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Emerald|Lab Grown|IGI

2.57ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG657424855

Shape and cutting style on the report: Emerald cut

Certificate IGI LG657424855

Diamond specifications and retailer prices

From $330 SGD
$258 USD
As of October 30, 2026
Save $1,321 SGD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,651 SGD at MOH London · As of October 29, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG657424855 or 657424855. Listed at 11 retailers as of October 29, 2026, with prices from $330 to $1,651, a $1,321 spread on the same certified stone. MOH London lists it at $1,651. 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

2.57
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG657424855
Dimensions9.49 × 6.36 × 4.38 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.49 mm6.36 mm2.57 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG657424855
Side View
Table 63.0%Crown 37.1°Girdle: MED-STKPavilion 41.1°Culet: LargeDepth 68.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,651 SGD|Low: $330 SGD|High: $4,794 SGD|Avg: $1,553 SGD
MOH London
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
Retailer 16
October 31, 2026
Retailer 10$330 SGD
Retailer 3$384 SGD
Retailer 12$409 SGD
Retailer 14$458 SGD
Retailer 11$614 SGD
Retailer 16$684 SGD
Retailer 9$781 SGD
Retailer 13$800 SGD
Retailer 5$863 SGD
Retailer 2$1,259 SGD
Retailer 15$1,317 SGD
MOH London$1,651 SGD
Retailer 6$1,866 SGD
Retailer 8$2,602 SGD
Retailer 7$3,768 SGD
Retailer 4$4,794 SGD

5 data points across 16 retailers

11 retailers$330 SGD to $1,651 SGD

A
Cheapest Retailer
-
$330 SGD
$258 USD
A
Retailer 2
-
$384 SGD
$300 USD
View
A
Retailer 3
-
$409 SGD
$320 USD
View
A
Retailer 4
-
$458 SGD
HK$2,800 HKD
View
A
Retailer 5
-
$614 SGD
$480 USD
View
B+
Retailer 6
-
$684 SGD
$535 USD
View
A
Retailer 7
-
$781 SGD
£481 GBP
View
A
Retailer 8
-
$800 SGD
$626 USD
View
B+
Retailer 9
-
$1,259 SGD
$985 USD
View
B
Retailer 10
-
$1,317 SGD
$1,030 USD
View
Most Expensive
B
MOH London
LG657424855 · Oct 29
$1,651 SGD
£1,017 GBP
View
10 more retailers have this diamond
Prices start from $330 SGDSave up to $1,321 SGD

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
$330 SGD