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Round|Lab Grown|IGI

2.91ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG825667160

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825667160

Diamond specifications and retailer prices

From $1,213 USD
As of October 28, 2026
Save $10,697 USD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,910 USD at Brilliant Earth · As of October 29, 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825667160 or 825667160. Listed at 19 retailers as of October 28, 2026, with prices from $1,213 to $11,910, a $10,697 spread on the same certified stone. Brilliant Earth lists it at $11,910. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.91
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825667160
Dimensions9.17 × 9.09 × 5.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.17 mm9.09 mm2.91 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825667160
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $11,910 USD|Low: $1,430 USD|High: $11,930 USD|Avg: $3,846 USD|-0.2%
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
October 29, 2026
Retailer 10$1,430 USD
Retailer 9$1,823 USD
Retailer 2$1,899 USD
Retailer 3$2,002 USD
Retailer 4$2,508 USD
Retailer 12$3,212 USD
Retailer 8$3,320 USD
Retailer 6$3,989 USD
Retailer 7$4,292 USD
Retailer 11$4,308 USD
Retailer 5$4,392 USD
Retailer 13$5,925 USD
Brilliant Earth$11,910 USD

30 data points across 13 retailers

19 retailers$1,213 USD to $11,910 USD

Retailer 1
-
$1,083 USD
Price last confirmed 19 days ago
Retailer 2
-
$1,179 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,213 USD
View
Final sale: no returns
Retailer 4
-
$1,257 USD
View
Price last confirmed 12 days ago
Retailer 5
-
$1,430 USD
View
Price last confirmed 11 days ago
Retailer 6
-
$1,444 USD
View
Price last confirmed 32 days ago
Retailer 7
-
$1,823 USD
£1,436 GBP
View
Price last confirmed 12 days ago
A
Retailer 8
-
$1,899 USD
€1,809 EUR
View
Retailer 9
-
$2,002 USD
View
Price last confirmed 13 days ago
Retailer 10
-
$2,356 USD
View
Price last confirmed 20 days ago
Retailer 11
-
$2,508 USD
View
Price last confirmed 10 days ago
Retailer 12
-
$3,212 USD
ZAR 51,893 ZAR
View
Price last confirmed 14 days ago
B+
Retailer 13
-
$3,320 USD
View
B+
Retailer 14
-
$3,989 USD
SGD 5,391 SGD
View
B+
Retailer 15
-
$4,292 USD
View
Retailer 16
-
$4,308 USD
£3,392 GBP
View
Price last confirmed 14 days ago
Retailer 17
-
$4,392 USD
View
Price last confirmed 13 days ago
Retailer 18
-
$5,925 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
21433899A · Oct 29
$11,910 USD
View
18 more retailers have this diamond
Prices start from $1,213 USDSave up to $10,697 USD

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
$1,213 USD