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Emerald|Lab Grown|IGI

1.50ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG786681432

Shape and cutting style on the report: Emerald cut

Certificate IGI LG786681432

Diamond specifications and retailer prices

From £330 GBP
As of November 6, 2026
Save £434 GBP (57%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £764 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.5ct lab-grown emerald diamond

This 1.5ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG786681432 or 786681432. Listed at 6 retailers as of November 2, 2026, with prices from £330 to £764, a £434 spread on the same certified stone. MOH London lists it at £764. 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

1.50
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786681432
Dimensions8.01 × 5.12 × 3.80 mm
L/W Ratio1.56
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.01 mm5.12 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786681432
Side View
Table 68.0%Crown 39.4°Girdle: STK-THKPavilion 42.2°Culet: LargeDepth 74.2%

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: Nov 6
Current: £764 GBP|Low: £272 GBP|High: £882 GBP|Avg: £479 GBP|-13.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4£317 GBP
Retailer 6£330 GBP
Retailer 2£348 GBP
Retailer 5£436 GBP
Retailer 3£658 GBP
MOH London£764 GBP

38 data points across 6 retailers

6 retailers£330 GBP to £764 GBP

Retailer 1
-
£317 GBP
Price last confirmed 8 days ago
B+
Retailer 2
-
£330 GBP
View
A
Retailer 3
-
£348 GBP
View
B+
Retailer 4
-
£436 GBP
View
B
Retailer 5
-
£658 GBP
View
Most Expensive
B
MOH London
LG786681432 · Nov 2
£764 GBP
View
5 more retailers have this diamond
Prices start from £330 GBPSave up to £434 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
1.50ct Emerald
£330 GBP