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Round|Natural|GIA

1.20ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 5563366918

Certificate GIA 5563366918

Diamond specifications and retailer prices

From $3,350 CAD
As of November 4, 2026
Save $4,994 CAD (60%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,345 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5563366918. Listed at 20 retailers as of November 4, 2026, with prices from $3,350 to $8,345, a $4,994 spread on the same certified stone. NZ Jewellers lists it at $8,345. 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
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5563366918
Dimensions6.76 × 6.71 × 4.24 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.76 mm6.71 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563366918
Side View
Table 58.0%Crown 35.5°Girdle: Med. - Sli. ThickPavilion 41.2°Culet: NDepth 62.9%

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 4
Current: $8,345 CAD|Low: $3,350 CAD|High: $8,415 CAD|Avg: $4,419 CAD|-0.8%
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
November 6, 2026
Retailer 11$3,350 CAD
Retailer 4$3,575 CAD
Retailer 15$3,610 CAD
Retailer 7$3,684 CAD
Retailer 2$3,767 CAD
Retailer 5$3,778 CAD
Retailer 8$3,910 CAD
Retailer 3$3,991 CAD
Retailer 18$3,991 CAD
Retailer 9$4,064 CAD
Retailer 16$4,145 CAD
Retailer 6$4,190 CAD
Retailer 12$4,200 CAD
Retailer 19$4,300 CAD
Retailer 17$4,606 CAD
Retailer 13$4,638 CAD
Retailer 14$4,871 CAD
Retailer 10$7,030 CAD
NZ Jewellers$8,345 CAD

22 data points across 19 retailers

20 retailers$3,350 CAD to $8,345 CAD

B+
Cheapest Retailer
-
$3,350 CAD
B+
Retailer 2
-
$3,575 CAD
View
B+
Retailer 3
-
$3,610 CAD
View
B+
Retailer 4
-
$3,684 CAD
View
Final sale: no returns
B+
Retailer 5
-
$3,767 CAD
View
B+
Retailer 6
-
$3,778 CAD
View
B+
Retailer 7
-
$3,910 CAD
View
Retailer 8
-
$3,991 CAD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$3,991 CAD
View
B
Retailer 10
-
$4,064 CAD
View
B+
Retailer 11
-
$4,145 CAD
View
B+
Retailer 12
-
$4,190 CAD
View
B+
Retailer 13
-
$4,200 CAD
View
B
Retailer 14
-
$4,300 CAD
View
Retailer 15
-
$4,545 CAD
View
Price last confirmed 30 days ago
B
Retailer 16
-
$4,606 CAD
View
B
Retailer 17
-
$4,638 CAD
View
B
Retailer 18
-
$4,871 CAD
View
Retailer 19
-
$7,030 CAD
View
Price last confirmed 8 days ago
Most Expensive
C
NZ Jewellers
c26a791f-a9ff-49b9-a78d-805b9b2c0b33 · Nov 5
$8,345 CAD
$5,975 USD
View
19 more retailers have this diamond
Prices start from $3,350 CADSave up to $4,994 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 Round
$3,350 CAD