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Marquise|Natural|IGI

1.21ct F SI2 Marquise Natural Diamond

EX • F/SI2 • IGI 813642096

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 813642096

Diamond specifications and retailer prices

From $3,153 NZD
As of November 5, 2026
Save $2,067 NZD (40%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,166 NZD at Wholesale Diamonds Direct · As of October 23, 2026
View at Wholesale Diamonds Direct

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 813642096. Listed at 7 retailers as of October 31, 2026, with a 66% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.21
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 813642096
Dimensions10.64 × 5.54 × 3.53 mm
L/W Ratio1.92
Girdle conditionFaceted
Top View
10.64 mm5.54 mm1.21 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI 813642096
Side View
Table 58.0%Crown 37.9°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.7%

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 5
Current: $3,153 NZD|Low: $3,137 NZD|High: $6,787 NZD|Avg: $4,895 NZD|-8.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 5, 2026
Retailer 1$3,153 NZD
Retailer 4$3,687 NZD
Retailer 3$3,743 NZD
Retailer 5$4,690 NZD
Retailer 7$5,166 NZD
Retailer 2$5,220 NZD
Wholesale Diamonds Direct$6,166 NZD
Retailer 6$6,299 NZD

29 data points across 8 retailers

7 retailers$3,153 NZD to $5,220 NZD

A
Cheapest Retailer
-
$3,153 NZD
Retailer 2
-
$3,687 NZD
View
Price last confirmed 8 days ago
Retailer 3
-
$3,743 NZD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$4,690 NZD
View
B+
Retailer 5
-
$5,166 NZD
View
B+
Retailer 6
-
$5,220 NZD
View
Most Expensive
Wholesale Diamonds Direct
553662809 · Oct 23
$6,166 NZD
$3,418 USD
View
Price last confirmed 14 days ago
6 more retailers have this diamond
Prices start from $3,153 NZDSave up to $2,067 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
$3,153 NZD