Emerald|Lab Grown|IGI

2.51ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG830623299

Shape and cutting style on the report: Emerald cut

Certificate IGI LG830623299

Diamond specifications and retailer prices

From $1,770 USD
As of October 31, 2026
Save $6,990 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,760 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.51ct lab-grown emerald diamond

This 2.51ct lab-grown emerald 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 LG830623299 or 830623299. Listed at 15 retailers as of October 31, 2026, with prices from $1,770 to $8,760, a $6,990 spread on the same certified stone. Brilliant Earth lists it at $8,760. 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

2.51
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830623299
Dimensions9.45 × 6.26 × 4.15 mm
L/W Ratio1.51
Culet sizeLarge
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
9.45 mm6.26 mm2.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830623299
Side View
Table 62.0%Crown 32.9°Girdle: Slightly ThickPavilion 38.7°Culet: LargeDepth 66.3%

Caratlytics Score

How it works →
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 31
Current: $8,760 USD|Low: $1,770 USD|High: $8,760 USD|Avg: $4,273 USD
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 12$1,770 USD
Retailer 3$2,005 USD
Retailer 8$2,598 USD
Retailer 7$2,758 USD
Retailer 14$2,802 USD
Retailer 11$2,896 USD
Retailer 9$2,928 USD
Retailer 15$4,435 USD
Retailer 4$4,714 USD
Retailer 10$4,732 USD
Retailer 5$4,766 USD
Retailer 2$5,239 USD
Retailer 13$5,601 USD
Retailer 6$6,444 USD
Brilliant Earth$8,760 USD

7 data points across 15 retailers

15 retailers$1,770 USD to $8,760 USD

A
Cheapest Retailer
-
$1,770 USD
Final sale: no returns
A
Retailer 2
-
$2,005 USD
View
A
Retailer 3
-
$2,598 USD
£2,046 GBP
View
B+
Retailer 4
-
$2,758 USD
View
B+
Retailer 5
-
$2,802 USD
View
B+
Retailer 6
-
$2,896 USD
€2,758 EUR
View
B+
Retailer 7
-
$2,928 USD
View
B
Retailer 8
-
$4,435 USD
£3,492 GBP
View
B
Retailer 9
-
$4,714 USD
View
B
Retailer 10
-
$4,732 USD
ZAR 76,452 ZAR
View
B
Retailer 11
-
$4,766 USD
View
B+
Retailer 12
-
$5,239 USD
£4,125 GBP
View
B
Retailer 13
-
$5,601 USD
View
B
Retailer 14
-
$6,444 USD
View
Most Expensive
B
Brilliant Earth
22318473A · Oct 31
$8,760 USD
View
14 more retailers have this diamond
Prices start from $1,770 USDSave up to $6,990 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
2.51ct Emerald
$1,770 USD