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Round|Natural|GIA

1.20ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1498706583

Certificate GIA 1498706583

Diamond specifications and retailer prices

From $3,401 CAD
As of November 4, 2026
Save $4,127 CAD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,528 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 1498706583. Listed at 21 retailers as of November 4, 2026, with prices from $3,401 to $7,528, a $4,127 spread on the same certified stone. NZ Jewellers lists it at $7,528. 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
FluorescenceFaint
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1498706583
Dimensions6.74 × 6.78 × 4.22 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Top View
6.74 mm6.78 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1498706583
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

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: $4,443 CAD|Low: $3,116 CAD|High: $7,313 CAD|Avg: $4,608 CAD|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$3,401 CAD
Retailer 8$3,613 CAD
Retailer 7$3,677 CAD
Retailer 10$4,066 CAD
Retailer 1$4,443 CAD
Retailer 3$4,473 CAD
Retailer 9$4,616 CAD
Retailer 5$4,716 CAD
Retailer 4$5,274 CAD
Retailer 6$7,206 CAD

43 data points across 10 retailers

21 retailers$3,401 CAD to $7,528 CAD

B+
Cheapest Retailer
-
$3,401 CAD
B+
Retailer 2
-
$3,405 CAD
View
B+
Retailer 3
-
$3,505 CAD
View
B+
Retailer 4
-
$3,613 CAD
View
Final sale: no returns
Retailer 5
-
$3,677 CAD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$3,841 CAD
View
Retailer 7
-
$3,915 CAD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$3,915 CAD
View
B
Retailer 9
-
$3,959 CAD
View
B
Retailer 10
-
$4,066 CAD
View
B
Retailer 11
-
$4,399 CAD
View
B
Retailer 12
-
$4,399 CAD
View
B+
Retailer 13
-
$4,443 CAD
View
B
Retailer 14
-
$4,473 CAD
View
B
Retailer 15
-
$4,514 CAD
View
B
Retailer 16
-
$4,539 CAD
View
Retailer 17
-
$4,616 CAD
View
Price last confirmed 30 days ago
B
Retailer 18
-
$4,716 CAD
View
B
Retailer 19
-
$5,274 CAD
View
B
Retailer 20
-
$7,206 CAD
View
Most Expensive
B
NZ Jewellers
39fc103d-9290-4738-bcea-93388e39eadb · Nov 5
$7,528 CAD
$5,390 USD
View
20 more retailers have this diamond
Prices start from $3,401 CADSave up to $4,127 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
$3,401 CAD