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Emerald|Lab Grown|IGI

1.30ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG657423909

Shape and cutting style on the report: Emerald cut

Certificate IGI LG657423909

Diamond specifications and retailer prices

From £93 GBP
$124 USD
As of October 30, 2026
Save £878 GBP (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £971 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.3ct lab-grown emerald diamond

This 1.3ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG657423909 or 657423909. Listed at 16 retailers as of October 29, 2026, with prices from £93 to £971, a £878 spread on the same certified stone. MOH London lists it at £971. 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

1.30
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG657423909
Dimensions8.37 × 4.95 × 3.14 mm
L/W Ratio1.69
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.37 mm4.95 mm1.30 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG657423909
Side View
Table 65.0%Crown 38.5°Girdle: ThinPavilion 41.6°Culet: LNGDepth 63.4%

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: £971 GBP|Low: £93 GBP|High: £978 GBP|Avg: £379 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
October 29, 2026
Retailer 8£93 GBP
Retailer 10£123 GBP
Retailer 11£222 GBP
Retailer 5£225 GBP
Retailer 4£228 GBP
Retailer 2£240 GBP
Retailer 3£310 GBP
Retailer 7£393 GBP
Retailer 6£484 GBP
Retailer 9£608 GBP
MOH London£971 GBP

44 data points across 11 retailers

16 retailers£93 GBP to £971 GBP

A
Cheapest Retailer
-
£93 GBP
$124 USD
Retailer 2
-
£93 GBP
$124 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
£108 GBP
$144 USD
View
Retailer 4
-
£122 GBP
$163 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
£123 GBP
$164 USD
View
A
Retailer 6
-
£123 GBP
$164 USD
View
B+
Retailer 7
-
£222 GBP
$295 USD
View
A
Retailer 8
-
£225 GBP
View
A
Retailer 9
-
£228 GBP
€289 EUR
View
A
Retailer 10
-
£240 GBP
View
B+
Retailer 11
-
£310 GBP
$413 USD
View
B+
Retailer 12
-
£372 GBP
$495 USD
View
B+
Retailer 13
-
£393 GBP
$523 USD
View
B+
Retailer 14
-
£484 GBP
$645 USD
View
B
Retailer 15
-
£608 GBP
$810 USD
View
Most Expensive
B
MOH London
LG657423909 · Oct 29
£971 GBP
View
15 more retailers have this diamond
Prices start from £93 GBPSave up to £878 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
1.30ct Emerald
£93 GBP