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Princess|Natural|IGI

1.21ct L SI1 Princess Natural Diamond

GD • L/SI1 • IGI 234633726

Shape and cutting style on the report: Princess cut

Certificate IGI 234633726

Diamond specifications and retailer prices

From £821 GBP
As of November 6, 2026
Save £282 GBP (26%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,103 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.21ct natural princess diamond

This 1.21ct natural princess sits in the classic one-carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI 234633726. Listed at 2 retailers as of November 6, 2026, with prices from £821 to £1,103, a £282 spread on the same certified stone. Yorxs lists it at £1,103. 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
L
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceNone
Crown angle32.4°
Pavilion angle39°
OriginNatural
Grading LabIGI
CertificateIGI 234633726
Dimensions5.95 × 5.71 × 4.00 mm
L/W Ratio1.04
Culet sizePointed
Top View
5.95 mm5.71 mm1.21 ctL / SI1
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI 234633726
Side View
Table 81.5%Crown 32.4°Girdle: Very ThickPavilion 39°Culet: NoneDepth 70.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £821 GBP|Low: £821 GBP|High: £1,304 GBP|Avg: £1,019 GBP|-10.9%
Retailer 1
Retailer 2
Yorxs
November 6, 2026
Retailer 1£821 GBP
Retailer 2£947 GBP
Yorxs£1,103 GBP

13 data points across 3 retailers

2 retailers£821 GBP to £1,103 GBP

B+
Cheapest Retailer
-
£821 GBP
Most Expensive
B
Yorxs
6E651DB1B · Nov 6
£1,103 GBP
€1,414 EUR
View
1 more retailer has this diamond
Prices start from £821 GBPSave up to £282 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.

B+
1.21ct Princess
£821 GBP