Marquise|Natural|GIA

1.20ct D I1 Marquise Natural Diamond

D/I1

Diamond specifications and retailer prices

From $5,747 USD
As of October 31, 2026
Save $3,986 USD (41%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $9,733 USD at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from $5,747 to $9,733, a $3,986 spread on the same certified stone. NZ Jewellers lists it at $9,733. 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
Color
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: Oct 31
Current: $9,733 USD|Low: $5,747 USD|High: $11,425 USD|Avg: $8,472 USD|-14.8%
NZ Jewellers
Retailer 2
October 21, 2026
Retailer 2$5,747 USD
NZ Jewellers$9,733 USD

3 data points across 2 retailers

2 retailers$5,747 USD to $9,733 USD

C
Cheapest Retailer
-
$5,747 USD
Most Expensive
C
NZ Jewellers
779d8873-dde3-4e6f-9f4e-06b885df7134 · Oct 30
$9,733 USD
View
1 more retailer has this diamond
Prices start from $5,747 USDSave up to $3,986 USD

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
$5,747 USD