CaratHunter
Plans
Princess|Lab Grown|GCAL

1.09ct F SI1 Princess Lab Grown Diamond

EX • F/SI1 • GCAL 320900152

Shape and cutting style on the report: Princess

Certificate GCAL 320900152

Diamond specifications and retailer prices

From £146 GBP
As of November 6, 2026
Save £688 GBP (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £834 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.09ct lab-grown princess diamond

This 1.09ct lab-grown princess sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 320900152. Listed at 11 retailers as of November 5, 2026, with prices from £146 to £834, a £688 spread on the same certified stone. MOH London lists it at £834. 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

1.09
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle44°
Pavilion angle36.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 320900152
Dimensions5.62 × 5.54 × 3.89 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.62 mm5.54 mm1.09 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 320900152
Side View
Table 67.0%Crown 44°Girdle: THK-THKPavilion 36.2°Culet: NoneDepth 70.2%

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 6
Current: £834 GBP|Low: £137 GBP|High: £841 GBP|Avg: £420 GBP|+5.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8£146 GBP
Retailer 6£201 GBP
Retailer 9£241 GBP
Retailer 2£258 GBP
Retailer 4£282 GBP
Retailer 3£421 GBP
Retailer 5£495 GBP
Retailer 7£584 GBP
Retailer 10£704 GBP
MOH London£834 GBP

43 data points across 10 retailers

11 retailers£146 GBP to £834 GBP

A
Cheapest Retailer
-
£146 GBP
Final sale: no returns
Retailer 2
-
£149 GBP
View
Price last confirmed 42 days ago
A
Retailer 3
-
£201 GBP
View
B+
Retailer 4
-
£241 GBP
View
A
Retailer 5
-
£258 GBP
View
B+
Retailer 6
-
£282 GBP
View
B
Retailer 7
-
£421 GBP
View
B
Retailer 8
-
£495 GBP
View
B
Retailer 9
-
£584 GBP
View
B
Retailer 10
-
£704 GBP
View
Most Expensive
B
MOH London
320900152 · Nov 5
£834 GBP
View
10 more retailers have this diamond
Prices start from £146 GBPSave up to £688 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
1.09ct Princess
£146 GBP