CaratHunter
Plans
Princess|Lab Grown|IGI

1.01ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG825630066

Shape and cutting style on the report: Princess cut

Certificate IGI LG825630066

Diamond specifications and retailer prices

From £158 GBP
As of November 4, 2026
Save £266 GBP (63%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £978 GBP at MOH London · As of October 15, 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 LG825630066 or 825630066. Listed at 13 retailers as of November 4, 2026, with a 169% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle40.1°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825630066
Dimensions5.63 × 5.58 × 3.70 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.63 mm5.58 mm1.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG825630066
Side View
Table 73.0%Crown 40.1°Girdle: ThinPavilion 38°Culet: NoneDepth 66.3%

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: Nov 4
Current: £978 GBP|Low: £104 GBP|High: £978 GBP|Avg: £335 GBP|+45.3%
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
November 2, 2026
Retailer 3£104 GBP
Retailer 11£150 GBP
Retailer 9£158 GBP
Retailer 8£191 GBP
Retailer 7£208 GBP
Retailer 6£216 GBP
Retailer 10£220 GBP
Retailer 2£267 GBP
Retailer 12£345 GBP
Retailer 13£414 GBP
Retailer 5£424 GBP
Retailer 4£710 GBP
MOH London£978 GBP

33 data points across 13 retailers

13 retailers£158 GBP to £424 GBP

Retailer 1
-
£150 GBP
Price last confirmed 10 days ago
B+
Retailer 2
-
£158 GBP
View
Retailer 3
-
£191 GBP
View
Price last confirmed 9 days ago
Retailer 4
-
£208 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£216 GBP
View
Retailer 6
-
£220 GBP
View
Price last confirmed 9 days ago
Retailer 7
-
£243 GBP
View
Price last confirmed 25 days ago
B+
Retailer 8
-
£267 GBP
View
Retailer 9
-
£345 GBP
View
Price last confirmed 9 days ago
Retailer 10
-
£414 GBP
View
Price last confirmed 10 days ago
B
Retailer 11
-
£424 GBP
View
Retailer 12
-
£710 GBP
View
Price last confirmed 11 days ago
Most Expensive
MOH London
LG825630066 · Oct 15
£978 GBP
View
Price last confirmed 22 days ago
12 more retailers have this diamond
Prices start from £158 GBPSave up to £266 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
£158 GBP