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Marquise|Natural|GIA

1.20ct D I1 Marquise Natural Diamond

D/I1

Diamond specifications and retailer prices

From $7,350 SGD
$5,747 USD
As of November 2, 2026
Save $5,098 SGD (41%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $12,448 SGD 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 $7,350 to $12,448, a $5,098 spread on the same certified stone. NZ Jewellers lists it at $12,448. 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: $12,448 SGD|Low: $7,350 SGD|High: $14,611 SGD|Avg: $10,834 SGD|-14.8%
NZ Jewellers
Retailer 2
October 21, 2026
Retailer 2$7,350 SGD
NZ Jewellers$12,448 SGD

3 data points across 2 retailers

2 retailers$7,350 SGD to $12,448 SGD

C
Cheapest Retailer
-
$7,350 SGD
$5,747 USD
Most Expensive
C
NZ Jewellers
779d8873-dde3-4e6f-9f4e-06b885df7134 · Oct 30
$12,448 SGD
$9,733 USD
View
1 more retailer has this diamond
Prices start from $7,350 SGDSave up to $5,098 SGD

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
$7,350 SGD