €1,576. 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

3.81
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634488326
Dimensions10.09 × 10.02 × 6.11 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.09 mm10.02 mm3.81 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634488326
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €984 EUR|Low: €237 EUR|High: €3,495 EUR|Avg: €1,255 EUR|-9.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
August 3, 2026
Retailer 4€647 EUR
Retailer 6€697 EUR
Retailer 9€788 EUR
Retailer 11€797 EUR
Retailer 8€963 EUR
Retailer 5€976 EUR
Retailer 1€984 EUR
Retailer 7€1,192 EUR
Retailer 3€1,547 EUR
The Diamond Guys€1,576 EUR
Retailer 12€2,104 EUR
Retailer 10€2,461 EUR
Retailer 2€2,960 EUR

60 data points across 13 retailers

2 retailers€1,192 EUR to €1,576 EUR

B+
Cheapest Retailer
-
€1,192 EUR
CA$1,856 CAD
Most Expensive
B
The Diamond Guys
1954434349 · Nov 1
€1,576 EUR
$1,768 USD
View
1 more retailer has this diamond
Prices start from €1,192 EURSave up to €385 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.

B+
3.81ct Round
€1,192 EUR