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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 $3,692 AUD
As of November 6, 2026
Save $4,925 AUD (57%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,617 AUD 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 $3,692 to $8,617, a $4,925 spread on the same certified stone. NZ Jewellers lists it at $8,617. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,617 AUD|Low: $3,692 AUD|High: $8,617 AUD|Avg: $4,901 AUD
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$3,692 AUD
Retailer 10$3,959 AUD
Retailer 2$4,053 AUD
Retailer 9$4,122 AUD
Retailer 4$4,280 AUD
Retailer 7$4,328 AUD
Retailer 5$4,756 AUD
Retailer 8$4,833 AUD
Retailer 3$7,203 AUD
NZ Jewellers$8,617 AUD

7 data points across 10 retailers

10 retailers$3,692 AUD to $8,617 AUD

A
Cheapest Retailer
-
$3,692 AUD
B+
Retailer 2
-
$3,959 AUD
View
A
Retailer 3
-
$4,053 AUD
View
B+
Retailer 4
-
$4,122 AUD
View
B+
Retailer 5
-
$4,280 AUD
View
B+
Retailer 6
-
$4,328 AUD
View
B+
Retailer 7
-
$4,756 AUD
View
B+
Retailer 8
-
$4,833 AUD
View
B
Retailer 9
-
$7,203 AUD
View
Most Expensive
C
NZ Jewellers
90a096ac-b456-4c4f-90be-395bc1e32dda · Nov 5
$8,617 AUD
$5,921 USD
View
9 more retailers have this diamond
Prices start from $3,692 AUDSave up to $4,925 AUD

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
$3,692 AUD