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Marquise|Natural|GIA

1.20ct D I1 Marquise Natural Diamond

D/I1

Diamond specifications and retailer prices

From $10,214 NZD
$5,747 USD
As of November 2, 2026
Save $7,084 NZD (41%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $17,298 NZD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded D colour (colourless) and I1 clarity (included) and certified by GIA. Listed at 2 retailers as of November 2, 2026, with prices from $10,214 to $17,298, a $7,084 spread on the same certified stone. NZ Jewellers lists it at $17,298. 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

1.20
Carat
D
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
Dimensions11.90 × 5.40 × 3.17 mm
L/W Ratio2.20
Top View
11.90 mm5.40 mm1.20 ctD / I1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA
Side View
Table 62.0%CrownGirdle: MediumPavilionCuletDepth 58.6%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 2
Current: $17,298 NZD|Low: $10,214 NZD|High: $20,306 NZD|Avg: $15,056 NZD|-14.8%
NZ Jewellers
Retailer 2
October 21, 2026
Retailer 2$10,214 NZD
NZ Jewellers$17,298 NZD

3 data points across 2 retailers

2 retailers$10,214 NZD to $17,298 NZD

C
Cheapest Retailer
-
$10,214 NZD
$5,747 USD
Most Expensive
C
NZ Jewellers
779d8873-dde3-4e6f-9f4e-06b885df7134 · Nov 3
$17,298 NZD
$9,733 USD
View
1 more retailer has this diamond
Prices start from $10,214 NZDSave up to $7,084 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.

C
1.20ct Marquise
$10,214 NZD