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 $488 AUD
$342 USD
As of November 1, 2026
Save $974 AUD (67%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,462 AUD at MOH London · As of November 1, 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 November 1, 2026, with prices from $488 to $1,462, a $974 spread on the same certified stone. MOH London lists it at $1,462. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,462 AUD|Low: $488 AUD|High: $1,481 AUD|Avg: $855 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6$488 AUD
Retailer 3$630 AUD
Retailer 2$672 AUD
Retailer 5$713 AUD
Retailer 7$853 AUD
Retailer 4$878 AUD
Retailer 8$1,249 AUD
MOH London$1,462 AUD

43 data points across 8 retailers

8 retailers$488 AUD to $1,462 AUD

B+
Cheapest Retailer
-
$488 AUD
$342 USD
A
Retailer 2
-
$630 AUD
ZAR 7,131 ZAR
View
A
Retailer 3
-
$672 AUD
£371 GBP
View
A
Retailer 4
-
$713 AUD
$500 USD
View
B+
Retailer 5
-
$853 AUD
$598 USD
View
B+
Retailer 6
-
$878 AUD
$615 USD
View
B
Retailer 7
-
$1,249 AUD
$875 USD
View
Most Expensive
B
MOH London
LG819623711 · Nov 1
$1,462 AUD
£807 GBP
View
7 more retailers have this diamond
Prices start from $488 AUDSave up to $974 AUD

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
$488 AUD