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Round|Lab Grown|IGI

3.80ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG623479558

Shape and cutting style on the report: Round brilliant

Certificate IGI LG623479558

Diamond specifications and retailer prices

From €1,214 EUR
CA$1,883 CAD
As of October 30, 2026
Save €392 EUR (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €1,606 EUR at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.8ct lab-grown round diamond

This 3.8ct 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 LG623479558 or 623479558. Listed at 2 retailers as of October 30, 2026, with prices from €1,214 to €1,606, a €392 spread on the same certified stone. The Diamond Guys lists it at €1,606. 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

3.80
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623479558
Dimensions9.96 × 9.92 × 6.20 mm
L/W Ratio1.00
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
9.96 mm9.92 mm3.80 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623479558
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: €2,018 EUR|Low: €245 EUR|High: €4,637 EUR|Avg: €1,299 EUR|-4.3%
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€664 EUR
Retailer 7€740 EUR
Retailer 10€805 EUR
Retailer 2€823 EUR
Retailer 9€954 EUR
Retailer 6€977 EUR
Retailer 5€1,010 EUR
Retailer 8€1,214 EUR
Retailer 3€1,562 EUR
The Diamond Guys€1,606 EUR
Retailer 1€2,018 EUR
Retailer 11€2,542 EUR
Retailer 12€4,637 EUR

57 data points across 13 retailers

2 retailers€1,214 EUR to €1,606 EUR

B+
Cheapest Retailer
-
€1,214 EUR
CA$1,883 CAD
Most Expensive
B
The Diamond Guys
1954434355 · Nov 1
€1,606 EUR
$1,794 USD
View
1 more retailer has this diamond
Prices start from €1,214 EURSave up to €392 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+
3.80ct Round
€1,214 EUR