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Princess|Natural|GIA

1.20ct J SI1 Princess Natural Diamond

ID • J/SI1 • GIA 7431018807

Certificate GIA 7431018807

Diamond specifications and retailer prices

From £1,414 GBP
HK$14,800 HKD
As of November 1, 2026
Save £2,570 GBP (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,984 GBP at NZ Jewellers · As of October 30, 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 7431018807. Listed at 19 retailers as of October 30, 2026, with prices from £1,414 to £3,984, a £2,570 spread on the same certified stone. NZ Jewellers lists it at £3,984. 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 7431018807
Dimensions5.83 × 5.81 × 4.27 mm
L/W Ratio1.00
Top View
5.83 mm5.81 mm1.20 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7431018807
Side View
Table 73.0%CrownGirdle: ThickPavilionCulet: NoneDepth 73.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £3,984 GBP|Low: £1,404 GBP|High: £4,148 GBP|Avg: £2,176 GBP|-4.0%
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
Retailer 19
Retailer 20
November 2, 2026
Retailer 16£1,414 GBP
Retailer 12£1,705 GBP
Retailer 9£1,721 GBP
Retailer 18£1,724 GBP
Retailer 8£1,759 GBP
Retailer 6£1,785 GBP
Retailer 2£1,859 GBP
Retailer 5£1,905 GBP
Retailer 20£1,905 GBP
Retailer 10£1,973 GBP
Retailer 3£1,993 GBP
Retailer 4£2,011 GBP
Retailer 14£2,037 GBP
Retailer 7£2,075 GBP
Retailer 19£2,199 GBP
Retailer 11£2,223 GBP
Retailer 17£2,342 GBP
Retailer 13£2,379 GBP
Retailer 15£3,339 GBP
NZ Jewellers£3,984 GBP

27 data points across 20 retailers

19 retailers£1,414 GBP to £3,984 GBP

B+
Cheapest Retailer
-
£1,414 GBP
HK$14,800 HKD
B+
Retailer 2
-
£1,721 GBP
$2,306 USD
View
B+
Retailer 3
-
£1,724 GBP
$2,310 USD
View
B+
Retailer 4
-
£1,759 GBP
$2,357 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,785 GBP
$2,392 USD
View
B
Retailer 6
-
£1,859 GBP
View
B
Retailer 7
-
£1,905 GBP
$2,553 USD
View
B
Retailer 8
-
£1,905 GBP
$2,553 USD
View
Retailer 9
-
£1,973 GBP
SGD 3,572 SGD
View
Price last confirmed 7 days ago
B
Retailer 10
-
£1,993 GBP
$2,671 USD
View
B
Retailer 11
-
£2,011 GBP
$2,694 USD
View
B
Retailer 12
-
£2,037 GBP
View
B
Retailer 13
-
£2,075 GBP
$2,780 USD
View
B
Retailer 14
-
£2,199 GBP
$2,946 USD
View
Retailer 15
-
£2,223 GBP
A$4,583 AUD
View
Price last confirmed 25 days ago
B
Retailer 16
-
£2,342 GBP
ZAR 50,705 ZAR
View
B
Retailer 17
-
£2,379 GBP
€3,036 EUR
View
B
Retailer 18
-
£3,339 GBP
View
Most Expensive
B
NZ Jewellers
24c935f3-b5d1-47f6-a2f2-9fb1ccfce1fb · Oct 30
£3,984 GBP
$5,338 USD
View
18 more retailers have this diamond
Prices start from £1,414 GBPSave up to £2,570 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
£1,414 GBP