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Princess|Lab Grown|IGI

1.01ct E SI1 Princess Lab Grown Diamond

EX • E/SI1 • IGI LG845669477

Shape and cutting style on the report: Princess cut

Certificate IGI LG845669477

Diamond specifications and retailer prices

From £122 GBP
As of November 5, 2026
Save £509 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £631 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.01ct lab-grown princess diamond

This 1.01ct lab-grown princess sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG845669477 or 845669477. Listed at 14 retailers as of November 4, 2026, with prices from £122 to £631, a £509 spread on the same certified stone. MOH London lists it at £631. 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

1.01
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle45.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845669477
Dimensions5.32 × 5.30 × 3.95 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.32 mm5.30 mm1.01 ctE / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG845669477
Side View
Table 73.0%Crown 45.5°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 74.5%

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: Nov 5
Current: £631 GBP|Low: £109 GBP|High: £631 GBP|Avg: £240 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
November 6, 2026
Retailer 9£109 GBP
Retailer 10£122 GBP
Retailer 3£152 GBP
Retailer 5£174 GBP
Retailer 4£224 GBP
Retailer 2£232 GBP
Retailer 8£232 GBP
Retailer 11£250 GBP
Retailer 6£257 GBP
Retailer 7£350 GBP
Retailer 12£374 GBP
MOH London£631 GBP

13 data points across 12 retailers

14 retailers£122 GBP to £631 GBP

Retailer 1
-
£109 GBP
Price last confirmed 10 days ago
A
Retailer 2
-
£122 GBP
View
Final sale: no returns
A
Retailer 3
-
£152 GBP
View
A
Retailer 4
-
£174 GBP
View
Retailer 5
-
£224 GBP
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£232 GBP
View
Retailer 7
-
£232 GBP
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£250 GBP
View
B+
Retailer 9
-
£257 GBP
View
Retailer 10
-
£349 GBP
View
Price last confirmed 9 days ago
B+
Retailer 11
-
£350 GBP
View
B
Retailer 12
-
£374 GBP
View
B
Retailer 13
-
£424 GBP
View
Most Expensive
B
MOH London
LG845669477 · Nov 4
£631 GBP
View
13 more retailers have this diamond
Prices start from £122 GBPSave up to £509 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
1.01ct Princess
£122 GBP