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Marquise|Natural|GIA

1.50ct F SI2 Marquise Natural Diamond

ID • F/SI2 • GIA 2557641107

Certificate GIA 2557641107

Diamond specifications and retailer prices

From $9,424 AUD
As of November 6, 2026
Save $8,518 AUD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $17,942 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 2557641107. Listed at 7 retailers as of November 3, 2026, with prices from $9,424 to $17,942, a $8,518 spread on the same certified stone. NZ Jewellers lists it at $17,942. 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 angle41.17°
Pavilion angle41.7°
OriginNatural
Grading LabGIA
CertificateGIA 2557641107
Dimensions10.45 × 5.91 × 4.06 mm
L/W Ratio1.77
Girdle conditionVery Thick
Key to symbols
Crystal, Feather, Cavity, Needle, Indented Natural
Top View
10.45 mm5.91 mm1.50 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557641107
Side View
Table 57.0%Crown 41.17°Girdle: THK-VTKPavilion 41.7°Culet: NoneDepth 68.7%

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 6
Current: $17,942 AUD|Low: $9,424 AUD|High: $18,587 AUD|Avg: $12,175 AUD|-3.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4$9,424 AUD
Retailer 2$10,108 AUD
Retailer 5$10,173 AUD
Retailer 7$10,728 AUD
Retailer 6$10,892 AUD
Retailer 3$14,951 AUD
NZ Jewellers$17,942 AUD

21 data points across 7 retailers

7 retailers$9,424 AUD to $17,942 AUD

A
Cheapest Retailer
-
$9,424 AUD
A
Retailer 2
-
$10,108 AUD
View
A
Retailer 3
-
$10,173 AUD
View
A
Retailer 4
-
$10,728 AUD
View
A
Retailer 5
-
$10,892 AUD
View
B+
Retailer 6
-
$14,951 AUD
View
Most Expensive
B
NZ Jewellers
24bf5584-5047-4a13-9291-1815e3e5ec60 · Nov 3
$17,942 AUD
$12,328 USD
View
6 more retailers have this diamond
Prices start from $9,424 AUDSave up to $8,518 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
$9,424 AUD