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Marquise|Natural|GIA

1.50ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 6521836472

Certificate GIA 6521836472

Diamond specifications and retailer prices

From $11,928 AUD
As of November 4, 2026
Save $9,306 AUD (44%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $21,234 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6521836472. Listed at 19 retailers as of November 4, 2026, with prices from $11,928 to $21,234, a $9,306 spread on the same certified stone. NZ Jewellers lists it at $21,234. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6521836472
Dimensions11.05 × 5.98 × 3.81 mm
L/W Ratio1.85
Top View
11.05 mm5.98 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6521836472
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.8%

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 4
Current: $21,234 AUD|Low: $11,781 AUD|High: $21,234 AUD|Avg: $14,952 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
November 7, 2026
Retailer 7$11,781 AUD
Retailer 4$11,928 AUD
Retailer 5$12,647 AUD
Retailer 14$12,741 AUD
Retailer 6$12,847 AUD
Retailer 2$13,793 AUD
Retailer 13$13,802 AUD
Retailer 3$13,995 AUD
Retailer 10$14,014 AUD
Retailer 8$14,177 AUD
Retailer 11$15,925 AUD
Retailer 12$15,986 AUD
Retailer 9$18,587 AUD
Retailer 15$20,002 AUD
NZ Jewellers$21,234 AUD

38 data points across 15 retailers

19 retailers$11,928 AUD to $21,234 AUD

Retailer 1
-
$11,781 AUD
Price last confirmed 9 days ago
A
Retailer 2
-
$11,928 AUD
View
B+
Retailer 3
-
$12,647 AUD
View
Retailer 4
-
$12,741 AUD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$12,847 AUD
View
B+
Retailer 6
-
$13,209 AUD
View
B+
Retailer 7
-
$13,793 AUD
View
B+
Retailer 8
-
$13,802 AUD
View
Retailer 9
-
$13,995 AUD
View
Price last confirmed 15 days ago
B+
Retailer 10
-
$14,014 AUD
View
B+
Retailer 11
-
$14,080 AUD
View
B+
Retailer 12
-
$14,177 AUD
View
B
Retailer 13
-
$15,704 AUD
View
B
Retailer 14
-
$15,925 AUD
View
B+
Retailer 15
-
$15,986 AUD
View
Retailer 16
-
$16,769 AUD
View
Price last confirmed 15 days ago
B
Retailer 17
-
$18,587 AUD
View
Retailer 18
-
$20,002 AUD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
a965d119-f5ae-42b2-82e4-8ac4538edbf4 · Nov 5
$21,234 AUD
$14,590 USD
View
18 more retailers have this diamond
Prices start from $11,928 AUDSave up to $9,306 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
$11,928 AUD