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Marquise|Natural|IGI

1.22ct E SI2 Marquise Natural Diamond

VG • E/SI2 • IGI 830653442

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 830653442

Diamond specifications and retailer prices

From £1,569 GBP
As of November 5, 2026
Save £1,469 GBP (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,038 GBP at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.22ct natural marquise diamond

This 1.22ct natural marquise sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 830653442. Listed at 8 retailers as of November 5, 2026, with prices from £1,569 to £3,038, a £1,469 spread on the same certified stone. Helzberg Diamonds lists it at £3,038. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.22
Carat
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 830653442
Dimensions9.98 × 5.49 × 3.71 mm
L/W Ratio1.82
Girdle conditionFaceted
Top View
9.98 mm5.49 mm1.22 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 830653442
Side View
Table 59.0%Crown 41.7°Girdle: MED-THKPavilion 41.7°Culet: NoneDepth 67.6%

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: £3,038 GBP|Low: £1,567 GBP|High: £3,038 GBP|Avg: £2,133 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3£1,569 GBP
Retailer 5£1,681 GBP
Retailer 6£1,695 GBP
Retailer 7£1,698 GBP
Retailer 8£2,102 GBP
Retailer 2£2,174 GBP
Retailer 4£2,803 GBP
Helzberg Diamonds£3,038 GBP

12 data points across 8 retailers

8 retailers£1,569 GBP to £3,038 GBP

A
Cheapest Retailer
-
£1,569 GBP
A
Retailer 2
-
£1,681 GBP
View
A
Retailer 3
-
£1,695 GBP
View
A
Retailer 4
-
£1,698 GBP
View
B+
Retailer 5
-
£2,102 GBP
View
A
Retailer 6
-
£2,174 GBP
View
B+
Retailer 7
-
£2,803 GBP
View
Most Expensive
B+
Helzberg Diamonds
ZXZOJGMLJKKI · Nov 6
£3,038 GBP
$4,089 USD
View
7 more retailers have this diamond
Prices start from £1,569 GBPSave up to £1,469 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 Marquise
£1,569 GBP