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Princess|Natural|GIA

1.00ct J SI1 Princess Natural Diamond

ID • J/SI1 • GIA 1545288724

Certificate GIA 1545288724

Diamond specifications and retailer prices

From £972 GBP
$1,302 USD
As of October 30, 2026
Save £2,005 GBP (67%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,976 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural princess diamond

This 1ct natural princess sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545288724. Listed at 17 retailers as of October 30, 2026, with prices from £972 to £2,976, a £2,005 spread on the same certified stone. NZ Jewellers lists it at £2,976. 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

1.00
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545288724
Dimensions5.59 × 5.51 × 3.94 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Pinpoint, Natural
Top View
5.59 mm5.51 mm1.00 ctJ / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1545288724
Side View
Table 72.0%CrownGirdle: ThickPavilionCulet: NoneDepth 71.6%

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: Oct 30
Current: £2,976 GBP|Low: £843 GBP|High: £2,976 GBP|Avg: £1,361 GBP|+1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 4£972 GBP
Retailer 18£1,011 GBP
Retailer 5£1,104 GBP
Retailer 14£1,105 GBP
Retailer 16£1,105 GBP
Retailer 10£1,123 GBP
Retailer 6£1,134 GBP
Retailer 15£1,157 GBP
Retailer 2£1,190 GBP
Retailer 3£1,231 GBP
Retailer 17£1,275 GBP
Retailer 7£1,306 GBP
Retailer 8£1,306 GBP
Retailer 9£1,351 GBP
Retailer 12£1,489 GBP
Retailer 13£1,667 GBP
Retailer 11£2,137 GBP
NZ Jewellers£2,976 GBP

36 data points across 18 retailers

17 retailers£972 GBP to £2,976 GBP

A
Cheapest Retailer
-
£972 GBP
$1,302 USD
B+
Retailer 2
-
£1,011 GBP
$1,354 USD
View
Final sale: no returns
B+
Retailer 3
-
£1,104 GBP
$1,479 USD
View
B+
Retailer 4
-
£1,105 GBP
$1,481 USD
View
B+
Retailer 5
-
£1,134 GBP
$1,520 USD
View
B+
Retailer 6
-
£1,157 GBP
$1,550 USD
View
B+
Retailer 7
-
£1,190 GBP
View
B+
Retailer 8
-
£1,231 GBP
$1,650 USD
View
B
Retailer 9
-
£1,275 GBP
$1,709 USD
View
B
Retailer 10
-
£1,306 GBP
$1,750 USD
View
B
Retailer 11
-
£1,306 GBP
$1,750 USD
View
B
Retailer 12
-
£1,351 GBP
$1,810 USD
View
B
Retailer 13
-
£1,489 GBP
ZAR 32,240 ZAR
View
B
Retailer 14
-
£1,667 GBP
€2,127 EUR
View
B
Retailer 15
-
£2,137 GBP
View
Retailer 16
-
£2,948 GBP
$3,950 USD
View
Price last confirmed 11 days ago
Most Expensive
C
NZ Jewellers
d3e081ed-1982-432d-bd01-b89f55d93e38 · Oct 30
£2,976 GBP
$3,988 USD
View
16 more retailers have this diamond
Prices start from £972 GBPSave up to £2,005 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
1.00ct Princess
£972 GBP