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Princess|Natural|IGI

1.20ct F SI2 Princess Natural Diamond

VG • F/SI2 • IGI 847608097

Shape and cutting style on the report: Princess cut

Certificate IGI 847608097

Diamond specifications and retailer prices

From £1,616 GBP
As of November 4, 2026
Save £1,306 GBP (45%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,922 GBP at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.2ct natural princess diamond

This 1.2ct natural princess sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 847608097. Listed at 6 retailers as of November 4, 2026, with prices from £1,616 to £2,922, a £1,306 spread on the same certified stone. Helzberg Diamonds lists it at £2,922. 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
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.8°
Pavilion angle37.2°
OriginNatural
Grading LabIGI
CertificateIGI 847608097
Dimensions5.66 × 5.63 × 4.20 mm
L/W Ratio1.01
Culet sizeLarge
Top View
5.66 mm5.63 mm1.20 ctF / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 847608097
Side View
Table 69.0%Crown 51.8°Girdle: Slightly ThickPavilion 37.2°Culet: LargeDepth 74.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £2,922 GBP|Low: £1,616 GBP|High: £2,922 GBP|Avg: £2,052 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5£1,616 GBP
Retailer 4£1,629 GBP
Retailer 6£2,036 GBP
Retailer 2£2,090 GBP
Retailer 3£2,692 GBP
Helzberg Diamonds£2,922 GBP

5 data points across 6 retailers

6 retailers£1,616 GBP to £2,922 GBP

A
Cheapest Retailer
-
£1,616 GBP
A
Retailer 2
-
£1,629 GBP
View
B+
Retailer 3
-
£2,036 GBP
View
B+
Retailer 4
-
£2,090 GBP
View
B
Retailer 5
-
£2,692 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOKNMGOGPN · Nov 6
£2,922 GBP
$3,911 USD
View
5 more retailers have this diamond
Prices start from £1,616 GBPSave up to £1,306 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
£1,616 GBP