CaratHunter
Plans
Marquise|Natural|GIA

1.20ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 2566588407

Certificate GIA 2566588407

Diamond specifications and retailer prices

From $6,446 SGD
As of November 5, 2026
Save $5,057 SGD (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $11,504 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 2566588407. Listed at 15 retailers as of November 5, 2026, with prices from $6,446 to $11,504, a $5,057 spread on the same certified stone. Wholesale Diamonds Direct lists it at $11,504. 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
Crown angle39.73°
Pavilion angle39.25°
OriginNatural
Grading LabGIA
CertificateGIA 2566588407
Dimensions10.89 × 5.44 × 3.36 mm
L/W Ratio2.00
Culet sizeNone
Top View
10.89 mm5.44 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566588407
Side View
Table 57.0%Crown 39.73°Girdle: MED-THKPavilion 39.25°Culet: NDepth 61.7%

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 5
Current: $8,988 SGD|Low: $6,446 SGD|High: $11,504 SGD|Avg: $8,193 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
Wholesale Diamonds Direct
November 6, 2026
Retailer 9$6,446 SGD
Retailer 13$6,517 SGD
Retailer 4$6,708 SGD
Retailer 2$6,837 SGD
Retailer 12$6,863 SGD
Retailer 8$7,071 SGD
Retailer 7$7,242 SGD
Retailer 6$8,039 SGD
Retailer 5$8,051 SGD
Retailer 11$8,077 SGD
Retailer 1$8,988 SGD
Retailer 10$10,927 SGD
Retailer 3$11,178 SGD
Wholesale Diamonds Direct$11,504 SGD

22 data points across 14 retailers

15 retailers$6,446 SGD to $11,504 SGD

B+
Cheapest Retailer
-
$6,446 SGD
B+
Retailer 2
-
$6,517 SGD
View
Retailer 3
-
$6,599 SGD
View
Price last confirmed 11 days ago
B+
Retailer 4
-
$6,708 SGD
View
B+
Retailer 5
-
$6,837 SGD
View
B+
Retailer 6
-
$6,863 SGD
View
B
Retailer 7
-
$7,071 SGD
View
B+
Retailer 8
-
$7,242 SGD
View
B
Retailer 9
-
$8,039 SGD
View
B
Retailer 10
-
$8,051 SGD
View
B
Retailer 11
-
$8,077 SGD
View
B
Retailer 12
-
$8,988 SGD
View
B
Retailer 13
-
$10,927 SGD
View
B
Retailer 14
-
$11,178 SGD
View
Most Expensive
B
Wholesale Diamonds Direct
661914535 · Nov 6
$11,504 SGD
$8,976 USD
View
14 more retailers have this diamond
Prices start from $6,446 SGDSave up to $5,057 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
$6,446 SGD