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Princess|Lab Grown|GCAL

1.56ct G SI1 Princess Lab Grown Diamond

EX • G/SI1 • GCAL 320490152

Shape and cutting style on the report: Princess

Certificate GCAL 320490152

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)
14 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 top-tier cut grade and certified by GCAL 320490152. Listed at 14 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. 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

1.56
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39°
Pavilion angle38.4°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 320490152
Dimensions6.36 × 6.24 × 4.55 mm
L/W Ratio1.02
Culet sizeNone
Top View
6.36 mm6.24 mm1.56 ctG / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 320490152
Side View
Table 66.0%Crown 39°Girdle: THK-VTKPavilion 38.4°Culet: NoneDepth 73.0%

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: £472 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£808 GBP
Do Amore Diamonds£1,412 GBP

46 data points across 14 retailers

14 retailers£147 GBP to £1,412 GBP

A
Cheapest Retailer
-
£147 GBP
A
Retailer 2
-
£165 GBP
View
Final sale: no returns
A
Retailer 3
-
£183 GBP
View
B+
Retailer 4
-
£271 GBP
View
A
Retailer 5
-
£291 GBP
View
A
Retailer 6
-
£296 GBP
View
B+
Retailer 7
-
£325 GBP
View
B+
Retailer 8
-
£483 GBP
View
B
Retailer 9
-
£568 GBP
View
B
Retailer 10
-
£649 GBP
View
B
Retailer 11
-
£670 GBP
View
B
Retailer 12
-
£776 GBP
View
B
Retailer 13
-
£808 GBP
View
Most Expensive
B
Do Amore Diamonds
27-23AEA9D6C · Nov 6
£1,412 GBP
$1,900 USD
View
13 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