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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 $660 USD
As of October 29, 2026
Save $1,223 USD (65%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,883 USD 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 $660 to $1,883, a $1,223 spread on the same certified stone. MOH London lists it at $1,883. 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
Color
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: $1,883 USD|Low: $660 USD|High: $1,904 USD|Avg: $1,210 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 25, 2026
Retailer 5$660 USD
Retailer 3$688 USD
Retailer 2$848 USD
Retailer 4$1,628 USD
Retailer 6$1,680 USD
MOH London$1,883 USD

12 data points across 6 retailers

6 retailers$660 USD to $1,883 USD

A
Cheapest Retailer
-
$660 USD
B+
Retailer 2
-
$688 USD
View
B+
Retailer 3
-
$848 USD
€808 EUR
View
B
Retailer 4
-
$1,628 USD
SGD 2,200 SGD
View
B
Retailer 5
-
$1,680 USD
View
Most Expensive
B
MOH London
LG684508161 · Oct 25
$1,883 USD
£1,483 GBP
View
5 more retailers have this diamond
Prices start from $660 USDSave up to $1,223 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
2.55ct Emerald
$660 USD