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Princess|Natural|GIA

1.51ct D SI2 Princess Natural Diamond

EX • D/SI2 • GIA 5566440899

Certificate GIA 5566440899

Diamond specifications and retailer prices

From £3,141 GBP
As of November 6, 2026
Save £2,895 GBP (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £6,036 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 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 5566440899. Listed at 7 retailers as of November 2, 2026, with prices from £3,141 to £6,036, a £2,895 spread on the same certified stone. NZ Jewellers lists it at £6,036. 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
SymmetryVery Good
FluorescenceNone
Crown angle44.59°
Pavilion angle39.2°
OriginNatural
Grading LabGIA
CertificateGIA 5566440899
Dimensions6.38 × 6.19 × 4.50 mm
L/W Ratio1.03
Girdle conditionVery Thick
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.38 mm6.19 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5566440899
Side View
Table 72.0%Crown 44.59°GirdlePavilion 39.2°Culet: NoneDepth 72.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £6,036 GBP|Low: £3,141 GBP|High: £6,036 GBP|Avg: £4,204 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7£3,141 GBP
Retailer 3£3,264 GBP
Retailer 5£3,465 GBP
Retailer 6£3,465 GBP
Retailer 2£4,400 GBP
Retailer 4£5,517 GBP
NZ Jewellers£6,036 GBP

28 data points across 7 retailers

7 retailers£3,141 GBP to £6,036 GBP

A
Cheapest Retailer
-
£3,141 GBP
A
Retailer 2
-
£3,264 GBP
View
A
Retailer 3
-
£3,465 GBP
View
A
Retailer 4
-
£3,465 GBP
View
B+
Retailer 5
-
£4,400 GBP
View
B+
Retailer 6
-
£5,517 GBP
View
Most Expensive
B
NZ Jewellers
7196e216-56a6-4d9a-b1ab-a11b5fde4f8b · Nov 2
£6,036 GBP
$8,124 USD
View
6 more retailers have this diamond
Prices start from £3,141 GBPSave up to £2,895 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
£3,141 GBP