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Princess|Natural|GIA

1.21ct J SI2 Princess Natural Diamond

EX • J/SI2 • GIA 1559610694

Certificate GIA 1559610694

Diamond specifications and retailer prices

From £1,033 GBP
As of November 5, 2026
Save £693 GBP (40%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,726 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 1559610694. Listed at 12 retailers as of November 5, 2026, with prices from £1,033 to £1,726, a £693 spread on the same certified stone. Wholesale Diamonds Direct lists it at £1,726. 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 angle24.21°
Pavilion angle40.42°
OriginNatural
Grading LabGIA
CertificateGIA 1559610694
Dimensions5.92 × 5.82 × 4.24 mm
L/W Ratio1.02
Culet sizeNone
Top View
5.92 mm5.82 mm1.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559610694
Side View
Table 74.0%Crown 24.21°Girdle: MED-STKPavilion 40.42°Culet: NoneDepth 72.7%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £1,195 GBP|Low: £1,027 GBP|High: £1,828 GBP|Avg: £1,301 GBP|-5.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
November 6, 2026
Retailer 6£1,033 GBP
Retailer 7£1,037 GBP
Retailer 8£1,056 GBP
Retailer 2£1,130 GBP
Retailer 5£1,148 GBP
Retailer 1£1,195 GBP
Retailer 9£1,258 GBP
Retailer 10£1,417 GBP
Retailer 3£1,464 GBP
Retailer 4£1,484 GBP
Wholesale Diamonds Direct£1,726 GBP

32 data points across 11 retailers

12 retailers£1,033 GBP to £1,726 GBP

A
Cheapest Retailer
-
£1,033 GBP
A
Retailer 2
-
£1,037 GBP
View
A
Retailer 3
-
£1,056 GBP
View
A
Retailer 4
-
£1,130 GBP
View
A
Retailer 5
-
£1,148 GBP
View
A
Retailer 6
-
£1,195 GBP
View
B+
Retailer 7
-
£1,258 GBP
View
B+
Retailer 8
-
£1,329 GBP
View
B+
Retailer 9
-
£1,417 GBP
View
B+
Retailer 10
-
£1,464 GBP
View
B+
Retailer 11
-
£1,484 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
323791760 · Nov 6
£1,726 GBP
$2,311 USD
View
11 more retailers have this diamond
Prices start from £1,033 GBPSave up to £693 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
1.21ct Princess
£1,033 GBP