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Marquise|Natural|GIA

1.20ct F I1 Marquise Natural Diamond

F/I1 • GIA 2557054863

Certificate GIA 2557054863

Diamond specifications and retailer prices

From $4,182 SGD
HK$25,500 HKD
As of November 1, 2026
Save $5,186 SGD (55%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,368 SGD 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 F colour (colourless) and I1 clarity (included) and certified by GIA 2557054863. Listed at 8 retailers as of November 1, 2026, with prices from $4,182 to $9,368, a $5,186 spread on the same certified stone. NZ Jewellers lists it at $9,368. 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
F
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557054863
Dimensions10.56 × 5.47 × 3.53 mm
L/W Ratio1.93
Top View
10.56 mm5.47 mm1.20 ctF / I1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557054863
Side View
Table 54.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.5%

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 1
Current: $9,368 SGD|Low: $4,149 SGD|High: $9,879 SGD|Avg: $5,780 SGD|-5.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 3$4,182 SGD
Retailer 2$4,208 SGD
Retailer 6$4,963 SGD
Retailer 7$5,085 SGD
Retailer 4$5,377 SGD
Retailer 5$5,377 SGD
Retailer 8$6,205 SGD
NZ Jewellers$9,368 SGD

46 data points across 8 retailers

8 retailers$4,182 SGD to $9,368 SGD

B+
Cheapest Retailer
-
$4,182 SGD
HK$25,500 HKD
B+
Retailer 2
-
$4,208 SGD
₹312,784 INR
View
B
Retailer 3
-
$4,963 SGD
$3,874 USD
View
Final sale: no returns
B
Retailer 4
-
$5,085 SGD
$3,969 USD
View
B
Retailer 5
-
$5,377 SGD
$4,197 USD
View
B
Retailer 6
-
$5,377 SGD
$4,197 USD
View
B
Retailer 7
-
$6,205 SGD
$4,843 USD
View
Most Expensive
C
NZ Jewellers
f13b5eee-02de-4667-80aa-2fba9d58c56d · Nov 3
$9,368 SGD
$7,312 USD
View
7 more retailers have this diamond
Prices start from $4,182 SGDSave up to $5,186 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.

B+
1.20ct Marquise
$4,182 SGD