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Marquise|Natural|IGI

1.20ct I VS1 Marquise Natural Diamond

VG • I/VS1 • IGI 774673112

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 774673112

Diamond specifications and retailer prices

From $4,378 AUD
As of November 7, 2026
7 retailers carry this diamond
Most expensive: $9,064 AUD at NZ Jewellers · As of September 26, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 774673112. Listed at 7 retailers as of November 7, 2026. 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
I
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.5°
Pavilion angle39.6°
OriginNatural
Grading LabIGI
CertificateIGI 774673112
Dimensions10.64 × 5.62 × 3.49 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizeNone
Top View
10.64 mm5.62 mm1.20 ctI / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 774673112
Side View
Table 58.0%Crown 39.5°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 7
Current: $4,187 AUD|Low: $3,668 AUD|High: $7,417 AUD|Avg: $4,661 AUD|-1.5%
Retailer 1
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
September 27, 2026
Retailer 11$3,668 AUD
Retailer 9$3,762 AUD
Retailer 2$3,959 AUD
Retailer 3$4,042 AUD
Retailer 5$4,141 AUD
Retailer 1$4,187 AUD
Retailer 8$4,336 AUD
Retailer 6$4,378 AUD
Retailer 12$4,542 AUD
Retailer 7$4,625 AUD
Retailer 4$5,053 AUD
Retailer 13$5,154 AUD
Retailer 10$5,567 AUD
Retailer 14$7,328 AUD

5 data points across 14 retailers

7 retailers

Retailer 1
-
$3,959 AUD
Price last confirmed 44 days ago
Retailer 2
-
$4,336 AUD
View
Price last confirmed 42 days ago
A
Retailer 3
-
$4,378 AUD
View
Retailer 4
-
$4,436 AUD
View
Price last confirmed 54 days ago
Retailer 5
-
$5,002 AUD
View
Price last confirmed 44 days ago
Retailer 6
-
$5,119 AUD
View
Price last confirmed 53 days ago
Most Expensive
NZ Jewellers
3b1d89e6-422f-462e-a951-82967fbcf279 · Sep 26
$9,064 AUD
$6,228 USD
View
Price last confirmed 42 days ago
6 more retailers have this diamond
Prices start from $4,378 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
$4,378 AUD