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Marquise|Natural|GIA

1.20ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 1246030164

Certificate GIA 1246030164

Diamond specifications and retailer prices

From $6,984 CAD
As of November 4, 2026
Save $6,004 CAD (46%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $12,989 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1246030164. Listed at 12 retailers as of November 4, 2026, with prices from $6,984 to $12,989, a $6,004 spread on the same certified stone. MOH London lists it at $12,989. 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
E
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1246030164
Dimensions10.54 × 5.54 × 3.52 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Top View
10.54 mm5.54 mm1.20 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246030164
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $12,989 CAD|Low: $6,984 CAD|High: $13,180 CAD|Avg: $9,271 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$6,984 CAD
Retailer 6$7,028 CAD
Retailer 5$8,370 CAD
Retailer 3$8,396 CAD
Retailer 2$8,692 CAD
Retailer 4$12,096 CAD
MOH London$12,989 CAD

37 data points across 7 retailers

12 retailers$6,984 CAD to $12,989 CAD

B+
Cheapest Retailer
-
$6,984 CAD
B+
Retailer 2
-
$7,028 CAD
View
B+
Retailer 3
-
$7,454 CAD
View
B+
Retailer 4
-
$8,370 CAD
View
B+
Retailer 5
-
$8,396 CAD
View
B+
Retailer 6
-
$8,692 CAD
View
B
Retailer 7
-
$8,938 CAD
View
B
Retailer 8
-
$8,938 CAD
View
B
Retailer 9
-
$9,232 CAD
View
Retailer 10
-
$9,747 CAD
View
Price last confirmed 14 days ago
Retailer 11
-
$12,096 CAD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
0B3BA7F49 · Nov 4
$12,989 CAD
£7,323 GBP
View
11 more retailers have this diamond
Prices start from $6,984 CADSave up to $6,004 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
$6,984 CAD