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Princess|Natural|GIA

1.51ct K SI2 Princess Natural Diamond

EX • K/SI2 • GIA 6243097257

Certificate GIA 6243097257

Diamond specifications and retailer prices

From £1,834 GBP
As of November 5, 2026
Save £1,453 GBP (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,288 GBP at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

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 6243097257. Listed at 12 retailers as of November 4, 2026, with prices from £1,834 to £3,288, a £1,453 spread on the same certified stone. Wholesale Diamonds Direct lists it at £3,288. 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
SymmetryVery Good
FluorescenceNone
Crown angle22.97°
Pavilion angle40.74°
OriginNatural
Grading LabGIA
CertificateGIA 6243097257
Dimensions6.39 × 6.28 × 4.57 mm
L/W Ratio1.02
Culet sizeNone
Top View
6.39 mm6.28 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6243097257
Side View
Table 74.0%Crown 22.97°Girdle: Slightly ThickPavilion 40.74°Culet: NDepth 72.7%

Caratlytics Score

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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 5
Current: £2,795 GBP|Low: £1,831 GBP|High: £3,288 GBP|Avg: £2,305 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 6£1,834 GBP
Retailer 10£1,947 GBP
Retailer 7£1,965 GBP
Retailer 11£1,982 GBP
Retailer 5£2,118 GBP
Retailer 8£2,118 GBP
Retailer 3£2,158 GBP
Retailer 9£2,320 GBP
Retailer 4£2,382 GBP
Retailer 2£2,401 GBP
Retailer 1£2,795 GBP
Wholesale Diamonds Direct£3,288 GBP

18 data points across 12 retailers

12 retailers£1,834 GBP to £3,288 GBP

A
Cheapest Retailer
-
£1,834 GBP
A
Retailer 2
-
£1,947 GBP
View
A
Retailer 3
-
£1,965 GBP
View
A
Retailer 4
-
£1,982 GBP
View
A
Retailer 5
-
£2,118 GBP
View
A
Retailer 6
-
£2,118 GBP
View
B+
Retailer 7
-
£2,158 GBP
View
B+
Retailer 8
-
£2,320 GBP
View
B+
Retailer 9
-
£2,382 GBP
View
B+
Retailer 10
-
£2,401 GBP
View
B+
Retailer 11
-
£2,795 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
578204078 · Nov 4
£3,288 GBP
$4,425 USD
View
11 more retailers have this diamond
Prices start from £1,834 GBPSave up to £1,453 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
£1,834 GBP