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Princess|Lab Grown|IGI

1.05ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG848666545

Shape and cutting style on the report: Princess cut

Certificate IGI LG848666545

Diamond specifications and retailer prices

From £125 GBP
As of November 4, 2026
Save £520 GBP (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £644 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.05ct lab-grown princess diamond

This 1.05ct 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 LG848666545 or 848666545. Listed at 11 retailers as of November 4, 2026, with prices from £125 to £644, a £520 spread on the same certified stone. MOH London lists it at £644. 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

1.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.6°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848666545
Dimensions5.46 × 5.44 × 3.96 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.46 mm5.44 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG848666545
Side View
Table 70.0%Crown 35.6°Girdle: Slightly ThickPavilion 39.6°Culet: NoneDepth 72.8%

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 4
Current: £644 GBP|Low: £125 GBP|High: £654 GBP|Avg: £290 GBP|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4£125 GBP
Retailer 10£161 GBP
Retailer 3£178 GBP
Retailer 8£236 GBP
Retailer 2£238 GBP
Retailer 6£254 GBP
Retailer 5£262 GBP
Retailer 7£360 GBP
Retailer 9£381 GBP
MOH London£644 GBP

8 data points across 10 retailers

11 retailers£125 GBP to £644 GBP

A
Cheapest Retailer
-
£125 GBP
Final sale: no returns
A
Retailer 2
-
£161 GBP
View
A
Retailer 3
-
£178 GBP
View
Retailer 4
-
£236 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£238 GBP
View
B+
Retailer 6
-
£254 GBP
View
B+
Retailer 7
-
£262 GBP
View
B+
Retailer 8
-
£360 GBP
View
B
Retailer 9
-
£381 GBP
View
B
Retailer 10
-
£446 GBP
View
Most Expensive
B
MOH London
LG848666545 · Nov 4
£644 GBP
View
10 more retailers have this diamond
Prices start from £125 GBPSave up to £520 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
1.05ct Princess
£125 GBP