CaratHunter
Plans
Round|Natural|IGI

1.23ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 654416413

Shape and cutting style on the report: Round brilliant

Certificate IGI 654416413

Diamond specifications and retailer prices

From $2,980 CAD
As of November 5, 2026
Save $1,109 CAD (27%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,152 CAD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 654416413. Listed at 17 retailers as of November 5, 2026, with a 37% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
J
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 654416413
Dimensions6.88 × 6.93 × 4.17 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.88 mm6.93 mm1.23 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 654416413
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.4%

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: $3,627 CAD|Low: $2,570 CAD|High: $6,065 CAD|Avg: $3,743 CAD|+3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$2,980 CAD
Retailer 10$3,084 CAD
Retailer 8$3,092 CAD
Retailer 6$3,296 CAD
Retailer 2$3,341 CAD
Retailer 1$3,627 CAD
Retailer 4$3,786 CAD
Retailer 5$4,028 CAD
Retailer 3$4,089 CAD
Retailer 9$6,025 CAD

30 data points across 10 retailers

17 retailers$2,980 CAD to $4,089 CAD

A
Cheapest Retailer
-
$2,980 CAD
A
Retailer 2
-
$3,092 CAD
View
A
Retailer 3
-
$3,296 CAD
View
Retailer 4
-
$3,341 CAD
View
Price last confirmed 56 days ago
Retailer 5
-
$3,341 CAD
View
Price last confirmed 44 days ago
Retailer 6
-
$3,420 CAD
View
Price last confirmed 21 days ago
Retailer 7
-
$3,420 CAD
View
Price last confirmed 19 days ago
A
Retailer 8
-
$3,627 CAD
View
B+
Retailer 9
-
$3,786 CAD
View
Retailer 10
-
$3,855 CAD
View
Price last confirmed 60 days ago
Retailer 11
-
$3,855 CAD
View
Price last confirmed 45 days ago
B+
Retailer 12
-
$4,028 CAD
View
B+
Retailer 13
-
$4,089 CAD
View
Retailer 14
-
$6,025 CAD
View
Price last confirmed 16 days ago
Retailer 15
-
$6,983 CAD
View
Price last confirmed 57 days ago
Retailer 16
-
$6,983 CAD
View
Price last confirmed 46 days ago
Most Expensive
NZ Jewellers
419cd0ef-59bd-4bf4-b2be-aa5af84a668b · Oct 17
$7,152 CAD
$5,121 USD
View
Price last confirmed 19 days ago
16 more retailers have this diamond
Prices start from $2,980 CADSave up to $1,109 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
$2,980 CAD