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Princess|Natural|GIA

1.20ct J SI1 Princess Natural Diamond

ID • J/SI1 • GIA 7551051141

Certificate GIA 7551051141

Diamond specifications and retailer prices

From £1,118 GBP
HK$11,700 HKD
As of November 1, 2026
Save £1,488 GBP (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,606 GBP at MOH London · As of November 1, 2026
View at MOH London

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 7551051141. Listed at 14 retailers as of November 1, 2026, with prices from £1,118 to £2,606, a £1,488 spread on the same certified stone. MOH London lists it at £2,606. 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 7551051141
Dimensions5.81 × 5.77 × 4.02 mm
L/W Ratio1.01
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Pinpoint
Top View
5.81 mm5.77 mm1.20 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7551051141
Side View
Table 70.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.6%

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: Nov 1
Current: £2,606 GBP|Low: £1,108 GBP|High: £2,620 GBP|Avg: £1,575 GBP|-0.1%
MOH London
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
November 1, 2026
Retailer 10£1,118 GBP
Retailer 2£1,182 GBP
Retailer 15£1,372 GBP
Retailer 11£1,433 GBP
Retailer 14£1,434 GBP
Retailer 6£1,516 GBP
Retailer 7£1,516 GBP
Retailer 5£1,547 GBP
Retailer 3£1,550 GBP
Retailer 4£1,552 GBP
Retailer 8£1,575 GBP
Retailer 9£1,631 GBP
Retailer 12£1,828 GBP
Retailer 13£2,031 GBP
MOH London£2,606 GBP

7 data points across 15 retailers

14 retailers£1,118 GBP to £2,606 GBP

A
Cheapest Retailer
-
£1,118 GBP
HK$11,700 HKD
A
Retailer 2
-
£1,182 GBP
₹150,799 INR
View
B+
Retailer 3
-
£1,372 GBP
$1,838 USD
View
Final sale: no returns
B+
Retailer 4
-
£1,433 GBP
$1,920 USD
View
B+
Retailer 5
-
£1,434 GBP
$1,922 USD
View
B+
Retailer 6
-
£1,547 GBP
A$3,188 AUD
View
B+
Retailer 7
-
£1,550 GBP
SGD 2,807 SGD
View
B+
Retailer 8
-
£1,552 GBP
$2,080 USD
View
B+
Retailer 9
-
£1,575 GBP
$2,111 USD
View
B
Retailer 10
-
£1,631 GBP
View
Retailer 11
-
£1,749 GBP
$2,344 USD
View
Price last confirmed 47 days ago
B
Retailer 12
-
£1,828 GBP
ZAR 39,572 ZAR
View
B
Retailer 13
-
£2,031 GBP
€2,592 EUR
View
Most Expensive
B
MOH London
82AF01F73 · Nov 1
£2,606 GBP
View
13 more retailers have this diamond
Prices start from £1,118 GBPSave up to £1,488 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
£1,118 GBP