CaratHunter
Plans
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 €231 EUR
$258 USD
As of October 30, 2026
Save €925 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,156 EUR 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 €231 to €1,156, a €925 spread on the same certified stone. MOH London lists it at €1,156. 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: €1,156 EUR|Low: €231 EUR|High: €3,357 EUR|Avg: €1,087 EUR
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€231 EUR
Retailer 3€269 EUR
Retailer 12€286 EUR
Retailer 14€321 EUR
Retailer 11€430 EUR
Retailer 16€479 EUR
Retailer 9€547 EUR
Retailer 13€560 EUR
Retailer 5€604 EUR
Retailer 2€882 EUR
Retailer 15€922 EUR
MOH London€1,156 EUR
Retailer 6€1,307 EUR
Retailer 8€1,822 EUR
Retailer 7€2,639 EUR
Retailer 4€3,357 EUR

5 data points across 16 retailers

11 retailers€231 EUR to €1,156 EUR

A
Cheapest Retailer
-
€231 EUR
$258 USD
A
Retailer 2
-
€269 EUR
$300 USD
View
A
Retailer 3
-
€286 EUR
$320 USD
View
A
Retailer 4
-
€321 EUR
HK$2,800 HKD
View
A
Retailer 5
-
€430 EUR
$480 USD
View
B+
Retailer 6
-
€479 EUR
$535 USD
View
A
Retailer 7
-
€547 EUR
£481 GBP
View
A
Retailer 8
-
€560 EUR
$626 USD
View
B+
Retailer 9
-
€882 EUR
$985 USD
View
B
Retailer 10
-
€922 EUR
$1,030 USD
View
Most Expensive
B
MOH London
LG657424855 · Oct 29
€1,156 EUR
£1,017 GBP
View
10 more retailers have this diamond
Prices start from €231 EURSave up to €925 EUR

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
€231 EUR