Princess|Natural|GIA

1.20ct J SI1 Princess Natural Diamond

ID • J/SI1 • GIA 7546687355

Certificate GIA 7546687355

Diamond specifications and retailer prices

From £1,179 GBP
$1,580 USD
As of October 26, 2026
Save £2,479 GBP (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,659 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7546687355. Listed at 13 retailers as of October 26, 2026, with prices from £1,179 to £3,659, a £2,479 spread on the same certified stone. NZ Jewellers lists it at £3,659. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7546687355
Dimensions5.60 × 5.59 × 4.28 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
5.60 mm5.59 mm1.20 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7546687355
Side View
Table 71.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 76.6%

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 26
Current: £3,659 GBP|Low: £1,101 GBP|High: £3,659 GBP|Avg: £1,653 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
October 27, 2026
Retailer 8£1,101 GBP
Retailer 16£1,179 GBP
Retailer 9£1,249 GBP
Retailer 6£1,325 GBP
Retailer 12£1,346 GBP
Retailer 17£1,346 GBP
Retailer 13£1,408 GBP
Retailer 10£1,468 GBP
Retailer 15£1,499 GBP
Retailer 7£1,524 GBP
Retailer 2£1,568 GBP
Retailer 3£1,590 GBP
Retailer 4£1,590 GBP
Retailer 5£1,642 GBP
Retailer 14£2,016 GBP
Retailer 11£2,607 GBP
NZ Jewellers£3,659 GBP

32 data points across 17 retailers

13 retailers£1,179 GBP to £3,659 GBP

A
Cheapest Retailer
-
£1,179 GBP
$1,580 USD
B+
Retailer 2
-
£1,325 GBP
$1,775 USD
View
Retailer 3
-
£1,346 GBP
$1,803 USD
View
Price last confirmed 7 days ago
Retailer 4
-
£1,408 GBP
$1,887 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
£1,468 GBP
View
B+
Retailer 6
-
£1,499 GBP
$2,009 USD
View
B
Retailer 7
-
£1,568 GBP
$2,101 USD
View
B
Retailer 8
-
£1,590 GBP
$2,130 USD
View
B
Retailer 9
-
£1,590 GBP
$2,130 USD
View
B
Retailer 10
-
£1,642 GBP
$2,200 USD
View
Retailer 11
-
£2,016 GBP
€2,572 EUR
View
Price last confirmed 10 days ago
B
Retailer 12
-
£2,607 GBP
View
Most Expensive
B
NZ Jewellers
eebb0cb2-0878-497f-8be9-54dd6d63cd21 · Oct 27
£3,659 GBP
$4,902 USD
View
12 more retailers have this diamond
Prices start from £1,179 GBPSave up to £2,479 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
1.20ct Princess
£1,179 GBP