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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 $2,682 SGD
As of November 5, 2026
Save $2,398 SGD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,080 SGD 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 $2,682 to $5,080, a $2,398 spread on the same certified stone. Helzberg Diamonds lists it at $5,080. 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: $5,080 SGD|Low: $2,679 SGD|High: $5,192 SGD|Avg: $3,745 SGD|-2.1%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$2,682 SGD
Retailer 2$2,809 SGD
Retailer 7$2,898 SGD
Retailer 6$3,532 SGD
Retailer 4$3,636 SGD
Retailer 3$4,668 SGD
Helzberg Diamonds$5,080 SGD

9 data points across 7 retailers

8 retailers$2,682 SGD to $5,080 SGD

A
Cheapest Retailer
-
$2,682 SGD
A
Retailer 2
-
$2,809 SGD
View
A
Retailer 3
-
$2,898 SGD
View
A
Retailer 4
-
$2,903 SGD
View
B+
Retailer 5
-
$3,532 SGD
View
A
Retailer 6
-
$3,636 SGD
View
B+
Retailer 7
-
$4,668 SGD
View
Most Expensive
B+
Helzberg Diamonds
ZXZOJGMLJKNN · Nov 6
$5,080 SGD
$3,964 USD
View
7 more retailers have this diamond
Prices start from $2,682 SGDSave up to $2,398 SGD

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
$2,682 SGD