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Princess|Natural|GIA

1.51ct D SI2 Princess Natural Diamond

EX • D/SI2 • GIA 6391762151

Certificate GIA 6391762151

Diamond specifications and retailer prices

From £4,743 GBP
As of November 5, 2026
Save £1,855 GBP (28%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £6,598 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6391762151. Listed at 11 retailers as of November 5, 2026, with prices from £4,743 to £6,598, a £1,855 spread on the same certified stone. Jared lists it at £6,598. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6391762151
Dimensions6.45 × 6.33 × 4.58 mm
L/W Ratio1.02
Top View
6.45 mm6.33 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6391762151
Side View
Table 72.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 72.4%

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 5
Current: £6,462 GBP|Low: £4,743 GBP|High: £6,568 GBP|Avg: £5,626 GBP|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12£4,743 GBP
Retailer 7£4,787 GBP
Retailer 11£4,796 GBP
Retailer 9£4,944 GBP
Retailer 5£4,985 GBP
Retailer 10£5,297 GBP
Retailer 6£5,986 GBP
Retailer 8£6,055 GBP
Retailer 2£6,382 GBP
Retailer 3£6,382 GBP
Retailer 1£6,462 GBP
Retailer 4£6,465 GBP

33 data points across 12 retailers

11 retailers£4,743 GBP to £6,598 GBP

B+
Cheapest Retailer
-
£4,743 GBP
B+
Retailer 2
-
£4,787 GBP
View
B+
Retailer 3
-
£4,944 GBP
View
B+
Retailer 4
-
£4,985 GBP
View
B+
Retailer 5
-
£5,297 GBP
View
B+
Retailer 6
-
£5,986 GBP
View
B+
Retailer 7
-
£6,055 GBP
View
B
Retailer 8
-
£6,382 GBP
View
B
Retailer 9
-
£6,382 GBP
View
B+
Retailer 10
-
£6,462 GBP
View
Most Expensive
B
Jared
142798687 · Nov 6
£6,598 GBP
$8,880 USD
View
10 more retailers have this diamond
Prices start from £4,743 GBPSave up to £1,855 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
£4,743 GBP