Marquise|Natural|GIA

1.20ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6542897393

Certificate GIA 6542897393

Diamond specifications and retailer prices

From $5,621 CAD
As of November 6, 2026
Save $7,093 CAD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,714 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542897393. Listed at 19 retailers as of November 5, 2026, with prices from $5,621 to $12,714, a $7,093 spread on the same certified stone. NZ Jewellers lists it at $12,714. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.57°
Pavilion angle40.33°
OriginNatural
Grading LabGIA
CertificateGIA 6542897393
Dimensions9.88 × 5.55 × 3.62 mm
L/W Ratio1.78
Top View
9.88 mm5.55 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542897393
Side View
Table 58.0%Crown 36.57°Girdle: Thick - Very ThickPavilion 40.33°Culet: NoneDepth 65.2%

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 6
Current: $12,714 CAD|Low: $5,621 CAD|High: $12,714 CAD|Avg: $7,915 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 15$5,621 CAD
Retailer 5$5,880 CAD
Retailer 8$6,005 CAD
Retailer 9$6,206 CAD
Retailer 7$6,356 CAD
Retailer 6$6,484 CAD
Retailer 11$6,826 CAD
Retailer 4$6,887 CAD
Retailer 17$6,887 CAD
Retailer 20$6,887 CAD
Retailer 13$7,344 CAD
Retailer 2$7,373 CAD
Retailer 10$7,805 CAD
Retailer 18$7,946 CAD
Retailer 12$8,389 CAD
Retailer 19$8,568 CAD
Retailer 14$9,274 CAD
Retailer 3$11,111 CAD
Retailer 16$12,073 CAD
NZ Jewellers$12,714 CAD

19 data points across 20 retailers

19 retailers$5,621 CAD to $12,714 CAD

B+
Cheapest Retailer
-
$5,621 CAD
Retailer 2
-
$5,880 CAD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
$6,005 CAD
View
Retailer 4
-
$6,206 CAD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$6,356 CAD
View
Final sale: no returns
B
Retailer 6
-
$6,484 CAD
View
B+
Retailer 7
-
$6,826 CAD
View
B+
Retailer 8
-
$6,887 CAD
View
Retailer 9
-
$6,887 CAD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$6,887 CAD
View
B+
Retailer 11
-
$7,344 CAD
View
B+
Retailer 12
-
$7,373 CAD
View
B
Retailer 13
-
$7,805 CAD
View
B
Retailer 14
-
$7,946 CAD
View
B
Retailer 15
-
$8,568 CAD
View
B
Retailer 16
-
$9,274 CAD
View
Retailer 17
-
$11,111 CAD
View
Price last confirmed 10 days ago
B
Retailer 18
-
$12,073 CAD
View
Most Expensive
B
NZ Jewellers
bfcf407f-f0da-4af0-9378-9ff0602b0a3e · Nov 5
$12,714 CAD
$9,039 USD
View
18 more retailers have this diamond
Prices start from $5,621 CADSave up to $7,093 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
$5,621 CAD