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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 $13,250 CAD
As of November 6, 2026
Save $10,067 CAD (43%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $23,318 CAD 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 $13,250 to $23,318, a $10,067 spread on the same certified stone. MOH London lists it at $23,318. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $23,318 CAD|Low: $13,250 CAD|High: $24,273 CAD|Avg: $17,547 CAD|-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 6, 2026
Retailer 11$13,250 CAD
Retailer 10$14,669 CAD
Retailer 13$15,139 CAD
Retailer 3$15,332 CAD
Retailer 2$16,020 CAD
Retailer 8$16,265 CAD
Retailer 5$16,951 CAD
Retailer 4$17,831 CAD
Retailer 12$18,332 CAD
Retailer 9$18,730 CAD
Retailer 7$18,857 CAD
Retailer 6$21,840 CAD
MOH London$23,318 CAD

45 data points across 13 retailers

12 retailers$13,250 CAD to $23,318 CAD

A
Cheapest Retailer
-
$13,250 CAD
Retailer 2
-
$14,669 CAD
View
Price last confirmed 26 days ago
B+
Retailer 3
-
$15,139 CAD
View
B+
Retailer 4
-
$15,332 CAD
View
B+
Retailer 5
-
$16,020 CAD
View
Retailer 6
-
$16,265 CAD
View
Price last confirmed 15 days ago
B+
Retailer 7
-
$17,831 CAD
View
B+
Retailer 8
-
$18,332 CAD
View
B+
Retailer 9
-
$18,730 CAD
View
B+
Retailer 10
-
$18,857 CAD
View
B
Retailer 11
-
$21,840 CAD
View
Most Expensive
B
MOH London
DECEFEC33 · Nov 4
$23,318 CAD
£13,053 GBP
View
11 more retailers have this diamond
Prices start from $13,250 CADSave up to $10,067 CAD

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
$13,250 CAD