Cushion|Lab Grown|IGI

1.23ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG819623711

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG819623711

Diamond specifications and retailer prices

From $478 CAD
$342 USD
As of October 30, 2026
Save $961 CAD (67%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,439 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.23ct lab-grown cushion diamond

This 1.23ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG819623711 or 819623711. Listed at 8 retailers as of October 29, 2026, with prices from $478 to $1,439, a $961 spread on the same certified stone. MOH London lists it at $1,439. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819623711
Dimensions7.26 × 5.46 × 3.74 mm
L/W Ratio1.33
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
7.26 mm5.46 mm1.23 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819623711
Side View
Table 60.0%Crown 40.3°Girdle: STK-THKPavilion 34.3°Culet: NoneDepth 68.5%

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: $1,439 CAD|Low: $198 CAD|High: $1,449 CAD|Avg: $762 CAD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 9$198 CAD
Retailer 6$478 CAD
Retailer 4$604 CAD
Retailer 2$652 CAD
Retailer 5$698 CAD
Retailer 7$835 CAD
Retailer 3$859 CAD
Retailer 8$1,223 CAD
MOH London$1,439 CAD

42 data points across 9 retailers

8 retailers$478 CAD to $1,439 CAD

B+
Cheapest Retailer
-
$478 CAD
$342 USD
Retailer 2
-
$604 CAD
ZAR 6,985 ZAR
View
Price last confirmed 8 days ago
A
Retailer 3
-
$652 CAD
£368 GBP
View
A
Retailer 4
-
$698 CAD
$500 USD
View
B+
Retailer 5
-
$835 CAD
$598 USD
View
B+
Retailer 6
-
$859 CAD
$615 USD
View
B
Retailer 7
-
$1,223 CAD
$875 USD
View
Most Expensive
B
MOH London
LG819623711 · Oct 29
$1,439 CAD
£811 GBP
View
7 more retailers have this diamond
Prices start from $478 CADSave up to $961 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 Cushion
$478 CAD