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Princess|Natural|GIA

1.51ct F SI1 Princess Natural Diamond

EX • F/SI1 • GIA 1529273808

Certificate GIA 1529273808

Diamond specifications and retailer prices

From £3,145 GBP
$4,220 USD
As of November 1, 2026
Save £3,649 GBP (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £6,794 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1529273808. Listed at 19 retailers as of November 1, 2026, with prices from £3,145 to £6,794, a £3,649 spread on the same certified stone. NZ Jewellers lists it at £6,794. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1529273808
Dimensions6.18 × 6.12 × 4.42 mm
L/W Ratio1.01
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.18 mm6.12 mm1.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1529273808
Side View
Table 70.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 72.2%

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 1
Current: £3,963 GBP|Low: £3,145 GBP|High: £6,547 GBP|Avg: £4,238 GBP|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 7£3,145 GBP
Retailer 10£3,234 GBP
Retailer 8£3,456 GBP
Retailer 2£3,680 GBP
Retailer 3£3,800 GBP
Retailer 1£3,963 GBP
Retailer 9£4,095 GBP
Retailer 4£4,596 GBP
Retailer 6£4,993 GBP
Retailer 5£6,470 GBP

41 data points across 10 retailers

19 retailers£3,145 GBP to £6,794 GBP

A
Cheapest Retailer
-
£3,145 GBP
$4,220 USD
A
Retailer 2
-
£3,209 GBP
$4,306 USD
View
A
Retailer 3
-
£3,234 GBP
$4,340 USD
View
Final sale: no returns
A
Retailer 4
-
£3,341 GBP
$4,483 USD
View
A
Retailer 5
-
£3,349 GBP
A$6,914 AUD
View
A
Retailer 6
-
£3,456 GBP
$4,638 USD
View
A
Retailer 7
-
£3,465 GBP
$4,650 USD
View
A
Retailer 8
-
£3,680 GBP
$4,938 USD
View
A
Retailer 9
-
£3,680 GBP
$4,938 USD
View
A
Retailer 10
-
£3,680 GBP
$4,938 USD
View
A
Retailer 11
-
£3,782 GBP
A$7,808 AUD
View
A
Retailer 12
-
£3,800 GBP
View
A
Retailer 13
-
£3,963 GBP
View
Retailer 14
-
£4,095 GBP
A$8,454 AUD
View
Price last confirmed 24 days ago
B+
Retailer 15
-
£4,246 GBP
$5,698 USD
View
B+
Retailer 16
-
£4,596 GBP
€5,874 EUR
View
B+
Retailer 17
-
£4,993 GBP
ZAR 108,244 ZAR
View
B
Retailer 18
-
£6,470 GBP
View
Most Expensive
B
NZ Jewellers
b63269db-a7e9-4f78-8168-6beceff26d4a · Nov 2
£6,794 GBP
$9,117 USD
View
18 more retailers have this diamond
Prices start from £3,145 GBPSave up to £3,649 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
£3,145 GBP