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Princess|Natural|GIA

1.51ct J SI2 Princess Natural Diamond

EX • J/SI2 • GIA 1557233450

Certificate GIA 1557233450

Diamond specifications and retailer prices

From £1,597 GBP
As of November 6, 2026
Save £2,107 GBP (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,705 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1557233450. Listed at 11 retailers as of November 4, 2026, with prices from £1,597 to £3,705, a £2,107 spread on the same certified stone. MOH London lists it at £3,705. 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

1.51
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1557233450
Dimensions6.36 × 6.29 × 4.39 mm
L/W Ratio1.01
Top View
6.36 mm6.29 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1557233450
Side View
Table 72.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.8%

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: £3,705 GBP|Low: £1,597 GBP|High: £3,705 GBP|Avg: £2,300 GBP|+3.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7£1,597 GBP
Retailer 2£1,708 GBP
Retailer 10£1,983 GBP
Retailer 11£2,123 GBP
Retailer 4£2,219 GBP
Retailer 8£2,225 GBP
Retailer 6£2,230 GBP
Retailer 9£2,303 GBP
Retailer 5£2,468 GBP
Retailer 3£2,544 GBP
MOH London£3,705 GBP

12 data points across 11 retailers

11 retailers£1,597 GBP to £3,705 GBP

A
Cheapest Retailer
-
£1,597 GBP
A
Retailer 2
-
£1,708 GBP
View
B+
Retailer 3
-
£1,924 GBP
View
A
Retailer 4
-
£1,983 GBP
View
A
Retailer 5
-
£2,123 GBP
View
B+
Retailer 6
-
£2,219 GBP
View
B+
Retailer 7
-
£2,225 GBP
View
A
Retailer 8
-
£2,230 GBP
View
B+
Retailer 9
-
£2,303 GBP
View
B+
Retailer 10
-
£2,468 GBP
View
Most Expensive
B
MOH London
229B7BE58 · Nov 4
£3,705 GBP
View
10 more retailers have this diamond
Prices start from £1,597 GBPSave up to £2,107 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
1.51ct Princess
£1,597 GBP