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Marquise|Natural|GIA

1.20ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 6562677258

Certificate GIA 6562677258

Diamond specifications and retailer prices

From $6,569 SGD
As of November 4, 2026
Save $5,340 SGD (45%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,910 SGD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 6562677258. Listed at 16 retailers as of November 4, 2026, with prices from $6,569 to $11,910, a $5,340 spread on the same certified stone. Wholesale Diamonds Direct lists it at $11,910. 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
SymmetryExcellent
FluorescenceNone
Crown angle37.75°
Pavilion angle41.96°
OriginNatural
Grading LabGIA
CertificateGIA 6562677258
Dimensions10.65 × 5.51 × 3.51 mm
L/W Ratio1.93
Culet sizeNone
Top View
10.65 mm5.51 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562677258
Side View
Table 60.0%Crown 37.75°Girdle: VTN-THKPavilion 41.96°Culet: NDepth 63.8%

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 4
Current: $9,312 SGD|Low: $6,569 SGD|High: $11,910 SGD|Avg: $8,372 SGD
Retailer 1
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
Wholesale Diamonds Direct
November 6, 2026
Retailer 6$6,569 SGD
Retailer 2$6,751 SGD
Retailer 7$6,798 SGD
Retailer 10$6,876 SGD
Retailer 11$6,951 SGD
Retailer 12$7,062 SGD
Retailer 15$7,110 SGD
Retailer 9$7,427 SGD
Retailer 4$7,920 SGD
Retailer 5$8,321 SGD
Retailer 8$8,329 SGD
Retailer 13$8,353 SGD
Retailer 1$9,312 SGD
Retailer 14$11,322 SGD
Retailer 3$11,584 SGD
Wholesale Diamonds Direct$11,910 SGD

16 data points across 16 retailers

16 retailers$6,569 SGD to $11,910 SGD

B+
Cheapest Retailer
-
$6,569 SGD
B+
Retailer 2
-
$6,751 SGD
View
B+
Retailer 3
-
$6,798 SGD
View
B+
Retailer 4
-
$6,876 SGD
View
B
Retailer 5
-
$6,951 SGD
View
B
Retailer 6
-
$7,062 SGD
View
B
Retailer 7
-
$7,110 SGD
View
B
Retailer 8
-
$7,427 SGD
View
B
Retailer 9
-
$7,920 SGD
View
B
Retailer 10
-
$8,321 SGD
View
B
Retailer 11
-
$8,329 SGD
View
B
Retailer 12
-
$8,353 SGD
View
B
Retailer 13
-
$9,312 SGD
View
B
Retailer 14
-
$11,322 SGD
View
B
Retailer 15
-
$11,584 SGD
View
Most Expensive
B
Wholesale Diamonds Direct
600306054 · Nov 6
$11,910 SGD
$9,293 USD
View
15 more retailers have this diamond
Prices start from $6,569 SGDSave up to $5,340 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
$6,569 SGD