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Marquise|Natural|IGI

1.22ct E SI2 Marquise Natural Diamond

VG • E/SI2 • IGI 821603738

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 821603738

Diamond specifications and retailer prices

From $3,911 SGD
As of November 6, 2026
Save $3,018 SGD (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,929 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 821603738. Listed at 6 retailers as of November 5, 2026, with prices from $3,911 to $6,929, a $3,018 spread on the same certified stone. NZ Jewellers lists it at $6,929. 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 angle37°
Pavilion angle38.9°
OriginNatural
Grading LabIGI
CertificateIGI 821603738
Dimensions10.42 × 5.50 × 3.56 mm
L/W Ratio1.89
Girdle conditionFaceted
Top View
10.42 mm5.50 mm1.22 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 821603738
Side View
Table 58.0%Crown 37°Girdle: STK-VTKPavilion 38.9°CuletDepth 64.7%

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 6
Current: $6,929 SGD|Low: $3,907 SGD|High: $7,735 SGD|Avg: $5,346 SGD|-10.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2$3,911 SGD
Retailer 4$3,978 SGD
Retailer 6$4,131 SGD
Retailer 3$4,603 SGD
Retailer 5$6,634 SGD
NZ Jewellers$6,929 SGD

40 data points across 6 retailers

6 retailers$3,911 SGD to $6,929 SGD

A
Cheapest Retailer
-
$3,911 SGD
A
Retailer 2
-
$3,978 SGD
View
A
Retailer 3
-
$4,131 SGD
View
A
Retailer 4
-
$4,603 SGD
View
B
Retailer 5
-
$6,634 SGD
View
Most Expensive
B
NZ Jewellers
0549fce5-ea3e-4f57-98eb-d5c58a9f4392 · Nov 5
$6,929 SGD
$5,425 USD
View
5 more retailers have this diamond
Prices start from $3,911 SGDSave up to $3,018 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
$3,911 SGD