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Round|Natural|GIA

1.20ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2507070551

Certificate GIA 2507070551

Diamond specifications and retailer prices

From $2,091 CAD
As of November 6, 2026
Save $4,708 CAD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,799 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2507070551. Listed at 19 retailers as of November 5, 2026, with prices from $2,091 to $6,799, a $4,708 spread on the same certified stone. NZ Jewellers lists it at $6,799. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2507070551
Dimensions6.77 × 6.73 × 4.26 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
6.77 mm6.73 mm1.20 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2507070551
Side View
Table 56.0%Crown 36°Girdle: Sli. ThickPavilion 41.2°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,799 CAD|Low: $2,073 CAD|High: $6,799 CAD|Avg: $3,175 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
November 6, 2026
Retailer 16$2,091 CAD
Retailer 2$2,109 CAD
Retailer 15$2,451 CAD
Retailer 7$2,518 CAD
Retailer 10$2,647 CAD
Retailer 11$2,666 CAD
Retailer 8$2,769 CAD
Retailer 6$2,788 CAD
Retailer 17$2,788 CAD
Retailer 18$2,916 CAD
Retailer 9$2,919 CAD
Retailer 5$2,979 CAD
Retailer 12$3,010 CAD
Retailer 4$3,216 CAD
Retailer 13$3,581 CAD
Retailer 3$4,059 CAD
Retailer 14$4,870 CAD
NZ Jewellers$6,799 CAD

23 data points across 18 retailers

19 retailers$2,091 CAD to $6,799 CAD

A
Cheapest Retailer
-
$2,091 CAD
A
Retailer 2
-
$2,109 CAD
View
A
Retailer 3
-
$2,451 CAD
View
A
Retailer 4
-
$2,518 CAD
View
Retailer 5
-
$2,528 CAD
View
Price last confirmed 109 days ago
Retailer 6
-
$2,647 CAD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$2,666 CAD
View
A
Retailer 8
-
$2,769 CAD
View
B+
Retailer 9
-
$2,788 CAD
View
Retailer 10
-
$2,788 CAD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$2,916 CAD
View
Retailer 12
-
$2,919 CAD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
$2,979 CAD
View
B+
Retailer 14
-
$3,010 CAD
View
B+
Retailer 15
-
$3,216 CAD
View
B+
Retailer 16
-
$3,581 CAD
View
B
Retailer 17
-
$4,059 CAD
View
B
Retailer 18
-
$4,870 CAD
View
Most Expensive
C
NZ Jewellers
f681003a-2f6a-4e28-bfee-41408dd3dba0 · Nov 5
$6,799 CAD
$4,868 USD
View
18 more retailers have this diamond
Prices start from $2,091 CADSave up to $4,708 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 Round
$2,091 CAD