CaratHunter
Plans
Marquise|Natural|IGI

1.22ct G SI2 Marquise Natural Diamond

VG • G/SI2 • IGI 830653477

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 830653477

Diamond specifications and retailer prices

From £1,564 GBP
As of November 5, 2026
Save £1,398 GBP (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,962 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 830653477. Listed at 8 retailers as of November 5, 2026, with prices from £1,564 to £2,962, a £1,398 spread on the same certified stone. Helzberg Diamonds lists it at £2,962. 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
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 830653477
Dimensions10.54 × 5.50 × 3.58 mm
L/W Ratio1.92
Girdle conditionFaceted
Top View
10.54 mm5.50 mm1.22 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 830653477
Side View
Table 62.0%Crown 39.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 65.1%

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 5
Current: £2,962 GBP|Low: £1,561 GBP|High: £3,027 GBP|Avg: £2,183 GBP|-2.1%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5£1,564 GBP
Retailer 2£1,638 GBP
Retailer 7£1,689 GBP
Retailer 6£2,059 GBP
Retailer 4£2,120 GBP
Retailer 3£2,721 GBP
Helzberg Diamonds£2,962 GBP

9 data points across 7 retailers

8 retailers£1,564 GBP to £2,962 GBP

A
Cheapest Retailer
-
£1,564 GBP
A
Retailer 2
-
£1,638 GBP
View
A
Retailer 3
-
£1,689 GBP
View
A
Retailer 4
-
£1,692 GBP
View
B+
Retailer 5
-
£2,059 GBP
View
A
Retailer 6
-
£2,120 GBP
View
B+
Retailer 7
-
£2,721 GBP
View
Most Expensive
B+
Helzberg Diamonds
ZXZOJGMLJKNN · Nov 6
£2,962 GBP
$3,964 USD
View
7 more retailers have this diamond
Prices start from £1,564 GBPSave up to £1,398 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
£1,564 GBP