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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 $437 SGD
$342 USD
As of November 1, 2026
Save $873 SGD (67%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,311 SGD at MOH London · As of November 2, 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 $437 to $1,311, a $873 spread on the same certified stone. MOH London lists it at $1,311. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,311 SGD|Low: $437 SGD|High: $1,327 SGD|Avg: $768 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6$437 SGD
Retailer 3$565 SGD
Retailer 2$602 SGD
Retailer 5$639 SGD
Retailer 7$765 SGD
Retailer 4$787 SGD
Retailer 8$1,119 SGD
MOH London$1,311 SGD

42 data points across 8 retailers

8 retailers$437 SGD to $1,311 SGD

B+
Cheapest Retailer
-
$437 SGD
$342 USD
A
Retailer 2
-
$565 SGD
ZAR 7,131 ZAR
View
A
Retailer 3
-
$602 SGD
£371 GBP
View
A
Retailer 4
-
$639 SGD
$500 USD
View
B+
Retailer 5
-
$765 SGD
$598 USD
View
B+
Retailer 6
-
$787 SGD
$615 USD
View
B
Retailer 7
-
$1,119 SGD
$875 USD
View
Most Expensive
B
MOH London
LG819623711 · Nov 2
$1,311 SGD
£807 GBP
View
7 more retailers have this diamond
Prices start from $437 SGDSave up to $873 SGD

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
$437 SGD