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1.22ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 1307455654

Certificate GIA 1307455654

Diamond specifications and retailer prices

From £1,440 GBP
As of November 6, 2026
Save £613 GBP (30%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £2,053 GBP at Yorxs · As of November 5, 2026
View at Yorxs

About this 1.22ct natural round diamond

This 1.22ct natural round sits in the classic one-carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1307455654. Listed at 2 retailers as of November 5, 2026, with prices from £1,440 to £2,053, a £613 spread on the same certified stone. Yorxs lists it at £2,053. 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

1.22
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1307455654
Dimensions6.83 × 6.85 × 4.24 mm
L/W Ratio1.00
Top View
6.83 mm6.85 mm1.22 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1307455654
Side View
Table 58.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £1,440 GBP|Low: £1,440 GBP|High: £2,077 GBP|Avg: £1,746 GBP
Retailer 1
Yorxs
November 5, 2026
Retailer 1£1,440 GBP
Yorxs£2,053 GBP

20 data points across 2 retailers

2 retailers£1,440 GBP to £2,053 GBP

B+
Cheapest Retailer
-
£1,440 GBP
Most Expensive
B
Yorxs
3845 · Nov 5
£2,053 GBP
€2,632 EUR
View
1 more retailer has this diamond
Prices start from £1,440 GBPSave up to £613 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+
1.22ct Round
£1,440 GBP