CaratHunter
Plans
Round|Lab Grown|IGI

2.91ct F SI2 Round Lab Grown Diamond

EX • F/SI2 • IGI LG629499970

Shape and cutting style on the report: Round brilliant

Certificate IGI LG629499970

Diamond specifications and retailer prices

From €321 EUR
$359 USD
As of October 29, 2026
Save €1,246 EUR (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,837 EUR at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG629499970 or 629499970. Listed at 15 retailers as of October 29, 2026, with a 388% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629499970
Dimensions9.26 × 9.20 × 5.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.26 mm9.20 mm2.91 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629499970
Side View
Table 62.0%Crown 33.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.2%

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 29
Current: €2,837 EUR|Low: €309 EUR|High: €2,837 EUR|Avg: €859 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
November 1, 2026
Retailer 15€321 EUR
Retailer 4€373 EUR
Retailer 5€399 EUR
Retailer 14€399 EUR
Retailer 8€590 EUR
Retailer 6€640 EUR
Retailer 9€662 EUR
Retailer 12€666 EUR
Retailer 7€677 EUR
Retailer 2€711 EUR
Retailer 10€1,170 EUR
Retailer 3€1,283 EUR
Retailer 11€1,455 EUR
Retailer 13€1,568 EUR
Brilliant Earth€2,837 EUR

42 data points across 15 retailers

15 retailers€321 EUR to €1,568 EUR

A
Cheapest Retailer
-
€321 EUR
$359 USD
A
Retailer 2
-
€373 EUR
$417 USD
View
A
Retailer 3
-
€399 EUR
$446 USD
View
A
Retailer 4
-
€399 EUR
$446 USD
View
A
Retailer 5
-
€590 EUR
£519 GBP
View
B+
Retailer 6
-
€640 EUR
$715 USD
View
A
Retailer 7
-
€662 EUR
A$1,138 AUD
View
A
Retailer 8
-
€677 EUR
$756 USD
View
A
Retailer 9
-
€711 EUR
£626 GBP
View
B+
Retailer 10
-
€801 EUR
$895 USD
View
B
Retailer 11
-
€1,170 EUR
$1,307 USD
View
B+
Retailer 12
-
€1,283 EUR
$1,433 USD
View
Retailer 13
-
€1,455 EUR
$1,625 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
€1,568 EUR
£1,379 GBP
View
Most Expensive
Brilliant Earth
15806241A · Oct 18
€2,837 EUR
$3,170 USD
View
Price last confirmed 13 days ago
14 more retailers have this diamond
Prices start from €321 EURSave up to €1,246 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
2.91ct Round
€321 EUR