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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 $3,776 NZD
As of November 5, 2026
Save $3,375 NZD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,151 NZD 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 $3,776 to $7,151, a $3,375 spread on the same certified stone. Helzberg Diamonds lists it at $7,151. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $7,151 NZD|Low: $3,770 NZD|High: $7,308 NZD|Avg: $5,271 NZD|-2.1%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$3,776 NZD
Retailer 2$3,954 NZD
Retailer 7$4,079 NZD
Retailer 6$4,972 NZD
Retailer 4$5,118 NZD
Retailer 3$6,570 NZD
Helzberg Diamonds$7,151 NZD

9 data points across 7 retailers

8 retailers$3,776 NZD to $7,151 NZD

A
Cheapest Retailer
-
$3,776 NZD
A
Retailer 2
-
$3,954 NZD
View
A
Retailer 3
-
$4,079 NZD
View
A
Retailer 4
-
$4,086 NZD
View
B+
Retailer 5
-
$4,972 NZD
View
A
Retailer 6
-
$5,118 NZD
View
B+
Retailer 7
-
$6,570 NZD
View
Most Expensive
B+
Helzberg Diamonds
ZXZOJGMLJKNN · Nov 6
$7,151 NZD
$3,964 USD
View
7 more retailers have this diamond
Prices start from $3,776 NZDSave up to $3,375 NZD

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
$3,776 NZD