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Round|Lab Grown|IGI

2.91ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG624415928

Shape and cutting style on the report: Round brilliant

Certificate IGI LG624415928

Diamond specifications and retailer prices

From €992 EUR
CA$1,540 CAD
As of October 30, 2026
Save €321 EUR (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €1,313 EUR at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 2.91ct lab-grown round diamond

This 2.91ct lab-grown round sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG624415928 or 624415928. Listed at 2 retailers as of October 30, 2026, with prices from €992 to €1,313, a €321 spread on the same certified stone. The Diamond Guys lists it at €1,313. 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

2.91
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG624415928
Dimensions9.15 × 9.11 × 5.64 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
9.15 mm9.11 mm2.91 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG624415928
Side View
Table 56.0%Crown 34.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.7%

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: €892 EUR|Low: €203 EUR|High: €3,545 EUR|Avg: €1,196 EUR|-5.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
The Diamond Guys
August 3, 2026
Retailer 5€601 EUR
Retailer 8€689 EUR
Retailer 10€690 EUR
Retailer 7€816 EUR
Retailer 1€892 EUR
Retailer 3€972 EUR
Retailer 6€992 EUR
The Diamond Guys€1,313 EUR
Retailer 2€1,347 EUR
Retailer 9€2,086 EUR
Retailer 4€2,130 EUR

53 data points across 11 retailers

2 retailers€992 EUR to €1,313 EUR

B+
Cheapest Retailer
-
€992 EUR
CA$1,540 CAD
Most Expensive
B
The Diamond Guys
1954434461 · Nov 1
€1,313 EUR
$1,467 USD
View
1 more retailer has this diamond
Prices start from €992 EURSave up to €321 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+
2.91ct Round
€992 EUR