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Marquise|Natural|IGI

1.21ct J SI1 Marquise Natural Diamond

VG • J/SI1 • IGI 743559060

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 743559060

Diamond specifications and retailer prices

From $2,543 SGD
As of November 6, 2026
Save $3,217 SGD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,760 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 743559060. Listed at 18 retailers as of November 5, 2026, with prices from $2,543 to $5,760, a $3,217 spread on the same certified stone. NZ Jewellers lists it at $5,760. 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
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle43.4°
Pavilion angle39.1°
OriginNatural
Grading LabIGI
CertificateIGI 743559060
Dimensions10.98 × 5.45 × 3.37 mm
L/W Ratio2.01
Girdle conditionFaceted
Top View
10.98 mm5.45 mm1.21 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 743559060
Side View
Table 60.0%Crown 43.4°Girdle: THN-STKPavilion 39.1°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,760 SGD|Low: $2,543 SGD|High: $5,760 SGD|Avg: $3,154 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 5$2,543 SGD
Retailer 6$2,554 SGD
Retailer 16$2,557 SGD
Retailer 10$2,563 SGD
Retailer 9$2,638 SGD
Retailer 11$2,672 SGD
Retailer 4$2,755 SGD
Retailer 18$2,755 SGD
Retailer 8$2,880 SGD
Retailer 3$2,882 SGD
Retailer 17$2,932 SGD
Retailer 14$3,045 SGD
Retailer 2$3,063 SGD
Retailer 7$3,178 SGD
Retailer 13$3,363 SGD
Retailer 12$3,742 SGD
Retailer 15$4,814 SGD
NZ Jewellers$5,760 SGD

26 data points across 18 retailers

18 retailers$2,543 SGD to $5,760 SGD

B+
Cheapest Retailer
-
$2,543 SGD
Final sale: no returns
A
Retailer 2
-
$2,554 SGD
View
A
Retailer 3
-
$2,557 SGD
View
A
Retailer 4
-
$2,563 SGD
View
A
Retailer 5
-
$2,638 SGD
View
A
Retailer 6
-
$2,672 SGD
View
A
Retailer 7
-
$2,755 SGD
View
Retailer 8
-
$2,755 SGD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$2,880 SGD
View
B+
Retailer 10
-
$2,882 SGD
View
B+
Retailer 11
-
$2,932 SGD
View
B+
Retailer 12
-
$3,045 SGD
View
B+
Retailer 13
-
$3,063 SGD
View
B+
Retailer 14
-
$3,178 SGD
View
B+
Retailer 15
-
$3,363 SGD
View
B
Retailer 16
-
$3,742 SGD
View
B
Retailer 17
-
$4,814 SGD
View
Most Expensive
B
NZ Jewellers
a59d7b72-179e-449d-a06b-0a4d91e7de12 · Nov 5
$5,760 SGD
$4,494 USD
View
17 more retailers have this diamond
Prices start from $2,543 SGDSave up to $3,217 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
$2,543 SGD