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Princess|Natural|GIA

1.21ct J SI2 Princess Natural Diamond

EX • J/SI2 • GIA 1525007141

Certificate GIA 1525007141

Diamond specifications and retailer prices

From £1,382 GBP
As of November 1, 2026
Save £2,234 GBP (62%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,616 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.21ct natural princess diamond

This 1.21ct natural princess sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1525007141. Listed at 18 retailers as of November 1, 2026, with prices from £1,382 to £3,616, a £2,234 spread on the same certified stone. NZ Jewellers lists it at £3,616. 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

1.21
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.15°
Pavilion angle37.46°
OriginNatural
Grading LabGIA
CertificateGIA 1525007141
Dimensions5.92 × 5.81 × 4.01 mm
L/W Ratio1.02
Culet sizeNone
Top View
5.92 mm5.81 mm1.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1525007141
Side View
Table 74.0%Crown 25.15°Girdle: ThickPavilion 37.46°Culet: NoneDepth 69.1%

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 1
Current: £3,616 GBP|Low: £1,244 GBP|High: £3,616 GBP|Avg: £1,988 GBP
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
November 5, 2026
Retailer 10£1,382 GBP
Retailer 6£1,415 GBP
Retailer 11£1,446 GBP
Retailer 9£1,525 GBP
Retailer 5£1,567 GBP
Retailer 13£1,567 GBP
Retailer 12£1,639 GBP
Retailer 4£1,698 GBP
Retailer 3£1,808 GBP
Retailer 2£1,879 GBP
Retailer 8£2,151 GBP
Retailer 7£3,021 GBP
NZ Jewellers£3,616 GBP

43 data points across 13 retailers

18 retailers£1,382 GBP to £3,616 GBP

B+
Cheapest Retailer
-
£1,382 GBP
B+
Retailer 2
-
£1,408 GBP
View
B+
Retailer 3
-
£1,415 GBP
View
B+
Retailer 4
-
£1,446 GBP
View
Final sale: no returns
B+
Retailer 5
-
£1,525 GBP
View
Retailer 6
-
£1,567 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£1,567 GBP
View
B
Retailer 8
-
£1,609 GBP
View
B
Retailer 9
-
£1,639 GBP
View
B+
Retailer 10
-
£1,698 GBP
View
B
Retailer 11
-
£1,786 GBP
View
B
Retailer 12
-
£1,786 GBP
View
B
Retailer 13
-
£1,808 GBP
View
B
Retailer 14
-
£1,845 GBP
View
B
Retailer 15
-
£1,879 GBP
View
B
Retailer 16
-
£2,151 GBP
View
B
Retailer 17
-
£3,021 GBP
View
Most Expensive
B
NZ Jewellers
d770c226-027e-4cc0-8997-6631996f2227 · Nov 2
£3,616 GBP
$4,840 USD
View
17 more retailers have this diamond
Prices start from £1,382 GBPSave up to £2,234 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+
1.21ct Princess
£1,382 GBP