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Princess|Lab Grown|GCAL

1.55ct G SI1 Princess Lab Grown Diamond

EX • G/SI1 • GCAL 312640096

Shape and cutting style on the report: Princess

Certificate GCAL 312640096

Diamond specifications and retailer prices

From £146 GBP
As of November 6, 2026
Save £658 GBP (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £804 GBP at MOH London · As of November 1, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 312640096. Listed at 15 retailers as of November 1, 2026, with prices from £146 to £804, a £658 spread on the same certified stone. MOH London lists it at £804. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle41.5°
Pavilion angle35.6°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 312640096
Dimensions6.50 × 6.24 × 4.25 mm
L/W Ratio1.04
Culet sizeNone
Top View
6.50 mm6.24 mm1.55 ctG / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 312640096
Side View
Table 66.0%Crown 41.5°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 68.1%

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: £804 GBP|Low: £130 GBP|High: £878 GBP|Avg: £458 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£146 GBP
Retailer 10£182 GBP
Retailer 11£271 GBP
Retailer 8£288 GBP
Retailer 2£294 GBP
Retailer 6£323 GBP
Retailer 5£480 GBP
Retailer 7£564 GBP
Retailer 12£645 GBP
Retailer 9£666 GBP
Retailer 3£772 GBP
MOH London£804 GBP

45 data points across 12 retailers

15 retailers£146 GBP to £804 GBP

Retailer 1
-
£135 GBP
Price last confirmed 45 days ago
A
Retailer 2
-
£146 GBP
View
Retailer 3
-
£157 GBP
View
Price last confirmed 44 days ago
Retailer 4
-
£166 GBP
View
Price last confirmed 44 days ago
A
Retailer 5
-
£182 GBP
View
B+
Retailer 6
-
£271 GBP
View
A
Retailer 7
-
£288 GBP
View
A
Retailer 8
-
£294 GBP
View
B+
Retailer 9
-
£323 GBP
View
B+
Retailer 10
-
£480 GBP
View
B
Retailer 11
-
£564 GBP
View
B
Retailer 12
-
£645 GBP
View
B
Retailer 13
-
£666 GBP
View
B
Retailer 14
-
£772 GBP
View
Most Expensive
B
MOH London
312640096 · Nov 1
£804 GBP
View
14 more retailers have this diamond
Prices start from £146 GBPSave up to £658 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
£146 GBP