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Oval|Lab Grown|IGI

1.23ct K SI1 Oval Lab Grown Diamond

ID • K/SI1 • IGI LG447099065

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447099065

Diamond specifications and retailer prices

From $667 CAD
As of November 5, 2026
Save $2,359 CAD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,026 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.23ct lab-grown oval diamond

This 1.23ct lab-grown oval sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447099065 or 447099065. Listed at 10 retailers as of November 5, 2026, with prices from $667 to $3,026, a $2,359 spread on the same certified stone. MOH London lists it at $3,026. 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
K
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099065
Dimensions8.99 × 5.97 × 3.62 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.99 mm5.97 mm1.23 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447099065
Side View
Table 57.5%Crown 34°Girdle: MED-THKPavilion 40.2°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: Nov 5
Current: $3,026 CAD|Low: $667 CAD|High: $3,071 CAD|Avg: $1,658 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$667 CAD
Retailer 6$826 CAD
Retailer 3$1,027 CAD
Retailer 2$1,234 CAD
Retailer 7$1,290 CAD
Retailer 8$2,213 CAD
Retailer 4$2,221 CAD
MOH London$3,026 CAD

24 data points across 8 retailers

10 retailers$667 CAD to $3,026 CAD

A
Cheapest Retailer
-
$667 CAD
A
Retailer 2
-
$745 CAD
View
Retailer 3
-
$826 CAD
View
Price last confirmed 21 days ago
B+
Retailer 4
-
$826 CAD
View
B+
Retailer 5
-
$1,027 CAD
View
B+
Retailer 6
-
$1,234 CAD
View
B+
Retailer 7
-
$1,290 CAD
View
B
Retailer 8
-
$2,221 CAD
View
B
Retailer 9
-
$2,656 CAD
View
Most Expensive
B
MOH London
LG447099065 · Nov 5
$3,026 CAD
£1,694 GBP
View
9 more retailers have this diamond
Prices start from $667 CADSave up to $2,359 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 Oval
$667 CAD