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Princess|Natural|IGI

1.21ct G SI2 Princess Natural Diamond

VG • G/SI2 • IGI 847608179

Shape and cutting style on the report: Princess cut

Certificate IGI 847608179

Diamond specifications and retailer prices

From £1,173 GBP
As of November 6, 2026
Save £929 GBP (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,102 GBP at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

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 847608179. Listed at 6 retailers as of November 6, 2026, with prices from £1,173 to £2,102, a £929 spread on the same certified stone. Helzberg Diamonds lists it at £2,102. 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 angle47.7°
Pavilion angle38.9°
OriginNatural
Grading LabIGI
CertificateIGI 847608179
Dimensions5.76 × 5.72 × 4.21 mm
L/W Ratio1.01
Top View
5.76 mm5.72 mm1.21 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 847608179
Side View
Table 72.0%Crown 47.7°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 73.6%

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 6
Current: £2,102 GBP|Low: £1,173 GBP|High: £2,178 GBP|Avg: £1,530 GBP|-3.5%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2£1,173 GBP
Retailer 6£1,214 GBP
Retailer 4£1,337 GBP
Retailer 5£1,558 GBP
Retailer 3£1,969 GBP
Helzberg Diamonds£2,102 GBP

5 data points across 6 retailers

6 retailers£1,173 GBP to £2,102 GBP

A
Cheapest Retailer
-
£1,173 GBP
A
Retailer 2
-
£1,214 GBP
View
A
Retailer 3
-
£1,337 GBP
View
B+
Retailer 4
-
£1,558 GBP
View
B+
Retailer 5
-
£1,969 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOKNMGOHNP · Nov 6
£2,102 GBP
$2,813 USD
View
5 more retailers have this diamond
Prices start from £1,173 GBPSave up to £929 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
£1,173 GBP