CaratHunter
Plans
Princess|Lab Grown|GCAL

1.55ct F SI1 Princess Lab Grown Diamond

EX • F/SI1

Diamond specifications and retailer prices

From £150 GBP
As of November 6, 2026
Save £897 GBP (86%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,048 GBP at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

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. Listed at 6 retailers as of November 5, 2026, with prices from £150 to £1,048, a £897 spread on the same certified stone. Diamond Exchange Canada lists it at £1,048. 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
OriginLab Grown
Grading LabGCAL
Dimensions6.36 × 6.15 × 4.32 mm
L/W Ratio1.03
Top View
6.36 mm6.15 mm1.55 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL
Side View
Table 67.0%CrownGirdle: ThickPavilionCuletDepth 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: £1,048 GBP|Low: £140 GBP|High: £1,048 GBP|Avg: £410 GBP
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 4£150 GBP
Retailer 2£175 GBP
Retailer 3£187 GBP
Retailer 5£662 GBP
Diamond Exchange Canada£1,048 GBP

7 data points across 5 retailers

6 retailers£150 GBP to £1,048 GBP

A
Cheapest Retailer
-
£150 GBP
Retailer 2
-
£167 GBP
View
Price last confirmed 24 days ago
B+
Retailer 3
-
£175 GBP
View
B+
Retailer 4
-
£187 GBP
View
B
Retailer 5
-
£662 GBP
View
Most Expensive
B
Diamond Exchange Canada
1986531751 · Nov 5
£1,048 GBP
CA$1,947 CAD
View
5 more retailers have this diamond
Prices start from £150 GBPSave up to £897 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
£150 GBP