Marquise|Natural|IGI

1.50ct H SI1 Marquise Natural Diamond

EX • H/SI1 • IGI 760516545

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 760516545

Diamond specifications and retailer prices

From $8,667 AUD
₹578,508 INR
As of November 2, 2026
Save $10,512 AUD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $19,179 AUD at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 760516545. Listed at 17 retailers as of October 30, 2026, with prices from $8,667 to $19,179, a $10,512 spread on the same certified stone. NZ Jewellers lists it at $19,179. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 760516545
Dimensions13.29 × 5.68 × 3.56 mm
L/W Ratio2.34
Girdle conditionFaceted
Culet sizePointed
Top View
13.29 mm5.68 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 760516545
Side View
Table 58.0%Crown 33.8°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.7%

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 2
Current: $8,667 AUD|Low: $8,650 AUD|High: $16,174 AUD|Avg: $11,886 AUD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 1$8,667 AUD
Retailer 8$10,566 AUD
Retailer 2$10,804 AUD
Retailer 4$10,871 AUD
Retailer 7$11,508 AUD
Retailer 3$12,525 AUD
Retailer 6$14,087 AUD
Retailer 5$15,981 AUD

27 data points across 8 retailers

17 retailers$8,667 AUD to $19,179 AUD

A
Cheapest Retailer
-
$8,667 AUD
₹578,508 INR
B+
Retailer 2
-
$9,911 AUD
$6,946 USD
View
B+
Retailer 3
-
$10,151 AUD
$7,114 USD
View
B+
Retailer 4
-
$10,566 AUD
$7,405 USD
View
B+
Retailer 5
-
$10,585 AUD
$7,418 USD
View
B+
Retailer 6
-
$10,804 AUD
£5,962 GBP
View
B+
Retailer 7
-
$10,871 AUD
£5,999 GBP
View
B+
Retailer 8
-
$11,411 AUD
$7,997 USD
View
B+
Retailer 9
-
$11,467 AUD
$8,036 USD
View
B+
Retailer 10
-
$11,508 AUD
$8,065 USD
View
B+
Retailer 11
-
$11,644 AUD
$8,160 USD
View
B+
Retailer 12
-
$11,708 AUD
$8,205 USD
View
B+
Retailer 13
-
$12,525 AUD
€8,360 EUR
View
B
Retailer 14
-
$13,232 AUD
$9,273 USD
View
B
Retailer 15
-
$14,087 AUD
ZAR 159,492 ZAR
View
B
Retailer 16
-
$15,981 AUD
£8,819 GBP
View
Most Expensive
B
NZ Jewellers
cb2efdc1-8be2-4d17-b39f-29b871316638 · Oct 30
$19,179 AUD
$13,441 USD
View
16 more retailers have this diamond
Prices start from $8,667 AUDSave up to $10,512 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
$8,667 AUD