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Emerald|Lab Grown|IGI

2.57ct E IF Emerald Lab Grown Diamond

VG • E/IF • IGI LG644440123

Shape and cutting style on the report: Emerald cut

Certificate IGI LG644440123

Diamond specifications and retailer prices

From £1,209 GBP
$1,620 USD
As of October 30, 2026
Save £4,605 GBP (79%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £5,814 GBP at Kay Jewelers · As of October 30, 2026
View at Kay Jewelers

About this 2.57ct lab-grown emerald diamond

This 2.57ct lab-grown emerald sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG644440123 or 644440123. Listed at 4 retailers as of October 30, 2026, with prices from £1,209 to £5,814, a £4,605 spread on the same certified stone. Kay Jewelers lists it at £5,814. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.57
Carat
E
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644440123
Dimensions9.39 × 6.36 × 4.24 mm
L/W Ratio1.48
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.39 mm6.36 mm2.57 ctE / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644440123
Side View
Table 62.0%Crown 33.6°Girdle: MediumPavilion 39.1°Culet: LargeDepth 66.7%

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: £5,814 GBP|Low: £1,209 GBP|High: £5,814 GBP|Avg: £4,467 GBP
Kay Jewelers
Retailer 2
Retailer 3
Retailer 4
September 28, 2026
Retailer 2£1,209 GBP
Retailer 3£4,171 GBP
Kay Jewelers£5,814 GBP
Retailer 4£5,814 GBP

2 data points across 4 retailers

4 retailers£1,209 GBP to £5,814 GBP

A
Cheapest Retailer
-
£1,209 GBP
$1,620 USD
B
Retailer 2
-
£4,171 GBP
$5,589 USD
View
B
Retailer 3
-
£5,814 GBP
$7,790 USD
View
Most Expensive
B
Kay Jewelers
258521949 · Oct 30
£5,814 GBP
$7,790 USD
View
3 more retailers have this diamond
Prices start from £1,209 GBPSave up to £4,605 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
2.57ct Emerald
£1,209 GBP