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Marquise|Natural|GIA

1.51ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6562533262

Certificate GIA 6562533262

Diamond specifications and retailer prices

From $13,021 AUD
As of November 6, 2026
Save $11,244 AUD (46%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $24,266 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct 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 6562533262. Listed at 9 retailers as of November 5, 2026, with prices from $13,021 to $24,266, a $11,244 spread on the same certified stone. NZ Jewellers lists it at $24,266. 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

1.51
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6562533262
Dimensions12.29 × 5.85 × 3.67 mm
L/W Ratio2.10
Girdle conditionThick to Very Thick
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
12.29 mm5.85 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562533262
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.7%

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: $24,266 AUD|Low: $13,021 AUD|High: $25,614 AUD|Avg: $17,795 AUD|-5.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$13,021 AUD
Retailer 2$13,269 AUD
Retailer 10$15,206 AUD
Retailer 9$16,239 AUD
Retailer 3$16,315 AUD
Retailer 4$16,904 AUD
Retailer 7$17,409 AUD
Retailer 6$17,677 AUD
Retailer 5$22,677 AUD
NZ Jewellers$24,266 AUD

29 data points across 10 retailers

9 retailers$13,021 AUD to $24,266 AUD

A
Cheapest Retailer
-
$13,021 AUD
A
Retailer 2
-
$13,269 AUD
View
Retailer 3
-
$15,206 AUD
View
Price last confirmed 26 days ago
B+
Retailer 4
-
$16,315 AUD
View
B+
Retailer 5
-
$16,904 AUD
View
B+
Retailer 6
-
$17,409 AUD
View
B+
Retailer 7
-
$17,677 AUD
View
B
Retailer 8
-
$22,677 AUD
View
Most Expensive
B
NZ Jewellers
c9ab376f-d11d-46e3-9677-bb426ff8c48c · Nov 5
$24,266 AUD
$16,673 USD
View
8 more retailers have this diamond
Prices start from $13,021 AUDSave up to $11,244 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
1.51ct Marquise
$13,021 AUD