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Marquise|Natural|GIA

1.20ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 5563274178

Certificate GIA 5563274178

Diamond specifications and retailer prices

From $4,625 SGD
As of November 6, 2026
Save $6,122 SGD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $10,747 SGD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5563274178. Listed at 21 retailers as of November 5, 2026, with prices from $4,625 to $10,747, a $6,122 spread on the same certified stone. NZ Jewellers lists it at $10,747. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.20
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5563274178
Dimensions10.11 × 5.49 × 3.53 mm
L/W Ratio1.84
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Cavity, Needle, Indented Natural, Natural
Top View
10.11 mm5.49 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5563274178
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $10,747 SGD|Low: $4,577 SGD|High: $10,905 SGD|Avg: $6,753 SGD|-1.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 17$4,625 SGD
Retailer 14$4,770 SGD
Retailer 2$4,809 SGD
Retailer 7$5,465 SGD
Retailer 6$5,498 SGD
Retailer 11$5,985 SGD
Retailer 12$6,038 SGD
Retailer 3$6,170 SGD
Retailer 4$6,170 SGD
Retailer 9$6,170 SGD
Retailer 5$6,362 SGD
Retailer 8$6,525 SGD
Retailer 16$6,980 SGD
Retailer 10$7,118 SGD
Retailer 13$7,527 SGD
Retailer 18$9,504 SGD
Retailer 15$9,799 SGD
NZ Jewellers$10,747 SGD

26 data points across 18 retailers

21 retailers$4,625 SGD to $10,747 SGD

A
Cheapest Retailer
-
$4,625 SGD
A
Retailer 2
-
$4,770 SGD
View
A
Retailer 3
-
$4,809 SGD
View
B+
Retailer 4
-
$5,465 SGD
View
B+
Retailer 5
-
$5,498 SGD
View
B+
Retailer 6
-
$5,704 SGD
View
B+
Retailer 7
-
$5,710 SGD
View
B+
Retailer 8
-
$5,985 SGD
View
B+
Retailer 9
-
$6,038 SGD
View
B
Retailer 10
-
$6,170 SGD
View
Retailer 11
-
$6,170 SGD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$6,170 SGD
View
Retailer 13
-
$6,309 SGD
View
Price last confirmed 29 days ago
B+
Retailer 14
-
$6,362 SGD
View
B+
Retailer 15
-
$6,525 SGD
View
B+
Retailer 16
-
$6,980 SGD
View
B+
Retailer 17
-
$7,118 SGD
View
B
Retailer 18
-
$7,527 SGD
View
Retailer 19
-
$9,504 SGD
View
Price last confirmed 10 days ago
B
Retailer 20
-
$9,799 SGD
View
Most Expensive
B
NZ Jewellers
d2dedced-70e1-44c1-b269-040c0abc1bf8 · Nov 5
$10,747 SGD
$8,386 USD
View
20 more retailers have this diamond
Prices start from $4,625 SGDSave up to $6,122 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.

A
1.20ct Marquise
$4,625 SGD