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Princess|Natural|GIA

1.51ct I SI1 Princess Natural Diamond

EX • I/SI1 • GIA 6531365695

Certificate GIA 6531365695

Diamond specifications and retailer prices

From £2,586 GBP
As of November 6, 2026
Save £1,247 GBP (33%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,833 GBP at Jared · As of November 6, 2026
View at Jared

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6531365695. Listed at 13 retailers as of November 6, 2026, with prices from £2,586 to £3,833, a £1,247 spread on the same certified stone. Jared lists it at £3,833. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle56.71°
OriginNatural
Grading LabGIA
CertificateGIA 6531365695
Dimensions6.34 × 6.22 × 4.58 mm
L/W Ratio1.02
Top View
6.34 mm6.22 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531365695
Side View
Table 75.0%CrownGirdle: ThickPavilion 56.71°Culet: NoneDepth 73.7%

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: £3,833 GBP|Low: £2,551 GBP|High: £3,873 GBP|Avg: £3,286 GBP
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6£2,586 GBP
Retailer 5£2,626 GBP
Retailer 7£3,237 GBP
Retailer 4£3,317 GBP
Retailer 2£3,570 GBP
Retailer 3£3,821 GBP
Jared£3,833 GBP

40 data points across 7 retailers

13 retailers£2,586 GBP to £3,833 GBP

A
Cheapest Retailer
-
£2,586 GBP
A
Retailer 2
-
£2,586 GBP
View
Retailer 3
-
£2,626 GBP
View
Price last confirmed 16 days ago
A
Retailer 4
-
£2,650 GBP
View
A
Retailer 5
-
£2,764 GBP
View
A
Retailer 6
-
£2,787 GBP
View
B+
Retailer 7
-
£3,237 GBP
View
B+
Retailer 8
-
£3,317 GBP
View
B+
Retailer 9
-
£3,437 GBP
View
B+
Retailer 10
-
£3,437 GBP
View
B+
Retailer 11
-
£3,570 GBP
View
B+
Retailer 12
-
£3,821 GBP
View
Most Expensive
B+
Jared
156760452 · Nov 6
£3,833 GBP
$5,130 USD
View
12 more retailers have this diamond
Prices start from £2,586 GBPSave up to £1,247 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
£2,586 GBP