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Princess|Natural|IGI

1.21ct G SI2 Princess Natural Diamond

VG • G/SI2 • IGI 803677586

Shape and cutting style on the report: Princess cut

Certificate IGI 803677586

Diamond specifications and retailer prices

From £823 GBP
As of November 6, 2026
Save £1,106 GBP (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,929 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.21ct natural princess diamond

This 1.21ct natural princess sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 803677586. Listed at 12 retailers as of November 4, 2026, with prices from £823 to £1,929, a £1,106 spread on the same certified stone. MOH London lists it at £1,929. 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

1.21
Carat
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47°
Pavilion angle38.2°
OriginNatural
Grading LabIGI
CertificateIGI 803677586
Dimensions5.72 × 5.69 × 4.17 mm
L/W Ratio1.01
Top View
5.72 mm5.69 mm1.21 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803677586
Side View
Table 71.0%Crown 47°Girdle: MediumPavilion 38.2°Culet: NoneDepth 73.3%

Caratlytics Score

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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 6
Current: £1,929 GBP|Low: £640 GBP|High: £1,944 GBP|Avg: £1,067 GBP|-0.8%
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
November 6, 2026
Retailer 5£640 GBP
Retailer 11£822 GBP
Retailer 2£823 GBP
Retailer 14£824 GBP
Retailer 13£882 GBP
Retailer 10£1,018 GBP
Retailer 4£1,035 GBP
Retailer 7£1,085 GBP
Retailer 3£1,154 GBP
Retailer 9£1,205 GBP
Retailer 6£1,349 GBP
Retailer 12£1,360 GBP
Retailer 8£1,425 GBP
MOH London£1,929 GBP

32 data points across 14 retailers

12 retailers£823 GBP to £1,929 GBP

Retailer 1
-
£822 GBP
Price last confirmed 20 days ago
A
Retailer 2
-
£823 GBP
View
Retailer 3
-
£824 GBP
View
Price last confirmed 18 days ago
Retailer 4
-
£882 GBP
View
Price last confirmed 20 days ago
A
Retailer 5
-
£953 GBP
View
A
Retailer 6
-
£1,018 GBP
View
Final sale: no returns
A
Retailer 7
-
£1,085 GBP
View
A
Retailer 8
-
£1,090 GBP
View
B+
Retailer 9
-
£1,205 GBP
View
Retailer 10
-
£1,360 GBP
View
Price last confirmed 22 days ago
A
Retailer 11
-
£1,425 GBP
View
Most Expensive
B+
MOH London
53787DBAC · Nov 4
£1,929 GBP
View
11 more retailers have this diamond
Prices start from £823 GBPSave up to £1,106 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
1.21ct Princess
£823 GBP