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Emerald|Lab Grown|IGI

1.51ct H SI2 Emerald Lab Grown Diamond

ID • H/SI2 • IGI LG847680905

Shape and cutting style on the report: Emerald cut

Certificate IGI LG847680905

Diamond specifications and retailer prices

From £303 GBP
$404 USD
As of October 30, 2026
Save £507 GBP (63%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £811 GBP at MOH London · As of October 29, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG847680905 or 847680905. Listed at 4 retailers as of October 29, 2026, with prices from £303 to £811, a £507 spread on the same certified stone. MOH London lists it at £811. 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
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847680905
Dimensions8.21 × 5.46 × 3.46 mm
L/W Ratio1.50
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.21 mm5.46 mm1.51 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847680905
Side View
Table 74.0%Crown 39.2°Girdle: MediumPavilion 41.6°Culet: LargeDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £811 GBP|Low: £303 GBP|High: £811 GBP|Avg: £514 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 4£303 GBP
Retailer 2£305 GBP
Retailer 3£586 GBP
MOH London£811 GBP

4 data points across 4 retailers

4 retailers£303 GBP to £811 GBP

B+
Cheapest Retailer
-
£303 GBP
$404 USD
A
Retailer 2
-
£305 GBP
€387 EUR
View
B+
Retailer 3
-
£586 GBP
$780 USD
View
Most Expensive
B+
MOH London
LG847680905 · Oct 29
£811 GBP
View
3 more retailers have this diamond
Prices start from £303 GBPSave up to £507 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
1.51ct Emerald
£303 GBP