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Marquise|Natural|IGI

1.20ct F SI2 Marquise Natural Diamond

VG • F/SI2 • IGI 743558438

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 743558438

Diamond specifications and retailer prices

From $2,838 AUD
As of November 1, 2026
Save $5,650 AUD (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,488 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 743558438. Listed at 16 retailers as of November 1, 2026, with prices from $2,838 to $8,488, a $5,650 spread on the same certified stone. NZ Jewellers lists it at $8,488. 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

1.20
Carat
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.2°
Pavilion angle34.4°
OriginNatural
Grading LabIGI
CertificateIGI 743558438
Dimensions11.70 × 5.47 × 3.07 mm
L/W Ratio2.14
Girdle conditionFaceted
Culet sizePointed
Top View
11.70 mm5.47 mm1.20 ctF / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 743558438
Side View
Table 60.0%Crown 38.2°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 56.1%

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 1
Current: $8,488 AUD|Low: $2,838 AUD|High: $8,681 AUD|Avg: $4,334 AUD|-2.2%
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
November 6, 2026
Retailer 4$2,838 AUD
Retailer 6$2,917 AUD
Retailer 3$3,193 AUD
Retailer 2$3,377 AUD
Retailer 15$3,742 AUD
Retailer 5$3,748 AUD
Retailer 11$3,959 AUD
Retailer 8$3,992 AUD
Retailer 9$4,059 AUD
Retailer 12$4,059 AUD
Retailer 13$4,216 AUD
Retailer 7$4,266 AUD
Retailer 14$4,685 AUD
Retailer 10$7,094 AUD
NZ Jewellers$8,488 AUD

40 data points across 15 retailers

16 retailers$2,838 AUD to $8,488 AUD

A
Cheapest Retailer
-
$2,838 AUD
A
Retailer 2
-
$2,917 AUD
View
A
Retailer 3
-
$3,193 AUD
View
A
Retailer 4
-
$3,280 AUD
View
A
Retailer 5
-
$3,377 AUD
View
A
Retailer 6
-
$3,742 AUD
View
B+
Retailer 7
-
$3,748 AUD
View
Final sale: no returns
A
Retailer 8
-
$3,959 AUD
View
A
Retailer 9
-
$3,992 AUD
View
B+
Retailer 10
-
$4,059 AUD
View
Retailer 11
-
$4,059 AUD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$4,216 AUD
View
B+
Retailer 13
-
$4,266 AUD
View
B+
Retailer 14
-
$4,685 AUD
View
B
Retailer 15
-
$7,094 AUD
View
Most Expensive
B
NZ Jewellers
2438d4f9-2351-4432-8f0f-d06aa57f5d58 · Nov 5
$8,488 AUD
$5,832 USD
View
15 more retailers have this diamond
Prices start from $2,838 AUDSave up to $5,650 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
1.20ct Marquise
$2,838 AUD