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Emerald|Lab Grown|IGI

2.51ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG838619331

Shape and cutting style on the report: Emerald cut

Certificate IGI LG838619331

Diamond specifications and retailer prices

From £881 GBP
$1,180 USD
As of October 30, 2026
Save £4,687 GBP (84%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £5,568 GBP at Brilliant Earth · As of October 30, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG838619331 or 838619331. Listed at 8 retailers as of October 30, 2026, with prices from £881 to £5,568, a £4,687 spread on the same certified stone. Brilliant Earth lists it at £5,568. 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
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838619331
Dimensions8.89 × 6.35 × 4.32 mm
L/W Ratio1.40
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
8.89 mm6.35 mm2.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838619331
Side View
Table 61.0%Crown 36.1°Girdle: Slightly ThickPavilion 39.6°Culet: LargeDepth 68.0%

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 30
Current: £5,568 GBP|Low: £881 GBP|High: £5,926 GBP|Avg: £2,370 GBP|-0.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 4£881 GBP
Retailer 2£985 GBP
Retailer 6£990 GBP
Retailer 3£1,875 GBP
Retailer 5£2,119 GBP
Retailer 7£2,491 GBP
Retailer 8£3,414 GBP
Brilliant Earth£5,568 GBP

28 data points across 8 retailers

8 retailers£881 GBP to £5,568 GBP

A
Cheapest Retailer
-
£881 GBP
$1,180 USD
A
Retailer 2
-
£985 GBP
View
A
Retailer 3
-
£990 GBP
€1,263 EUR
View
A
Retailer 4
-
£1,875 GBP
$2,512 USD
View
B+
Retailer 5
-
£2,119 GBP
$2,839 USD
View
B+
Retailer 6
-
£2,491 GBP
View
Retailer 7
-
£3,414 GBP
$4,575 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21660700A · Oct 30
£5,568 GBP
$7,460 USD
View
7 more retailers have this diamond
Prices start from £881 GBPSave up to £4,687 GBP

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
£881 GBP