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Marquise|Natural|GIA

1.50ct F SI2 Marquise Natural Diamond

ID • F/SI2 • GIA 2566015389

Certificate GIA 2566015389

Diamond specifications and retailer prices

From $10,105 AUD
$7,082 USD
As of November 1, 2026
Save $13,540 AUD (57%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $23,645 AUD at NZ Jewellers · As of November 3, 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 2566015389. Listed at 24 retailers as of November 1, 2026, with prices from $10,105 to $23,645, a $13,540 spread on the same certified stone. NZ Jewellers lists it at $23,645. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.3°
Pavilion angle36.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566015389
Dimensions10.97 × 5.94 × 3.86 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizeNone
Top View
10.97 mm5.94 mm1.50 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566015389
Side View
Table 62.0%Crown 39.3°Girdle: THN-VTKPavilion 36.8°Culet: NoneDepth 65.0%

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 1
Current: $23,645 AUD|Low: $10,105 AUD|High: $23,645 AUD|Avg: $13,542 AUD|+16.6%
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 5
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
November 3, 2026
Retailer 17$10,105 AUD
Retailer 16$10,452 AUD
Retailer 14$10,520 AUD
Retailer 21$10,679 AUD
Retailer 18$11,019 AUD
Retailer 10$11,047 AUD
Retailer 8$11,070 AUD
Retailer 9$11,298 AUD
Retailer 11$11,822 AUD
Retailer 15$11,822 AUD
Retailer 25$12,157 AUD
Retailer 7$12,808 AUD
Retailer 12$13,005 AUD
Retailer 6$13,187 AUD
Retailer 2$13,207 AUD
Retailer 13$13,320 AUD
Retailer 5$13,998 AUD
Retailer 23$13,998 AUD
Retailer 24$14,469 AUD
Retailer 19$14,680 AUD
Retailer 4$14,778 AUD
Retailer 3$15,245 AUD
Retailer 22$15,563 AUD
Retailer 20$19,702 AUD
NZ Jewellers$23,645 AUD

23 data points across 25 retailers

24 retailers$10,105 AUD to $23,645 AUD

A
Cheapest Retailer
-
$10,105 AUD
$7,082 USD
A
Retailer 2
-
$10,452 AUD
$7,325 USD
View
A
Retailer 3
-
$10,520 AUD
HK$57,600 HKD
View
A
Retailer 4
-
$10,679 AUD
$7,484 USD
View
A
Retailer 5
-
$11,047 AUD
View
A
Retailer 6
-
$11,070 AUD
$7,758 USD
View
A
Retailer 7
-
$11,298 AUD
$7,918 USD
View
A
Retailer 8
-
$11,822 AUD
$8,285 USD
View
B+
Retailer 9
-
$11,822 AUD
$8,285 USD
View
Final sale: no returns
B+
Retailer 10
-
$12,157 AUD
$8,520 USD
View
B+
Retailer 11
-
$12,808 AUD
$8,976 USD
View
B+
Retailer 12
-
$13,005 AUD
$9,114 USD
View
B+
Retailer 13
-
$13,187 AUD
$9,242 USD
View
B+
Retailer 14
-
$13,207 AUD
£7,288 GBP
View
B+
Retailer 15
-
$13,320 AUD
£7,351 GBP
View
B+
Retailer 16
-
$13,998 AUD
$9,810 USD
View
B+
Retailer 17
-
$13,998 AUD
$9,810 USD
View
B+
Retailer 18
-
$14,006 AUD
$9,816 USD
View
B+
Retailer 19
-
$14,469 AUD
$10,140 USD
View
B+
Retailer 20
-
$14,680 AUD
€9,798 EUR
View
B+
Retailer 21
-
$14,778 AUD
$10,357 USD
View
B
Retailer 22
-
$15,245 AUD
$10,684 USD
View
B
Retailer 23
-
$19,702 AUD
£10,872 GBP
View
Most Expensive
B
NZ Jewellers
40affa8c-a513-4786-9db4-ee7f3295df32 · Nov 3
$23,645 AUD
$16,571 USD
View
23 more retailers have this diamond
Prices start from $10,105 AUDSave up to $13,540 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
$10,105 AUD