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Princess|Lab Grown|IGI

1.01ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG660442955

Shape and cutting style on the report: Princess cut

Certificate IGI LG660442955

Diamond specifications and retailer prices

From £167 GBP
As of November 5, 2026
Save £517 GBP (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £684 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 LG660442955 or 660442955. Listed at 7 retailers as of November 4, 2026, with prices from £167 to £684, a £517 spread on the same certified stone. MOH London lists it at £684. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660442955
Dimensions5.57 × 5.38 × 3.94 mm
L/W Ratio1.04
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.57 mm5.38 mm1.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660442955
Side View
Table 66.0%Crown 39.3°Girdle: MediumPavilion 38.7°Culet: NoneDepth 73.2%

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: £684 GBP|Low: £227 GBP|High: £694 GBP|Avg: £353 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5£246 GBP
Retailer 2£255 GBP
Retailer 3£278 GBP
Retailer 6£314 GBP
Retailer 4£327 GBP
MOH London£684 GBP

43 data points across 6 retailers

7 retailers£167 GBP to £684 GBP

A
Cheapest Retailer
-
£167 GBP
B+
Retailer 2
-
£246 GBP
View
B+
Retailer 3
-
£255 GBP
View
B+
Retailer 4
-
£278 GBP
View
B+
Retailer 5
-
£314 GBP
View
Retailer 6
-
£327 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
LG660442955 · Nov 4
£684 GBP
View
6 more retailers have this diamond
Prices start from £167 GBPSave up to £517 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
£167 GBP