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Marquise|Natural|IGI

1.21ct H SI2 Marquise Natural Diamond

VG • H/SI2 • IGI 845614149

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 845614149

Diamond specifications and retailer prices

From $3,251 SGD
As of November 6, 2026
Save $4,337 SGD (57%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,588 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 845614149. Listed at 10 retailers as of November 5, 2026, with prices from $3,251 to $7,588, a $4,337 spread on the same certified stone. NZ Jewellers lists it at $7,588. 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

1.21
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle38.6°
OriginNatural
Grading LabIGI
CertificateIGI 845614149
Dimensions10.17 × 5.50 × 3.55 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
10.17 mm5.50 mm1.21 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 845614149
Side View
Table 57.0%Crown 40.1°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 64.5%

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: $7,588 SGD|Low: $3,251 SGD|High: $7,588 SGD|Avg: $4,316 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$3,251 SGD
Retailer 10$3,486 SGD
Retailer 2$3,569 SGD
Retailer 9$3,629 SGD
Retailer 4$3,769 SGD
Retailer 7$3,811 SGD
Retailer 5$4,188 SGD
Retailer 8$4,256 SGD
Retailer 3$6,343 SGD
NZ Jewellers$7,588 SGD

7 data points across 10 retailers

10 retailers$3,251 SGD to $7,588 SGD

A
Cheapest Retailer
-
$3,251 SGD
B+
Retailer 2
-
$3,486 SGD
View
A
Retailer 3
-
$3,569 SGD
View
B+
Retailer 4
-
$3,629 SGD
View
B+
Retailer 5
-
$3,769 SGD
View
B+
Retailer 6
-
$3,811 SGD
View
B+
Retailer 7
-
$4,188 SGD
View
B+
Retailer 8
-
$4,256 SGD
View
B
Retailer 9
-
$6,343 SGD
View
Most Expensive
C
NZ Jewellers
90a096ac-b456-4c4f-90be-395bc1e32dda · Nov 5
$7,588 SGD
$5,921 USD
View
9 more retailers have this diamond
Prices start from $3,251 SGDSave up to $4,337 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
1.21ct Marquise
$3,251 SGD