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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 $3,579 NZD
As of November 6, 2026
Save $4,528 NZD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,107 NZD 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 $3,579 to $8,107, a $4,528 spread on the same certified stone. NZ Jewellers lists it at $8,107. 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: $8,107 NZD|Low: $3,579 NZD|High: $8,107 NZD|Avg: $4,440 NZD
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$3,579 NZD
Retailer 6$3,595 NZD
Retailer 16$3,599 NZD
Retailer 10$3,608 NZD
Retailer 9$3,712 NZD
Retailer 11$3,761 NZD
Retailer 4$3,878 NZD
Retailer 18$3,878 NZD
Retailer 8$4,053 NZD
Retailer 3$4,057 NZD
Retailer 17$4,127 NZD
Retailer 14$4,286 NZD
Retailer 2$4,311 NZD
Retailer 7$4,474 NZD
Retailer 13$4,733 NZD
Retailer 12$5,267 NZD
Retailer 15$6,775 NZD
NZ Jewellers$8,107 NZD

26 data points across 18 retailers

18 retailers$3,579 NZD to $8,107 NZD

B+
Cheapest Retailer
-
$3,579 NZD
Final sale: no returns
A
Retailer 2
-
$3,595 NZD
View
A
Retailer 3
-
$3,599 NZD
View
A
Retailer 4
-
$3,608 NZD
View
A
Retailer 5
-
$3,712 NZD
View
A
Retailer 6
-
$3,761 NZD
View
A
Retailer 7
-
$3,878 NZD
View
Retailer 8
-
$3,878 NZD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$4,053 NZD
View
B+
Retailer 10
-
$4,057 NZD
View
B+
Retailer 11
-
$4,127 NZD
View
B+
Retailer 12
-
$4,286 NZD
View
B+
Retailer 13
-
$4,311 NZD
View
B+
Retailer 14
-
$4,474 NZD
View
B+
Retailer 15
-
$4,733 NZD
View
B
Retailer 16
-
$5,267 NZD
View
B
Retailer 17
-
$6,775 NZD
View
Most Expensive
B
NZ Jewellers
a59d7b72-179e-449d-a06b-0a4d91e7de12 · Nov 5
$8,107 NZD
$4,494 USD
View
17 more retailers have this diamond
Prices start from $3,579 NZDSave up to $4,528 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
1.21ct Marquise
$3,579 NZD