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Round|Natural|IGI

1.23ct J IF Round Natural Diamond

EX • J/IF • IGI 627491779

Shape and cutting style on the report: Round brilliant

Certificate IGI 627491779

Diamond specifications and retailer prices

From $3,570 CAD
$2,556 USD
As of October 30, 2026
Save $4,766 CAD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,337 CAD at NZ Jewellers · As of September 21, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 627491779. Listed at 18 retailers as of October 30, 2026, with a 133% 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 627491779
Dimensions6.96 × 6.88 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.96 mm6.88 mm1.23 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 627491779
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.6%

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: Oct 30
Current: $8,337 CAD|Low: $3,570 CAD|High: $8,553 CAD|Avg: $4,796 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3$3,570 CAD
Retailer 9$3,626 CAD
Retailer 6$3,904 CAD
Retailer 8$3,987 CAD
Retailer 11$3,987 CAD
Retailer 4$4,313 CAD
Retailer 10$4,666 CAD
Retailer 2$4,669 CAD
Retailer 7$4,855 CAD
Retailer 5$7,024 CAD
NZ Jewellers$8,337 CAD

38 data points across 11 retailers

18 retailers$3,570 CAD to $8,337 CAD

A
Cheapest Retailer
-
$3,570 CAD
$2,556 USD
A
Retailer 2
-
$3,626 CAD
$2,596 USD
View
Retailer 3
-
$3,857 CAD
$2,761 USD
View
Price last confirmed 96 days ago
A
Retailer 4
-
$3,904 CAD
$2,795 USD
View
Retailer 5
-
$3,987 CAD
$2,854 USD
View
Price last confirmed 50 days ago
Retailer 6
-
$3,987 CAD
$2,854 USD
View
Price last confirmed 37 days ago
A
Retailer 7
-
$3,987 CAD
$2,854 USD
View
A
Retailer 8
-
$3,987 CAD
$2,854 USD
View
A
Retailer 9
-
$4,313 CAD
£2,431 GBP
View
Retailer 10
-
$4,601 CAD
$3,294 USD
View
Price last confirmed 54 days ago
Retailer 11
-
$4,601 CAD
$3,294 USD
View
Price last confirmed 39 days ago
A
Retailer 12
-
$4,666 CAD
£2,630 GBP
View
A
Retailer 13
-
$4,669 CAD
€3,183 EUR
View
A
Retailer 14
-
$4,855 CAD
ZAR 56,153 ZAR
View
B
Retailer 15
-
$7,024 CAD
£3,959 GBP
View
Retailer 16
-
$8,337 CAD
$5,968 USD
View
Price last confirmed 50 days ago
B
Retailer 17
-
$8,337 CAD
$5,968 USD
View
Most Expensive
NZ Jewellers
89f197e9-43bb-453c-ac5d-c579ccc2a5d9 · Sep 21
$8,337 CAD
$5,968 USD
View
Price last confirmed 39 days ago
17 more retailers have this diamond
Prices start from $3,570 CADSave up to $4,766 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
$3,570 CAD