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Marquise|Natural|GIA

1.50ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 1547730440

Certificate GIA 1547730440

Diamond specifications and retailer prices

From $11,360 AUD
$7,961 USD
As of November 2, 2026
Save $9,813 AUD (46%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $21,172 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1547730440. Listed at 19 retailers as of October 30, 2026, with prices from $11,360 to $21,172, a $9,813 spread on the same certified stone. NZ Jewellers lists it at $21,172. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle38.44°
Pavilion angle39.6°
OriginNatural
Grading LabGIA
CertificateGIA 1547730440
Dimensions11.27 × 5.97 × 3.78 mm
L/W Ratio1.89
Girdle conditionVery Thick
Key to symbols
Crystal, Feather, Twinning Wisp, Needle
Top View
11.27 mm5.97 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1547730440
Side View
Table 56.0%Crown 38.44°Girdle: MediumPavilion 39.6°Culet: NoneDepth 63.3%

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: $21,172 AUD|Low: $11,360 AUD|High: $21,172 AUD|Avg: $14,823 AUD
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
Retailer 16
November 2, 2026
Retailer 5$11,360 AUD
Retailer 11$11,863 AUD
Retailer 3$12,010 AUD
Retailer 14$12,704 AUD
Retailer 16$13,762 AUD
Retailer 10$13,915 AUD
Retailer 13$13,974 AUD
Retailer 4$14,283 AUD
Retailer 2$14,313 AUD
Retailer 8$14,776 AUD
Retailer 7$15,125 AUD
Retailer 15$15,125 AUD
Retailer 6$15,880 AUD
Retailer 9$16,001 AUD
Retailer 12$19,840 AUD
NZ Jewellers$21,172 AUD

31 data points across 16 retailers

19 retailers$11,360 AUD to $21,172 AUD

A
Cheapest Retailer
-
$11,360 AUD
$7,961 USD
A
Retailer 2
-
$11,863 AUD
$8,314 USD
View
B+
Retailer 3
-
$12,008 AUD
View
A
Retailer 4
-
$12,010 AUD
$8,417 USD
View
B+
Retailer 5
-
$12,428 AUD
CA$12,097 CAD
View
B+
Retailer 6
-
$12,704 AUD
$8,903 USD
View
Final sale: no returns
B+
Retailer 7
-
$13,762 AUD
$9,645 USD
View
B+
Retailer 8
-
$13,915 AUD
£7,679 GBP
View
B+
Retailer 9
-
$13,974 AUD
$9,793 USD
View
B+
Retailer 10
-
$14,283 AUD
$10,010 USD
View
B+
Retailer 11
-
$14,313 AUD
£7,898 GBP
View
B+
Retailer 12
-
$14,776 AUD
$10,355 USD
View
B+
Retailer 13
-
$15,125 AUD
$10,600 USD
View
B+
Retailer 14
-
$15,125 AUD
$10,600 USD
View
B
Retailer 15
-
$15,625 AUD
$10,950 USD
View
B
Retailer 16
-
$15,880 AUD
$11,129 USD
View
B
Retailer 17
-
$16,001 AUD
€10,680 EUR
View
B
Retailer 18
-
$19,840 AUD
£10,948 GBP
View
Most Expensive
B
NZ Jewellers
4efabb3e-f610-46d8-a3dc-3ababd738931 · Oct 30
$21,172 AUD
$14,838 USD
View
18 more retailers have this diamond
Prices start from $11,360 AUDSave up to $9,813 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
$11,360 AUD