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Princess|Natural|GIA

1.20ct J SI2 Princess Natural Diamond

EX • J/SI2 • GIA 2427473561

Certificate GIA 2427473561

Diamond specifications and retailer prices

From £1,940 GBP
As of November 4, 2026
Save £1,011 GBP (34%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,951 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.2ct natural princess diamond

This 1.2ct 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 2427473561. Listed at 10 retailers as of November 4, 2026, with prices from £1,940 to £2,951, a £1,011 spread on the same certified stone. 77 Diamonds lists it at £2,951. 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

1.20
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2427473561
Dimensions5.69 × 5.68 × 4.25 mm
L/W Ratio1.00
Top View
5.69 mm5.68 mm1.20 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2427473561
Side View
Table 71.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 74.8%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £2,951 GBP|Low: £1,824 GBP|High: £2,987 GBP|Avg: £2,287 GBP|+1.0%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10£1,824 GBP
Retailer 7£1,940 GBP
Retailer 4£1,969 GBP
Retailer 6£1,972 GBP
Retailer 2£2,334 GBP
Retailer 3£2,398 GBP
Retailer 5£2,412 GBP
Retailer 8£2,533 GBP
Retailer 9£2,533 GBP
77 Diamonds£2,951 GBP

31 data points across 10 retailers

10 retailers£1,940 GBP to £2,951 GBP

B
Cheapest Retailer
-
£1,940 GBP
B
Retailer 2
-
£1,969 GBP
View
B
Retailer 3
-
£1,972 GBP
View
B
Retailer 4
-
£2,334 GBP
View
B
Retailer 5
-
£2,398 GBP
View
B
Retailer 6
-
£2,412 GBP
View
B
Retailer 7
-
£2,533 GBP
View
B
Retailer 8
-
£2,533 GBP
View
B
Retailer 9
-
£2,615 GBP
View
Most Expensive
B
77 Diamonds
PRIZSEMYMTAH · Nov 6
£2,951 GBP
View
9 more retailers have this diamond
Prices start from £1,940 GBPSave up to £1,011 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
1.20ct Princess
£1,940 GBP