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Princess|Natural|GIA

1.51ct J SI2 Princess Natural Diamond

EX • J/SI2 • GIA 1507926804

Certificate GIA 1507926804

Diamond specifications and retailer prices

From £2,630 GBP
As of November 4, 2026
Save £3,256 GBP (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £5,886 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 1507926804. Listed at 19 retailers as of November 4, 2026, with prices from £2,630 to £5,886, a £3,256 spread on the same certified stone. NZ Jewellers lists it at £5,886. 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
Crown angle26.74°
Pavilion angle39.22°
OriginNatural
Grading LabGIA
CertificateGIA 1507926804
Dimensions6.27 × 6.19 × 4.49 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.27 mm6.19 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1507926804
Side View
Table 73.0%Crown 26.74°Girdle: STK-VTKPavilion 39.22°Culet: NoneDepth 72.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £5,886 GBP|Low: £2,390 GBP|High: £5,886 GBP|Avg: £3,507 GBP|+2.3%
NZ Jewellers
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
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 13£2,630 GBP
Retailer 6£2,662 GBP
Retailer 16£2,693 GBP
Retailer 8£2,825 GBP
Retailer 14£2,901 GBP
Retailer 7£3,049 GBP
Retailer 5£3,061 GBP
Retailer 9£3,061 GBP
Retailer 15£3,061 GBP
Retailer 4£3,373 GBP
Retailer 17£3,373 GBP
Retailer 10£3,422 GBP
Retailer 3£3,485 GBP
Retailer 11£3,498 GBP
Retailer 2£3,765 GBP
Retailer 12£5,367 GBP
NZ Jewellers£5,886 GBP

45 data points across 17 retailers

19 retailers£2,630 GBP to £5,886 GBP

B+
Cheapest Retailer
-
£2,630 GBP
B+
Retailer 2
-
£2,662 GBP
View
B+
Retailer 3
-
£2,693 GBP
View
B+
Retailer 4
-
£2,799 GBP
View
B+
Retailer 5
-
£2,825 GBP
View
Final sale: no returns
B+
Retailer 6
-
£2,901 GBP
View
B
Retailer 7
-
£3,049 GBP
View
Retailer 8
-
£3,061 GBP
View
Price last confirmed 8 days ago
B
Retailer 9
-
£3,061 GBP
View
B
Retailer 10
-
£3,061 GBP
View
B
Retailer 11
-
£3,104 GBP
View
B
Retailer 12
-
£3,373 GBP
View
B
Retailer 13
-
£3,373 GBP
View
B+
Retailer 14
-
£3,422 GBP
View
B
Retailer 15
-
£3,485 GBP
View
B
Retailer 16
-
£3,498 GBP
View
B
Retailer 17
-
£3,765 GBP
View
B
Retailer 18
-
£5,367 GBP
View
Most Expensive
B
NZ Jewellers
91ee2e12-cab4-4892-97ef-6e476d2e1ac2 · Nov 5
£5,886 GBP
$7,922 USD
View
18 more retailers have this diamond
Prices start from £2,630 GBPSave up to £3,256 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.

B+
1.51ct Princess
£2,630 GBP