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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 $3,017 AUD
As of November 5, 2026
Save $2,824 AUD (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,841 AUD 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 $3,017 to $5,841, a $2,824 spread on the same certified stone. Helzberg Diamonds lists it at $5,841. 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: $5,841 AUD|Low: $3,013 AUD|High: $5,841 AUD|Avg: $4,100 AUD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3$3,017 AUD
Retailer 5$3,231 AUD
Retailer 6$3,258 AUD
Retailer 7$3,264 AUD
Retailer 8$4,041 AUD
Retailer 2$4,180 AUD
Retailer 4$5,390 AUD
Helzberg Diamonds$5,841 AUD

12 data points across 8 retailers

8 retailers$3,017 AUD to $5,841 AUD

A
Cheapest Retailer
-
$3,017 AUD
A
Retailer 2
-
$3,231 AUD
View
A
Retailer 3
-
$3,258 AUD
View
A
Retailer 4
-
$3,264 AUD
View
B+
Retailer 5
-
$4,041 AUD
View
A
Retailer 6
-
$4,180 AUD
View
B+
Retailer 7
-
$5,390 AUD
View
Most Expensive
B+
Helzberg Diamonds
ZXZOJGMLJKKI · Nov 6
$5,841 AUD
$4,089 USD
View
7 more retailers have this diamond
Prices start from $3,017 AUDSave up to $2,824 AUD

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
$3,017 AUD