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Emerald|Lab Grown|IGI

1.50ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG617428174

Shape and cutting style on the report: Emerald cut

Certificate IGI LG617428174

Diamond specifications and retailer prices

From £154 GBP
$207 USD
As of October 30, 2026
Save £613 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £768 GBP at MOH London · As of November 1, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG617428174 or 617428174. Listed at 11 retailers as of October 30, 2026, with prices from £154 to £768, a £613 spread on the same certified stone. MOH London lists it at £768. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617428174
Dimensions7.74 × 5.41 × 3.75 mm
L/W Ratio1.43
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.74 mm5.41 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617428174
Side View
Table 62.0%Crown 35°Girdle: MediumPavilion 41.4°Culet: LargeDepth 69.3%

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: Oct 30
Current: £768 GBP|Low: £149 GBP|High: £886 GBP|Avg: £398 GBP|-13.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7£154 GBP
Retailer 4£179 GBP
Retailer 8£192 GBP
Retailer 9£192 GBP
Retailer 5£319 GBP
Retailer 3£331 GBP
Retailer 2£353 GBP
Retailer 11£438 GBP
Retailer 10£616 GBP
Retailer 6£618 GBP
MOH London£768 GBP

32 data points across 11 retailers

11 retailers£154 GBP to £768 GBP

A
Cheapest Retailer
-
£154 GBP
$207 USD
A
Retailer 2
-
£179 GBP
$240 USD
View
A
Retailer 3
-
£192 GBP
$257 USD
View
Retailer 4
-
£192 GBP
$257 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£319 GBP
€407 EUR
View
B+
Retailer 6
-
£331 GBP
$444 USD
View
B+
Retailer 7
-
£353 GBP
View
B+
Retailer 8
-
£438 GBP
$587 USD
View
B+
Retailer 9
-
£616 GBP
$825 USD
View
B
Retailer 10
-
£618 GBP
$828 USD
View
Most Expensive
B
MOH London
LG617428174 · Nov 1
£768 GBP
View
10 more retailers have this diamond
Prices start from £154 GBPSave up to £613 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
£154 GBP