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Round|Natural|GIA

1.22ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 6565395629

Certificate GIA 6565395629

Diamond specifications and retailer prices

From £977 GBP
As of November 4, 2026
Save £1,722 GBP (64%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,699 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 6565395629. Listed at 7 retailers as of November 4, 2026, with prices from £977 to £2,699, a £1,722 spread on the same certified stone. NZ Jewellers lists it at £2,699. 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
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6565395629
Dimensions6.81 × 6.79 × 4.27 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
6.81 mm6.79 mm1.22 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565395629
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £2,699 GBP|Low: £977 GBP|High: £2,861 GBP|Avg: £1,481 GBP|-5.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4£977 GBP
Retailer 2£1,088 GBP
Retailer 6£1,106 GBP
Retailer 5£1,158 GBP
Retailer 7£1,236 GBP
Retailer 3£1,493 GBP
NZ Jewellers£2,699 GBP

14 data points across 7 retailers

7 retailers£977 GBP to £2,699 GBP

A
Cheapest Retailer
-
£977 GBP
A
Retailer 2
-
£1,088 GBP
View
A
Retailer 3
-
£1,106 GBP
View
A
Retailer 4
-
£1,158 GBP
View
B+
Retailer 5
-
£1,236 GBP
View
B+
Retailer 6
-
£1,493 GBP
View
Most Expensive
B
NZ Jewellers
b35a308b-c00a-4469-969f-5ea9dfce8a72 · Nov 5
£2,699 GBP
$3,632 USD
View
6 more retailers have this diamond
Prices start from £977 GBPSave up to £1,722 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
1.22ct Round
£977 GBP