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Princess|Lab Grown|IGI

0.91ct F SI1 Princess Lab Grown Diamond

ID • F/SI1 • IGI LG725512365

Shape and cutting style on the report: Princess cut

Certificate IGI LG725512365

Diamond specifications and retailer prices

From £209 GBP
As of November 6, 2026
Save £847 GBP (80%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,056 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.91ct lab-grown princess diamond

This 0.91ct lab-grown princess sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG725512365 or 725512365. Listed at 7 retailers as of November 2, 2026, with prices from £209 to £1,056, a £847 spread on the same certified stone. MOH London lists it at £1,056. 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

0.91
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.7°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG725512365
Dimensions5.26 × 4.98 × 3.78 mm
L/W Ratio1.06
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.26 mm4.98 mm0.91 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG725512365
Side View
Table 73.0%Crown 50.7°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 75.9%

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 6
Current: £1,056 GBP|Low: £194 GBP|High: £1,069 GBP|Avg: £360 GBP|+0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 4, 2026
Retailer 6£209 GBP
Retailer 3£223 GBP
Retailer 7£237 GBP
Retailer 4£260 GBP
Retailer 2£299 GBP
Retailer 5£363 GBP
MOH London£1,056 GBP

20 data points across 7 retailers

7 retailers£209 GBP to £1,056 GBP

A
Cheapest Retailer
-
£209 GBP
Retailer 2
-
£223 GBP
View
Price last confirmed 8 days ago
A
Retailer 3
-
£237 GBP
View
A
Retailer 4
-
£260 GBP
View
B+
Retailer 5
-
£299 GBP
View
B+
Retailer 6
-
£363 GBP
View
Most Expensive
B
MOH London
LG725512365 · Nov 2
£1,056 GBP
View
6 more retailers have this diamond
Prices start from £209 GBPSave up to £847 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
0.91ct Princess
£209 GBP