CaratHunter
Plans
Marquise|Natural|IGI

1.50ct J SI1 Marquise Natural Diamond

VG • J/SI1 • IGI 608304917

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 608304917

Diamond specifications and retailer prices

From $5,271 AUD
As of November 6, 2026
Save $6,942 AUD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $12,214 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 608304917. Listed at 17 retailers as of November 5, 2026, with prices from $5,271 to $12,214, a $6,942 spread on the same certified stone. NZ Jewellers lists it at $12,214. 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
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle37.9°
Pavilion angle39.5°
OriginNatural
Grading LabIGI
CertificateIGI 608304917
Dimensions11.34 × 6.03 × 3.59 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizePointed
Top View
11.34 mm6.03 mm1.50 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 608304917
Side View
Table 64.0%Crown 37.9°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 59.5%

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: $12,214 AUD|Low: $5,271 AUD|High: $12,214 AUD|Avg: $7,653 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$5,271 AUD
Retailer 8$6,142 AUD
Retailer 4$6,708 AUD
Retailer 5$6,993 AUD
Retailer 9$7,011 AUD
Retailer 11$7,011 AUD
Retailer 10$7,481 AUD
Retailer 3$8,089 AUD
Retailer 6$8,552 AUD
Retailer 7$11,134 AUD
NZ Jewellers$12,214 AUD

27 data points across 11 retailers

17 retailers$5,271 AUD to $12,214 AUD

A
Cheapest Retailer
-
$5,271 AUD
B+
Retailer 2
-
$6,114 AUD
View
B+
Retailer 3
-
$6,142 AUD
View
B+
Retailer 4
-
$6,171 AUD
View
B+
Retailer 5
-
$6,471 AUD
View
Final sale: no returns
B+
Retailer 6
-
$6,608 AUD
View
B+
Retailer 7
-
$6,708 AUD
View
B+
Retailer 8
-
$6,993 AUD
View
B+
Retailer 9
-
$7,011 AUD
View
Retailer 10
-
$7,011 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$7,011 AUD
View
B+
Retailer 12
-
$7,229 AUD
View
B+
Retailer 13
-
$7,481 AUD
View
B+
Retailer 14
-
$8,089 AUD
View
B+
Retailer 15
-
$8,552 AUD
View
B
Retailer 16
-
$11,134 AUD
View
Most Expensive
B
NZ Jewellers
b58f0886-c6a0-4eee-9b80-2efcdd9aa07d · Nov 5
$12,214 AUD
$8,392 USD
View
16 more retailers have this diamond
Prices start from $5,271 AUDSave up to $6,942 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
$5,271 AUD