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Radiant|Lab Grown|IGI

1.32ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG546228675

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG546228675

Diamond specifications and retailer prices

From £155 GBP
$208 USD
As of October 30, 2026
Save £617 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £772 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.32ct lab-grown radiant diamond

This 1.32ct lab-grown radiant 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 LG546228675 or 546228675. Listed at 15 retailers as of October 26, 2026, with prices from £155 to £772, a £617 spread on the same certified stone. MOH London lists it at £772. 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

1.32
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG546228675
Dimensions7.65 × 5.67 × 3.70 mm
L/W Ratio1.35
Culet sizePointed
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
7.65 mm5.67 mm1.32 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG546228675
Side View
Table 64.0%Crown 40.4°Girdle: MediumPavilion 34.7°Culet: NoneDepth 65.3%

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: £772 GBP|Low: £149 GBP|High: £781 GBP|Avg: £395 GBP
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
October 30, 2026
Retailer 12£155 GBP
Retailer 6£174 GBP
Retailer 9£180 GBP
Retailer 8£193 GBP
Retailer 10£193 GBP
Retailer 11£251 GBP
Retailer 4£331 GBP
Retailer 7£355 GBP
Retailer 5£434 GBP
Retailer 3£526 GBP
Retailer 2£582 GBP
Retailer 13£619 GBP
Retailer 14£621 GBP
MOH London£772 GBP

43 data points across 14 retailers

15 retailers£155 GBP to £772 GBP

A
Cheapest Retailer
-
£155 GBP
$208 USD
A
Retailer 2
-
£174 GBP
$233 USD
View
Final sale: no returns
A
Retailer 3
-
£180 GBP
$241 USD
View
A
Retailer 4
-
£193 GBP
$258 USD
View
A
Retailer 5
-
£193 GBP
$258 USD
View
Retailer 6
-
£251 GBP
View
Price last confirmed 13 days ago
B+
Retailer 7
-
£331 GBP
$444 USD
View
B+
Retailer 8
-
£353 GBP
$473 USD
View
B+
Retailer 9
-
£355 GBP
View
B
Retailer 10
-
£434 GBP
$581 USD
View
Retailer 11
-
£526 GBP
$705 USD
View
Price last confirmed 9 days ago
B
Retailer 12
-
£582 GBP
$780 USD
View
B
Retailer 13
-
£619 GBP
$829 USD
View
B
Retailer 14
-
£621 GBP
$832 USD
View
Most Expensive
B
MOH London
LG546228675 · Oct 26
£772 GBP
View
14 more retailers have this diamond
Prices start from £155 GBPSave up to £617 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
1.32ct Radiant
£155 GBP