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Marquise|Natural|GIA

1.20ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 2564327633

Certificate GIA 2564327633

Diamond specifications and retailer prices

From $5,906 SGD
As of November 6, 2026
Save $7,272 SGD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $13,177 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 2564327633. Listed at 15 retailers as of November 5, 2026, with prices from $5,906 to $13,177, a $7,272 spread on the same certified stone. NZ Jewellers lists it at $13,177. 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 2564327633
Dimensions10.62 × 5.50 × 3.41 mm
L/W Ratio1.93
Culet sizeNone
Key to symbols
Crystal, Feather, Knot, Twinning Wisp, Cavity, Needle, Indented Natural
Top View
10.62 mm5.50 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2564327633
Side View
Table 60.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 62.0%

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 6
Current: $13,177 SGD|Low: $5,856 SGD|High: $13,547 SGD|Avg: $8,128 SGD|-2.7%
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
November 6, 2026
Retailer 11$5,906 SGD
Retailer 2$5,933 SGD
Retailer 6$6,677 SGD
Retailer 3$6,736 SGD
Retailer 5$7,026 SGD
Retailer 4$7,273 SGD
Retailer 8$7,643 SGD
Retailer 12$7,879 SGD
Retailer 13$7,879 SGD
Retailer 7$8,006 SGD
Retailer 15$8,201 SGD
Retailer 14$9,090 SGD
Retailer 10$9,093 SGD
Retailer 9$11,577 SGD
NZ Jewellers$13,177 SGD

27 data points across 15 retailers

15 retailers$5,906 SGD to $13,177 SGD

B+
Cheapest Retailer
-
$5,906 SGD
B+
Retailer 2
-
$5,933 SGD
View
Retailer 3
-
$6,677 SGD
View
Price last confirmed 10 days ago
Retailer 4
-
$6,736 SGD
View
Price last confirmed 15 days ago
B+
Retailer 5
-
$7,026 SGD
View
B
Retailer 6
-
$7,273 SGD
View
Final sale: no returns
B
Retailer 7
-
$7,643 SGD
View
B
Retailer 8
-
$7,879 SGD
View
B
Retailer 9
-
$7,879 SGD
View
Retailer 10
-
$8,006 SGD
View
Price last confirmed 28 days ago
B
Retailer 11
-
$8,201 SGD
View
B
Retailer 12
-
$9,090 SGD
View
B
Retailer 13
-
$9,093 SGD
View
B
Retailer 14
-
$11,577 SGD
View
Most Expensive
B
NZ Jewellers
16ee0a86-0425-4dd0-b086-87179b70aa03 · Nov 5
$13,177 SGD
$10,282 USD
View
14 more retailers have this diamond
Prices start from $5,906 SGDSave up to $7,272 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
$5,906 SGD