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1.23ct G SI1 Round Natural Diamond

EX • G/SI1 • IGI 747540065

Shape and cutting style on the report: Round brilliant

Certificate IGI 747540065

Diamond specifications and retailer prices

From $3,959 CAD
£2,232 GBP
As of November 6, 2026
1 retailer carries this diamond
Only listing: $3,959 CAD at 77 Diamonds
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at 77 Diamonds

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 747540065. Listed at a single retailer as of November 6, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 747540065
Dimensions6.79 × 6.83 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.79 mm6.83 mm1.23 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 747540065
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $3,959 CAD|Low: $3,959 CAD|High: $4,187 CAD|Avg: $4,118 CAD|-2.7%
November 6, 2026
77 Diamonds$3,959 CAD

39 data points across 1 retailer

1 retailer

B+
77 Diamonds
RBCPSGKYNQGC · Nov 6
$3,959 CAD
£2,232 GBP
View

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+
1.23ct Round
$3,959 CAD