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Emerald|Lab Grown|IGI

1.53ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG818685031

Shape and cutting style on the report: Emerald cut

Certificate IGI LG818685031

Diamond specifications and retailer prices

From £149 GBP
$200 USD
As of October 30, 2026
Save £721 GBP (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £870 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.53ct lab-grown emerald diamond

This 1.53ct lab-grown emerald sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818685031 or 818685031. Listed at 13 retailers as of October 29, 2026, with prices from £149 to £870, a £721 spread on the same certified stone. MOH London lists it at £870. 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

1.53
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle43.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818685031
Dimensions7.87 × 5.39 × 3.64 mm
L/W Ratio1.46
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.87 mm5.39 mm1.53 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818685031
Side View
Table 64.0%Crown 40°Girdle: THN-MEDPavilion 43.4°Culet: LargeDepth 67.5%

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: £870 GBP|Low: £143 GBP|High: £888 GBP|Avg: £416 GBP|-0.5%
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
October 31, 2026
Retailer 4£149 GBP
Retailer 3£167 GBP
Retailer 12£173 GBP
Retailer 9£185 GBP
Retailer 10£185 GBP
Retailer 7£322 GBP
Retailer 2£339 GBP
Retailer 11£596 GBP
Retailer 8£597 GBP
Retailer 5£603 GBP
Retailer 13£635 GBP
Retailer 6£653 GBP
MOH London£870 GBP

39 data points across 13 retailers

13 retailers£149 GBP to £870 GBP

A
Cheapest Retailer
-
£149 GBP
$200 USD
A
Retailer 2
-
£167 GBP
$224 USD
View
Final sale: no returns
A
Retailer 3
-
£173 GBP
$232 USD
View
A
Retailer 4
-
£185 GBP
$248 USD
View
A
Retailer 5
-
£185 GBP
$248 USD
View
B+
Retailer 6
-
£322 GBP
$431 USD
View
A
Retailer 7
-
£339 GBP
View
B
Retailer 8
-
£596 GBP
$798 USD
View
B
Retailer 9
-
£597 GBP
$800 USD
View
B+
Retailer 10
-
£603 GBP
SGD 1,092 SGD
View
B+
Retailer 11
-
£635 GBP
$851 USD
View
B+
Retailer 12
-
£653 GBP
$875 USD
View
Most Expensive
B
MOH London
LG818685031 · Oct 29
£870 GBP
View
12 more retailers have this diamond
Prices start from £149 GBPSave up to £721 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
1.53ct Emerald
£149 GBP