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Marquise|Natural|IGI

1.50ct H SI2 Marquise Natural Diamond

VG • H/SI2 • IGI 814628555

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 814628555

Diamond specifications and retailer prices

From $4,296 AUD
As of November 6, 2026
Save $5,644 AUD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,940 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 814628555. Listed at 14 retailers as of November 5, 2026, with prices from $4,296 to $9,940, a $5,644 spread on the same certified stone. NZ Jewellers lists it at $9,940. 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

1.50
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle35.1°
OriginNatural
Grading LabIGI
CertificateIGI 814628555
Dimensions11.21 × 5.96 × 3.59 mm
L/W Ratio1.88
Girdle conditionFaceted
Top View
11.21 mm5.96 mm1.50 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 814628555
Side View
Table 61.0%Crown 40.8°Girdle: STK-VTKPavilion 35.1°Culet: NoneDepth 60.2%

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 6
Current: $9,940 AUD|Low: $4,296 AUD|High: $10,038 AUD|Avg: $6,276 AUD|-1.0%
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
November 6, 2026
Retailer 2$4,296 AUD
Retailer 9$5,021 AUD
Retailer 3$5,337 AUD
Retailer 11$5,466 AUD
Retailer 4$5,705 AUD
Retailer 10$5,705 AUD
Retailer 13$5,705 AUD
Retailer 12$5,918 AUD
Retailer 8$5,953 AUD
Retailer 6$6,257 AUD
Retailer 5$6,583 AUD
Retailer 7$9,540 AUD
NZ Jewellers$9,940 AUD

45 data points across 13 retailers

14 retailers$4,296 AUD to $9,940 AUD

A
Cheapest Retailer
-
$4,296 AUD
B+
Retailer 2
-
$5,021 AUD
View
B+
Retailer 3
-
$5,337 AUD
View
B+
Retailer 4
-
$5,466 AUD
View
B+
Retailer 5
-
$5,705 AUD
View
B+
Retailer 6
-
$5,705 AUD
View
Retailer 7
-
$5,705 AUD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$5,918 AUD
View
B+
Retailer 9
-
$5,953 AUD
View
A
Retailer 10
-
$6,257 AUD
View
B+
Retailer 11
-
$6,583 AUD
View
Retailer 12
-
$6,779 AUD
View
Price last confirmed 61 days ago
B+
Retailer 13
-
$9,540 AUD
View
Most Expensive
B+
NZ Jewellers
a34e8ede-ef67-4a01-be4b-fce98b0fe0cc · Nov 5
$9,940 AUD
$6,830 USD
View
13 more retailers have this diamond
Prices start from $4,296 AUDSave up to $5,644 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
1.50ct Marquise
$4,296 AUD