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Emerald|Lab Grown|IGI

1.33ct I SI1 Emerald Lab Grown Diamond

ID • I/SI1 • IGI LG524211504

Shape and cutting style on the report: Emerald cut

Certificate IGI LG524211504

Diamond specifications and retailer prices

From £99 GBP
$132 USD
As of October 30, 2026
Save £931 GBP (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,029 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.33ct lab-grown emerald diamond

This 1.33ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG524211504 or 524211504. Listed at 17 retailers as of October 29, 2026, with prices from £99 to £1,029, a £931 spread on the same certified stone. MOH London lists it at £1,029. 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

1.33
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle24°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG524211504
Dimensions7.22 × 5.16 × 3.28 mm
L/W Ratio1.40
Culet sizeLong
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
7.22 mm5.16 mm1.33 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG524211504
Side View
Table 69.0%Crown 24°Girdle: STK-THKPavilion 37.6°Culet: LNGDepth 63.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,029 GBP|Low: £79 GBP|High: £1,036 GBP|Avg: £337 GBP|+0.6%
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
Retailer 14
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Retailer 17
October 31, 2026
Retailer 12£99 GBP
Retailer 17£110 GBP
Retailer 3£115 GBP
Retailer 14£122 GBP
Retailer 16£122 GBP
Retailer 9£143 GBP
Retailer 5£166 GBP
Retailer 11£220 GBP
Retailer 2£287 GBP
Retailer 8£324 GBP
Retailer 4£372 GBP
Retailer 15£394 GBP
Retailer 6£408 GBP
Retailer 7£436 GBP
Retailer 13£440 GBP
Retailer 10£515 GBP
MOH London£1,029 GBP

25 data points across 17 retailers

17 retailers£99 GBP to £1,029 GBP

A
Cheapest Retailer
-
£99 GBP
$132 USD
A
Retailer 2
-
£110 GBP
$148 USD
View
Final sale: no returns
A
Retailer 3
-
£115 GBP
$154 USD
View
A
Retailer 4
-
£122 GBP
$164 USD
View
A
Retailer 5
-
£122 GBP
$164 USD
View
A
Retailer 6
-
£143 GBP
HK$1,500 HKD
View
B+
Retailer 7
-
£166 GBP
$222 USD
View
A
Retailer 8
-
£220 GBP
€281 EUR
View
A
Retailer 9
-
£287 GBP
$384 USD
View
B+
Retailer 10
-
£372 GBP
$498 USD
View
B+
Retailer 11
-
£394 GBP
$528 USD
View
B+
Retailer 12
-
£408 GBP
SGD 738 SGD
View
B+
Retailer 13
-
£416 GBP
$558 USD
View
B+
Retailer 14
-
£436 GBP
$584 USD
View
B+
Retailer 15
-
£440 GBP
$590 USD
View
B+
Retailer 16
-
£515 GBP
$690 USD
View
Most Expensive
B
MOH London
LG524211504 · Oct 29
£1,029 GBP
View
16 more retailers have this diamond
Prices start from £99 GBPSave up to £931 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
1.33ct Emerald
£99 GBP