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Marquise|Natural|GIA

1.20ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 2556199559

Certificate GIA 2556199559

Diamond specifications and retailer prices

From $3,995 CAD
As of November 4, 2026
Save $3,143 CAD (44%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,138 CAD 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556199559. Listed at 11 retailers as of November 4, 2026, with prices from $3,995 to $7,138, a $3,143 spread on the same certified stone. Wholesale Diamonds Direct lists it at $7,138. 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
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.64°
Pavilion angle39.18°
OriginNatural
Grading LabGIA
CertificateGIA 2556199559
Dimensions11.28 × 5.34 × 3.34 mm
L/W Ratio2.11
Top View
11.28 mm5.34 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556199559
Side View
Table 59.0%Crown 39.64°Girdle: MED-THKPavilion 39.18°Culet: NoneDepth 62.5%

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 4
Current: $4,251 CAD|Low: $3,995 CAD|High: $7,873 CAD|Avg: $5,091 CAD|-8.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 6, 2026
Retailer 5$3,995 CAD
Retailer 4$4,092 CAD
Retailer 1$4,251 CAD
Retailer 6$4,307 CAD
Retailer 3$4,663 CAD
Retailer 9$4,812 CAD
Retailer 7$5,130 CAD
Retailer 8$5,242 CAD
Retailer 2$5,314 CAD
Wholesale Diamonds Direct$7,138 CAD

40 data points across 10 retailers

11 retailers$3,995 CAD to $7,138 CAD

A
Cheapest Retailer
-
$3,995 CAD
A
Retailer 2
-
$4,092 CAD
View
A
Retailer 3
-
$4,251 CAD
View
A
Retailer 4
-
$4,307 CAD
View
B+
Retailer 5
-
$4,663 CAD
View
B+
Retailer 6
-
$4,812 CAD
View
B+
Retailer 7
-
$5,130 CAD
View
B+
Retailer 8
-
$5,242 CAD
View
B+
Retailer 9
-
$5,314 CAD
View
B
Retailer 10
-
$5,781 CAD
View
Most Expensive
B
Wholesale Diamonds Direct
369337227 · Nov 6
$7,138 CAD
$5,075 USD
View
10 more retailers have this diamond
Prices start from $3,995 CADSave up to $3,143 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
$3,995 CAD