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Marquise|Natural|GIA

1.20ct D IF Marquise Natural Diamond

EX • D/IF • GIA 1555505756

Certificate GIA 1555505756

Diamond specifications and retailer prices

From $12,032 SGD
As of November 4, 2026
Save $9,142 SGD (43%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $21,174 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555505756. Listed at 12 retailers as of November 4, 2026, with prices from $12,032 to $21,174, a $9,142 spread on the same certified stone. MOH London lists it at $21,174. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.1°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 1555505756
Dimensions11.74 × 5.54 × 3.36 mm
L/W Ratio2.12
Top View
11.74 mm5.54 mm1.20 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555505756
Side View
Table 61.0%Crown 33.1°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 60.6%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $21,174 SGD|Low: $12,032 SGD|High: $22,042 SGD|Avg: $15,937 SGD|-3.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 11$12,032 SGD
Retailer 10$13,321 SGD
Retailer 13$13,748 SGD
Retailer 3$13,923 SGD
Retailer 2$14,547 SGD
Retailer 8$14,769 SGD
Retailer 5$15,393 SGD
Retailer 4$16,192 SGD
Retailer 12$16,647 SGD
Retailer 9$17,009 SGD
Retailer 6$17,123 SGD
Retailer 7$19,971 SGD
MOH London$21,174 SGD

44 data points across 13 retailers

12 retailers$12,032 SGD to $21,174 SGD

A
Cheapest Retailer
-
$12,032 SGD
Retailer 2
-
$13,321 SGD
View
Price last confirmed 24 days ago
B+
Retailer 3
-
$13,748 SGD
View
B+
Retailer 4
-
$13,923 SGD
View
B+
Retailer 5
-
$14,547 SGD
View
Retailer 6
-
$14,769 SGD
View
Price last confirmed 13 days ago
B+
Retailer 7
-
$16,192 SGD
View
B+
Retailer 8
-
$16,647 SGD
View
B+
Retailer 9
-
$17,009 SGD
View
B+
Retailer 10
-
$17,123 SGD
View
B
Retailer 11
-
$19,971 SGD
View
Most Expensive
B
MOH London
DECEFEC33 · Nov 4
$21,174 SGD
£13,053 GBP
View
11 more retailers have this diamond
Prices start from $12,032 SGDSave up to $9,142 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
$12,032 SGD