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Princess|Natural|GIA

1.51ct K SI2 Princess Natural Diamond

EX • K/SI2 • GIA 6512968972

Certificate GIA 6512968972

Diamond specifications and retailer prices

From £1,661 GBP
As of November 1, 2026
Save £2,713 GBP (62%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,373 GBP at NZ Jewellers · As of November 2, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6512968972. Listed at 14 retailers as of November 1, 2026, with prices from £1,661 to £4,373, a £2,713 spread on the same certified stone. NZ Jewellers lists it at £4,373. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6512968972
Dimensions6.18 × 6.01 × 4.40 mm
L/W Ratio1.03
Top View
6.18 mm6.01 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512968972
Side View
Table 72.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 73.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £2,084 GBP|Low: £1,661 GBP|High: £3,709 GBP|Avg: £2,337 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6£1,661 GBP
Retailer 7£1,844 GBP
Retailer 2£1,926 GBP
Retailer 8£1,982 GBP
Retailer 1£2,084 GBP
Retailer 4£2,214 GBP
Retailer 3£2,441 GBP
Retailer 5£3,664 GBP

42 data points across 8 retailers

14 retailers£1,661 GBP to £4,373 GBP

A
Cheapest Retailer
-
£1,661 GBP
A
Retailer 2
-
£1,712 GBP
View
A
Retailer 3
-
£1,844 GBP
View
Retailer 4
-
£1,895 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£1,895 GBP
View
A
Retailer 6
-
£1,926 GBP
View
A
Retailer 7
-
£1,982 GBP
View
A
Retailer 8
-
£2,022 GBP
View
A
Retailer 9
-
£2,084 GBP
View
B+
Retailer 10
-
£2,187 GBP
View
A
Retailer 11
-
£2,214 GBP
View
B+
Retailer 12
-
£2,441 GBP
View
B
Retailer 13
-
£3,664 GBP
View
Most Expensive
B
NZ Jewellers
9ca6744f-eda0-4573-92d9-c9abf97926ad · Nov 2
£4,373 GBP
$5,886 USD
View
13 more retailers have this diamond
Prices start from £1,661 GBPSave up to £2,713 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
£1,661 GBP