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Round|Natural|GIA

1.20ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2566395736

Certificate GIA 2566395736

Diamond specifications and retailer prices

From $2,148 CAD
SGD 2,078 SGD
As of October 29, 2026
Save $2,005 CAD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,153 CAD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 2566395736. Listed at 10 retailers as of October 26, 2026, with prices from $2,148 to $4,153, a $2,005 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,153. 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 angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2566395736
Dimensions6.72 × 4.24 × 4.24 mm
L/W Ratio1.58
Culet sizeNone
Top View
6.72 mm4.24 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566395736
Side View
Table 57.0%Crown 36.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.9%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $2,775 CAD|Low: $2,148 CAD|High: $4,315 CAD|Avg: $3,147 CAD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
October 30, 2026
Retailer 5$2,148 CAD
Retailer 2$2,505 CAD
Retailer 7$2,752 CAD
Retailer 3$2,766 CAD
Retailer 1$2,775 CAD
Retailer 8$2,787 CAD
Retailer 6$3,264 CAD
Retailer 9$3,353 CAD
Retailer 4$3,853 CAD
Wholesale Diamonds Direct$4,153 CAD

33 data points across 10 retailers

10 retailers$2,148 CAD to $4,153 CAD

A
Cheapest Retailer
-
$2,148 CAD
SGD 2,078 SGD
A
Retailer 2
-
$2,505 CAD
$1,793 USD
View
A
Retailer 3
-
$2,752 CAD
SGD 2,662 SGD
View
A
Retailer 4
-
$2,766 CAD
$1,980 USD
View
A
Retailer 5
-
$2,775 CAD
£1,564 GBP
View
A
Retailer 6
-
$2,787 CAD
$1,995 USD
View
B+
Retailer 7
-
$3,264 CAD
$2,337 USD
View
B+
Retailer 8
-
$3,353 CAD
£1,890 GBP
View
B
Retailer 9
-
$3,853 CAD
$2,758 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
571683449 · Oct 26
$4,153 CAD
$2,973 USD
View
9 more retailers have this diamond
Prices start from $2,148 CADSave up to $2,005 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
$2,148 CAD