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Marquise|Natural|GIA

1.50ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 7568301629

Certificate GIA 7568301629

Diamond specifications and retailer prices

From $11,557 AUD
As of November 4, 2026
Save $9,690 AUD (46%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $21,246 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 E 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 7568301629. Listed at 14 retailers as of November 4, 2026, with prices from $11,557 to $21,246, a $9,690 spread on the same certified stone. NZ Jewellers lists it at $21,246. 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
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7568301629
Dimensions11.43 × 6.16 × 3.76 mm
L/W Ratio1.86
Girdle conditionFaceted
Culet sizeNone
Top View
11.43 mm6.16 mm1.50 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7568301629
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 61.1%

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 4
Current: $21,246 AUD|Low: $11,935 AUD|High: $21,246 AUD|Avg: $14,980 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
November 6, 2026
Retailer 5$11,935 AUD
Retailer 13$11,967 AUD
Retailer 10$12,748 AUD
Retailer 3$12,854 AUD
Retailer 8$13,805 AUD
Retailer 12$13,809 AUD
Retailer 11$14,022 AUD
Retailer 2$14,285 AUD
Retailer 6$14,765 AUD
Retailer 7$15,218 AUD
Retailer 4$15,933 AUD
Retailer 9$19,853 AUD
NZ Jewellers$21,246 AUD

11 data points across 13 retailers

14 retailers$11,557 AUD to $21,246 AUD

A
Cheapest Retailer
-
$11,557 AUD
A
Retailer 2
-
$11,935 AUD
View
A
Retailer 3
-
$11,967 AUD
View
Retailer 4
-
$12,748 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$12,854 AUD
View
A
Retailer 6
-
$13,805 AUD
View
B+
Retailer 7
-
$13,809 AUD
View
B+
Retailer 8
-
$14,022 AUD
View
B+
Retailer 9
-
$14,285 AUD
View
B+
Retailer 10
-
$14,765 AUD
View
B+
Retailer 11
-
$15,218 AUD
View
B+
Retailer 12
-
$15,933 AUD
View
B+
Retailer 13
-
$19,853 AUD
View
Most Expensive
B
NZ Jewellers
0fbc7291-d547-4901-bdad-c651a9dee703 · Nov 5
$21,246 AUD
$14,873 USD
View
13 more retailers have this diamond
Prices start from $11,557 AUDSave up to $9,690 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
$11,557 AUD