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Princess|Lab Grown|GCAL

1.56ct G SI1 Princess Lab Grown Diamond

VG • G/SI1 • GCAL 320940331

Shape and cutting style on the report: Princess

Certificate GCAL 320940331

Diamond specifications and retailer prices

From £147 GBP
As of November 6, 2026
Save £1,265 GBP (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,412 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GCAL 320940331. Listed at 17 retailers as of November 6, 2026, with prices from £147 to £1,412, a £1,265 spread on the same certified stone. Do Amore Diamonds lists it at £1,412. 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
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle41.5°
Pavilion angle37.4°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 320940331
Dimensions6.40 × 6.20 × 4.44 mm
L/W Ratio1.03
Culet sizeNone
Top View
6.40 mm6.20 mm1.56 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 320940331
Side View
Table 67.0%Crown 41.5°Girdle: STK-STKPavilion 37.4°Culet: NoneDepth 71.6%

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: £1,412 GBP|Low: £131 GBP|High: £1,412 GBP|Avg: £482 GBP|+4.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 6£147 GBP
Retailer 14£165 GBP
Retailer 13£183 GBP
Retailer 3£271 GBP
Retailer 11£291 GBP
Retailer 2£296 GBP
Retailer 8£325 GBP
Retailer 7£483 GBP
Retailer 10£568 GBP
Retailer 4£649 GBP
Retailer 12£670 GBP
Retailer 5£776 GBP
Retailer 9£805 GBP
Do Amore Diamonds£1,412 GBP

45 data points across 14 retailers

17 retailers£147 GBP to £1,412 GBP

Retailer 1
-
£136 GBP
Price last confirmed 45 days ago
A
Retailer 2
-
£147 GBP
View
Retailer 3
-
£158 GBP
View
Price last confirmed 44 days ago
A
Retailer 4
-
£165 GBP
View
Final sale: no returns
Retailer 5
-
£166 GBP
View
Price last confirmed 44 days ago
A
Retailer 6
-
£183 GBP
View
B+
Retailer 7
-
£271 GBP
View
B+
Retailer 8
-
£291 GBP
View
A
Retailer 9
-
£296 GBP
View
B+
Retailer 10
-
£325 GBP
View
B+
Retailer 11
-
£483 GBP
View
B
Retailer 12
-
£568 GBP
View
B
Retailer 13
-
£649 GBP
View
B
Retailer 14
-
£670 GBP
View
B
Retailer 15
-
£776 GBP
View
B
Retailer 16
-
£805 GBP
View
Most Expensive
C
Do Amore Diamonds
27-5A4ADEB0E · Nov 6
£1,412 GBP
$1,900 USD
View
16 more retailers have this diamond
Prices start from £147 GBPSave up to £1,265 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
£147 GBP