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Princess|Lab Grown|GCAL

1.56ct F SI1 Princess Lab Grown Diamond

VG • F/SI1 • GCAL 313560286

Shape and cutting style on the report: Princess

Certificate GCAL 313560286

Diamond specifications and retailer prices

From £151 GBP
As of November 6, 2026
Save £678 GBP (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £829 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.56ct lab-grown princess diamond

This 1.56ct 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 very-good cut grade and certified by GCAL 313560286. Listed at 15 retailers as of November 2, 2026, with prices from £151 to £829, a £678 spread on the same certified stone. MOH London lists it at £829. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.56
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle42°
Pavilion angle36.6°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 313560286
Dimensions6.47 × 6.18 × 4.39 mm
L/W Ratio1.05
Culet sizeNone
Top View
6.47 mm6.18 mm1.56 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 313560286
Side View
Table 66.0%Crown 42°Girdle: STK-THKPavilion 36.6°Culet: NoneDepth 70.9%

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: £829 GBP|Low: £135 GBP|High: £834 GBP|Avg: £459 GBP|+7.5%
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£151 GBP
Retailer 10£188 GBP
Retailer 11£278 GBP
Retailer 8£284 GBP
Retailer 2£304 GBP
Retailer 6£333 GBP
Retailer 5£498 GBP
Retailer 7£585 GBP
Retailer 12£666 GBP
Retailer 9£690 GBP
Retailer 3£793 GBP
MOH London£829 GBP

44 data points across 12 retailers

15 retailers£151 GBP to £829 GBP

Retailer 1
-
£140 GBP
Price last confirmed 46 days ago
A
Retailer 2
-
£151 GBP
View
Retailer 3
-
£163 GBP
View
Price last confirmed 45 days ago
Retailer 4
-
£172 GBP
View
Price last confirmed 45 days ago
A
Retailer 5
-
£188 GBP
View
B+
Retailer 6
-
£278 GBP
View
B+
Retailer 7
-
£284 GBP
View
A
Retailer 8
-
£304 GBP
View
B+
Retailer 9
-
£333 GBP
View
B+
Retailer 10
-
£498 GBP
View
B
Retailer 11
-
£585 GBP
View
B
Retailer 12
-
£666 GBP
View
B
Retailer 13
-
£690 GBP
View
B
Retailer 14
-
£793 GBP
View
Most Expensive
B
MOH London
313560286 · Nov 2
£829 GBP
View
14 more retailers have this diamond
Prices start from £151 GBPSave up to £678 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
1.56ct Princess
£151 GBP