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Emerald|Lab Grown|IGI

2.55ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG684508161

Shape and cutting style on the report: Tapered baguette

Certificate IGI LG684508161

Diamond specifications and retailer prices

From £496 GBP
$660 USD
As of October 29, 2026
Save £919 GBP (65%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,414 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 2.55ct lab-grown emerald diamond

This 2.55ct lab-grown emerald sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG684508161 or 684508161. Listed at 6 retailers as of October 25, 2026, with prices from £496 to £1,414, a £919 spread on the same certified stone. MOH London lists it at £1,414. 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

2.55
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle29.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG684508161
Dimensions12.02 × 6.90 × 3.37 mm
L/W Ratio1.74
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.02 mm6.90 mm2.55 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG684508161
Side View
Table 60.0%Crown 38.6°Girdle: STK-THKPavilion 29.5°Culet: LargeDepth 48.8%

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 29
Current: £1,414 GBP|Low: £496 GBP|High: £1,430 GBP|Avg: £909 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 25, 2026
Retailer 5£496 GBP
Retailer 3£517 GBP
Retailer 2£637 GBP
Retailer 4£1,223 GBP
Retailer 6£1,262 GBP
MOH London£1,414 GBP

12 data points across 6 retailers

6 retailers£496 GBP to £1,414 GBP

A
Cheapest Retailer
-
£496 GBP
$660 USD
B+
Retailer 2
-
£517 GBP
$688 USD
View
B+
Retailer 3
-
£637 GBP
€808 EUR
View
B
Retailer 4
-
£1,223 GBP
SGD 2,200 SGD
View
B
Retailer 5
-
£1,262 GBP
$1,680 USD
View
Most Expensive
B
MOH London
LG684508161 · Oct 25
£1,414 GBP
View
5 more retailers have this diamond
Prices start from £496 GBPSave up to £919 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
2.55ct Emerald
£496 GBP