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Marquise|Natural|GIA

1.50ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 3565306331

Certificate GIA 3565306331

Diamond specifications and retailer prices

From $10,460 AUD
As of November 6, 2026
Save $12,808 AUD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $23,267 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 D 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 3565306331. Listed at 17 retailers as of November 5, 2026, with prices from $10,460 to $23,267, a $12,808 spread on the same certified stone. NZ Jewellers lists it at $23,267. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3565306331
Dimensions11.34 × 5.99 × 3.80 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Cavity, Needle, Indented Natural
Top View
11.34 mm5.99 mm1.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 3565306331
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.4%

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: $23,267 AUD|Low: $10,460 AUD|High: $23,267 AUD|Avg: $14,885 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$10,460 AUD
Retailer 8$12,842 AUD
Retailer 5$12,860 AUD
Retailer 3$13,037 AUD
Retailer 6$13,397 AUD
Retailer 10$14,222 AUD
Retailer 9$14,282 AUD
Retailer 4$14,368 AUD
Retailer 7$19,389 AUD
NZ Jewellers$23,267 AUD

29 data points across 10 retailers

17 retailers$10,460 AUD to $23,267 AUD

A
Cheapest Retailer
-
$10,460 AUD
A
Retailer 2
-
$11,153 AUD
View
Final sale: no returns
A
Retailer 3
-
$11,771 AUD
View
A
Retailer 4
-
$12,025 AUD
View
A
Retailer 5
-
$12,278 AUD
View
Retailer 6
-
$12,842 AUD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$12,860 AUD
View
A
Retailer 8
-
$13,037 AUD
View
A
Retailer 9
-
$13,397 AUD
View
B+
Retailer 10
-
$13,912 AUD
View
B+
Retailer 11
-
$14,126 AUD
View
B+
Retailer 12
-
$14,222 AUD
View
B+
Retailer 13
-
$14,282 AUD
View
A
Retailer 14
-
$14,368 AUD
View
B+
Retailer 15
-
$16,052 AUD
View
B+
Retailer 16
-
$19,389 AUD
View
Most Expensive
B
NZ Jewellers
85bba296-3b98-46e9-bd22-e5887c33bb20 · Nov 5
$23,267 AUD
$15,987 USD
View
16 more retailers have this diamond
Prices start from $10,460 AUDSave up to $12,808 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
$10,460 AUD