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Princess|Natural|GIA

1.21ct I SI2 Princess Natural Diamond

EX • I/SI2 • GIA 6231223151

Certificate GIA 6231223151

Diamond specifications and retailer prices

From £5,013 GBP
As of November 6, 2026
3 retailers carry this diamond
Most expensive: £5,737 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6231223151. Listed at 3 retailers as of November 6, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.21
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6231223151
Dimensions5.79 × 5.71 × 3.94 mm
L/W Ratio1.01
Top View
5.79 mm5.71 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6231223151
Side View
Table 71.0%CrownGirdle: STK-THKPavilionCuletDepth 69.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £5,013 GBP|Low: £4,182 GBP|High: £7,871 GBP|Avg: £5,698 GBP|+0.5%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 6, 2026
Retailer 3£4,182 GBP
Retailer 1£5,013 GBP
Yorxs£5,737 GBP
Retailer 2£7,757 GBP

43 data points across 4 retailers

3 retailers

B
Cheapest Retailer
-
£5,013 GBP
Most Expensive
Yorxs
A49873068 · Nov 6
£5,737 GBP
€7,313 EUR
View
Price under review
1 more retailer has this diamond
Prices start from £5,013 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
£5,013 GBP