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Princess|Natural|IGI

1.20ct I SI2 Princess Natural Diamond

VG • I/SI2 • IGI 816642479

Shape and cutting style on the report: Princess cut

Certificate IGI 816642479

Diamond specifications and retailer prices

From £807 GBP
As of November 6, 2026
Save £1,839 GBP (70%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,646 GBP at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 816642479. Listed at 13 retailers as of November 5, 2026, with prices from £807 to £2,646, a £1,839 spread on the same certified stone. NZ Jewellers lists it at £2,646. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle42°
OriginNatural
Grading LabIGI
CertificateIGI 816642479
Dimensions5.97 × 5.90 × 4.28 mm
L/W Ratio1.01
Top View
5.97 mm5.90 mm1.20 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 816642479
Side View
Table 73.0%Crown 35.1°Girdle: MED-STKPavilion 42°Culet: NoneDepth 72.5%

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 6
Current: £2,646 GBP|Low: £807 GBP|High: £2,646 GBP|Avg: £1,336 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2£807 GBP
Retailer 3£1,006 GBP
Retailer 9£1,085 GBP
Retailer 12£1,085 GBP
Retailer 11£1,132 GBP
Retailer 8£1,135 GBP
Retailer 4£1,203 GBP
Retailer 7£1,203 GBP
Retailer 10£1,251 GBP
Retailer 5£1,502 GBP
Retailer 6£1,900 GBP
NZ Jewellers£2,646 GBP

45 data points across 12 retailers

13 retailers£807 GBP to £2,646 GBP

A
Cheapest Retailer
-
£807 GBP
B+
Retailer 2
-
£1,006 GBP
View
B+
Retailer 3
-
£1,085 GBP
View
Retailer 4
-
£1,085 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£1,132 GBP
View
B+
Retailer 6
-
£1,135 GBP
View
B+
Retailer 7
-
£1,186 GBP
View
B+
Retailer 8
-
£1,203 GBP
View
B+
Retailer 9
-
£1,203 GBP
View
B+
Retailer 10
-
£1,251 GBP
View
B+
Retailer 11
-
£1,502 GBP
View
B+
Retailer 12
-
£1,900 GBP
View
Most Expensive
B
NZ Jewellers
518cbd29-ff62-47b2-8266-db44f67bdf6d · Nov 5
£2,646 GBP
$3,541 USD
View
12 more retailers have this diamond
Prices start from £807 GBPSave up to £1,839 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
£807 GBP