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Marquise|Natural|GIA

1.20ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 7551514553

Certificate GIA 7551514553

Diamond specifications and retailer prices

From $3,979 CAD
As of November 5, 2026
Save $4,564 CAD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,543 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551514553. Listed at 14 retailers as of November 5, 2026, with prices from $3,979 to $8,543, a $4,564 spread on the same certified stone. NZ Jewellers lists it at $8,543. 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
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7551514553
Dimensions10.58 × 5.54 × 3.42 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Top View
10.58 mm5.54 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7551514553
Side View
Table 60.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 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: $4,757 CAD|Low: $3,979 CAD|High: $8,299 CAD|Avg: $5,221 CAD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$3,979 CAD
Retailer 6$3,980 CAD
Retailer 8$4,172 CAD
Retailer 9$4,613 CAD
Retailer 1$4,757 CAD
Retailer 3$5,043 CAD
Retailer 2$5,374 CAD
Retailer 4$5,984 CAD
Retailer 5$8,177 CAD

41 data points across 9 retailers

14 retailers$3,979 CAD to $8,543 CAD

B+
Cheapest Retailer
-
$3,979 CAD
B+
Retailer 2
-
$3,980 CAD
View
B+
Retailer 3
-
$4,172 CAD
View
B
Retailer 4
-
$4,443 CAD
View
Retailer 5
-
$4,443 CAD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$4,613 CAD
View
B+
Retailer 7
-
$4,757 CAD
View
B
Retailer 8
-
$5,043 CAD
View
B
Retailer 9
-
$5,126 CAD
View
B
Retailer 10
-
$5,374 CAD
View
Retailer 11
-
$5,556 CAD
View
Price last confirmed 14 days ago
B
Retailer 12
-
$5,984 CAD
View
B
Retailer 13
-
$8,177 CAD
View
Most Expensive
C
NZ Jewellers
e008bd19-801b-4e79-8965-be14f37f4664 · Nov 5
$8,543 CAD
$6,117 USD
View
13 more retailers have this diamond
Prices start from $3,979 CADSave up to $4,564 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.

B+
1.20ct Marquise
$3,979 CAD