CaratHunter
Plans
Emerald|Lab Grown|IGI

1.51ct E SI2 Emerald Lab Grown Diamond

ID • E/SI2 • IGI LG464182189

Shape and cutting style on the report: Emerald cut

Certificate IGI LG464182189

Diamond specifications and retailer prices

From €169 EUR
$189 USD
As of October 27, 2026
Save €645 EUR (79%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €931 EUR at MOH London · As of October 21, 2026
View at MOH London

About this 1.51ct lab-grown emerald diamond

This 1.51ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG464182189 or 464182189. Listed at 8 retailers as of October 26, 2026, with a 381% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.51
Carat
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.8°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG464182189
Dimensions7.41 × 5.43 × 3.63 mm
L/W Ratio1.36
Culet sizeLong
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.41 mm5.43 mm1.51 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG464182189
Side View
Table 67.5%Crown 26.8°Girdle: MediumPavilion 37.1°Culet: LNGDepth 66.9%

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 27
Current: €931 EUR|Low: €162 EUR|High: €1,069 EUR|Avg: €575 EUR|-12.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 18, 2026
Retailer 3€169 EUR
Retailer 8€196 EUR
Retailer 5€368 EUR
Retailer 2€675 EUR
Retailer 6€730 EUR
Retailer 7€743 EUR
Retailer 4€815 EUR
MOH London€931 EUR

14 data points across 8 retailers

8 retailers€169 EUR to €815 EUR

A
Cheapest Retailer
-
€169 EUR
$189 USD
A
Retailer 2
-
€196 EUR
$219 USD
View
B+
Retailer 3
-
€368 EUR
$411 USD
View
B
Retailer 4
-
€675 EUR
$754 USD
View
B
Retailer 5
-
€730 EUR
$816 USD
View
B
Retailer 6
-
€743 EUR
$830 USD
View
B
Retailer 7
-
€815 EUR
$910 USD
View
Most Expensive
MOH London
LG464182189 · Oct 21
€931 EUR
£819 GBP
View
Price last confirmed 10 days ago
7 more retailers have this diamond
Prices start from €169 EURSave up to €645 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
1.51ct Emerald
€169 EUR