Round|Natural|IGI

1.22ct E SI2 Round Natural Diamond

EX • E/SI2 • IGI 819642036

Shape and cutting style on the report: Round brilliant

Certificate IGI 819642036

Diamond specifications and retailer prices

From £1,601 GBP
As of November 5, 2026
Save £1,191 GBP (43%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,792 GBP at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.22ct natural round diamond

This 1.22ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 819642036. Listed at 8 retailers as of November 4, 2026, with prices from £1,601 to £2,792, a £1,191 spread on the same certified stone. Wholesale Diamonds Direct lists it at £2,792. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 819642036
Dimensions6.80 × 6.84 × 4.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.80 mm6.84 mm1.22 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 819642036
Side View
Table 57.0%Crown 35°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.3%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £1,601 GBP|Low: £1,592 GBP|High: £3,225 GBP|Avg: £2,145 GBP|-8.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 5, 2026
Retailer 1£1,601 GBP
Retailer 6£1,715 GBP
Retailer 7£1,727 GBP
Retailer 4£1,895 GBP
Retailer 5£2,102 GBP
Retailer 3£2,104 GBP
Retailer 2£2,165 GBP
Wholesale Diamonds Direct£2,792 GBP

36 data points across 8 retailers

8 retailers£1,601 GBP to £2,792 GBP

A
Cheapest Retailer
-
£1,601 GBP
A
Retailer 2
-
£1,715 GBP
View
A
Retailer 3
-
£1,727 GBP
View
A
Retailer 4
-
£1,895 GBP
View
A
Retailer 5
-
£2,102 GBP
View
A
Retailer 6
-
£2,104 GBP
View
A
Retailer 7
-
£2,165 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
436713427 · Nov 4
£2,792 GBP
$3,758 USD
View
7 more retailers have this diamond
Prices start from £1,601 GBPSave up to £1,191 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
£1,601 GBP