Princess|Lab Grown|GCAL

1.55ct F SI1 Princess Lab Grown Diamond

EX • F/SI1 • GCAL 320900162

Shape and cutting style on the report: Princess

Certificate GCAL 320900162

Diamond specifications and retailer prices

From £168 GBP
As of November 6, 2026
Save £655 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £823 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.55ct lab-grown princess diamond

This 1.55ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 320900162. Listed at 15 retailers as of November 5, 2026, with prices from £168 to £823, a £655 spread on the same certified stone. MOH London lists it at £823. 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

1.55
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle42.5°
Pavilion angle36°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 320900162
Dimensions6.36 × 6.15 × 4.32 mm
L/W Ratio1.03
Culet sizeNone
Top View
6.36 mm6.15 mm1.55 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 320900162
Side View
Table 67.0%Crown 42.5°Girdle: THK-THKPavilion 36°Culet: NoneDepth 70.2%

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 6
Current: £823 GBP|Low: £134 GBP|High: £5,031 GBP|Avg: £452 GBP|+7.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4£150 GBP
Retailer 11£168 GBP
Retailer 10£187 GBP
Retailer 12£278 GBP
Retailer 9£281 GBP
Retailer 5£331 GBP
Retailer 2£495 GBP
Retailer 6£581 GBP
Retailer 3£662 GBP
Retailer 7£687 GBP
Retailer 8£790 GBP
MOH London£823 GBP

31 data points across 12 retailers

15 retailers£168 GBP to £823 GBP

Retailer 1
-
£140 GBP
Price last confirmed 45 days ago
Retailer 2
-
£150 GBP
View
Price last confirmed 18 days ago
Retailer 3
-
£162 GBP
View
Price last confirmed 44 days ago
A
Retailer 4
-
£168 GBP
View
Final sale: no returns
Retailer 5
-
£171 GBP
View
Price last confirmed 44 days ago
Retailer 6
-
£187 GBP
View
Price last confirmed 18 days ago
B+
Retailer 7
-
£278 GBP
View
A
Retailer 8
-
£281 GBP
View
A
Retailer 9
-
£331 GBP
View
B+
Retailer 10
-
£495 GBP
View
B+
Retailer 11
-
£581 GBP
View
Retailer 12
-
£662 GBP
View
Price last confirmed 19 days ago
B
Retailer 13
-
£687 GBP
View
B
Retailer 14
-
£790 GBP
View
Most Expensive
B
MOH London
320900162 · Nov 5
£823 GBP
View
14 more retailers have this diamond
Prices start from £168 GBPSave up to £655 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
1.55ct Princess
£168 GBP