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Marquise|Natural|GIA

1.50ct D SI2 Marquise Natural Diamond

GD • D/SI2 • GIA 5556478233

Certificate GIA 5556478233

Diamond specifications and retailer prices

From $16,453 NZD
As of November 6, 2026
Save $13,311 NZD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $29,764 NZD 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 5556478233. Listed at 15 retailers as of November 5, 2026, with prices from $16,453 to $29,764, a $13,311 spread on the same certified stone. NZ Jewellers lists it at $29,764. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
D
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556478233
Dimensions11.25 × 5.99 × 3.81 mm
L/W Ratio1.88
Culet sizeNone
Top View
11.25 mm5.99 mm1.50 ctD / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 5556478233
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NDepth 63.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $20,012 NZD|Low: $16,453 NZD|High: $28,226 NZD|Avg: $21,302 NZD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$16,453 NZD
Retailer 8$17,859 NZD
Retailer 2$19,367 NZD
Retailer 7$19,644 NZD
Retailer 1$20,012 NZD
Retailer 6$22,100 NZD
Retailer 4$22,408 NZD
Retailer 3$27,816 NZD

41 data points across 8 retailers

15 retailers$16,453 NZD to $29,764 NZD

B+
Cheapest Retailer
-
$16,453 NZD
B+
Retailer 2
-
$16,569 NZD
View
Retailer 3
-
$17,859 NZD
View
Price last confirmed 21 days ago
B+
Retailer 4
-
$19,046 NZD
View
B+
Retailer 5
-
$19,347 NZD
View
B+
Retailer 6
-
$19,367 NZD
View
B+
Retailer 7
-
$19,644 NZD
View
B+
Retailer 8
-
$20,012 NZD
View
B
Retailer 9
-
$22,100 NZD
View
Retailer 10
-
$22,323 NZD
View
Price last confirmed 61 days ago
B
Retailer 11
-
$22,323 NZD
View
B
Retailer 12
-
$22,408 NZD
View
Retailer 13
-
$23,498 NZD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$27,816 NZD
View
Most Expensive
C
NZ Jewellers
89419e53-7d15-4e45-adab-21ed8ea5dcba · Nov 5
$29,764 NZD
$16,500 USD
View
14 more retailers have this diamond
Prices start from $16,453 NZDSave up to $13,311 NZD

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.

B+
1.50ct Marquise
$16,453 NZD