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Oval|Lab Grown|IGI

1.23ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG846663417

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG846663417

Diamond specifications and retailer prices

From $370 CAD
$265 USD
As of October 31, 2026
Save $1,216 CAD (77%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,586 CAD at MOH London · As of November 1, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663417 or 846663417. Listed at 7 retailers as of October 31, 2026, with prices from $370 to $1,586, a $1,216 spread on the same certified stone. MOH London lists it at $1,586. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663417
Dimensions8.69 × 5.87 × 3.79 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.69 mm5.87 mm1.23 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663417
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 64.6%

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 31
Current: $1,586 CAD|Low: $370 CAD|High: $1,714 CAD|Avg: $957 CAD|-7.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 5$370 CAD
Retailer 3$408 CAD
Retailer 2$673 CAD
Retailer 7$1,131 CAD
Retailer 4$1,273 CAD
Retailer 6$1,324 CAD
MOH London$1,586 CAD

6 data points across 7 retailers

7 retailers$370 CAD to $1,586 CAD

A
Cheapest Retailer
-
$370 CAD
$265 USD
A
Retailer 2
-
$408 CAD
£230 GBP
View
A
Retailer 3
-
$673 CAD
$482 USD
View
B+
Retailer 4
-
$1,131 CAD
$810 USD
View
B+
Retailer 5
-
$1,273 CAD
$911 USD
View
B+
Retailer 6
-
$1,324 CAD
$948 USD
View
Most Expensive
B+
MOH London
LG846663417 · Nov 1
$1,586 CAD
£894 GBP
View
6 more retailers have this diamond
Prices start from $370 CADSave up to $1,216 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
$370 CAD