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1.22ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 7503155226

Shape and cutting style on the report: Round

Certificate GIA 7503155226

Diamond specifications and retailer prices

From £2,644 GBP
As of November 5, 2026
Save £1,157 GBP (30%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,801 GBP at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 1.22ct natural round diamond

This 1.22ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7503155226. Listed at 5 retailers as of November 5, 2026, with prices from £2,644 to £3,801, a £1,157 spread on the same certified stone. 77 Diamonds lists it at £3,801. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7503155226
Dimensions6.81 × 6.78 × 4.25 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Cert comments
Additional twinning wisps clouds pinpoints and surface graining are not shown.
Key to symbols
Twinning Wisp, Crystal
Top View
6.81 mm6.78 mm1.22 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7503155226
Side View
Table 57.0%Crown 35°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £3,801 GBP|Low: £2,639 GBP|High: £3,858 GBP|Avg: £3,099 GBP|-0.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 4£2,644 GBP
Retailer 3£2,676 GBP
Retailer 5£2,797 GBP
Retailer 2£3,661 GBP
77 Diamonds£3,801 GBP

38 data points across 5 retailers

5 retailers£2,644 GBP to £3,801 GBP

B+
Cheapest Retailer
-
£2,644 GBP
B+
Retailer 2
-
£2,676 GBP
View
B+
Retailer 3
-
£2,797 GBP
View
B+
Retailer 4
-
£3,661 GBP
View
Most Expensive
B
77 Diamonds
RBZMR5DFB4B · Nov 5
£3,801 GBP
View
4 more retailers have this diamond
Prices start from £2,644 GBPSave up to £1,157 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
£2,644 GBP