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Round|Natural|GIA

1.23ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2556885249

Certificate GIA 2556885249

Diamond specifications and retailer prices

From $2,184 CAD
As of November 5, 2026
Save $1,920 CAD (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,104 CAD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.23ct natural round diamond

This 1.23ct 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 2556885249. Listed at 9 retailers as of November 4, 2026, with prices from $2,184 to $4,104, a $1,920 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,104. 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

1.23
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2556885249
Dimensions6.80 × 4.26 × 4.26 mm
L/W Ratio1.60
Culet sizeNone
Top View
6.80 mm4.26 mm1.23 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556885249
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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: Nov 5
Current: $2,184 CAD|Low: $2,173 CAD|High: $4,479 CAD|Avg: $3,119 CAD|-7.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 5, 2026
Retailer 1$2,184 CAD
Retailer 7$2,374 CAD
Retailer 8$2,538 CAD
Retailer 3$2,726 CAD
Retailer 6$2,730 CAD
Retailer 4$3,193 CAD
Retailer 5$3,243 CAD
Retailer 2$3,504 CAD
Wholesale Diamonds Direct$4,104 CAD

39 data points across 9 retailers

9 retailers$2,184 CAD to $4,104 CAD

A
Cheapest Retailer
-
$2,184 CAD
A
Retailer 2
-
$2,374 CAD
View
A
Retailer 3
-
$2,538 CAD
View
A
Retailer 4
-
$2,726 CAD
View
A
Retailer 5
-
$2,730 CAD
View
B+
Retailer 6
-
$3,193 CAD
View
B+
Retailer 7
-
$3,243 CAD
View
B+
Retailer 8
-
$3,504 CAD
View
Most Expensive
B
Wholesale Diamonds Direct
570868291 · Nov 4
$4,104 CAD
$2,939 USD
View
8 more retailers have this diamond
Prices start from $2,184 CADSave up to $1,920 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
1.23ct Round
$2,184 CAD