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 €306 EUR
$342 USD
As of October 30, 2026
Save €616 EUR (67%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €922 EUR 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 €306 to €922, a €616 spread on the same certified stone. MOH London lists it at €922. 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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Price History

Last verified: Oct 30
Current: €922 EUR|Low: €127 EUR|High: €929 EUR|Avg: €490 EUR|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9€127 EUR
Retailer 6€306 EUR
Retailer 4€387 EUR
Retailer 2€421 EUR
Retailer 5€448 EUR
Retailer 7€535 EUR
Retailer 3€550 EUR
Retailer 8€783 EUR
MOH London€922 EUR

42 data points across 9 retailers

8 retailers€306 EUR to €922 EUR

B+
Cheapest Retailer
-
€306 EUR
$342 USD
Retailer 2
-
€387 EUR
ZAR 6,985 ZAR
View
Price last confirmed 10 days ago
A
Retailer 3
-
€421 EUR
£371 GBP
View
A
Retailer 4
-
€448 EUR
$500 USD
View
B+
Retailer 5
-
€535 EUR
$598 USD
View
B+
Retailer 6
-
€550 EUR
$615 USD
View
B
Retailer 7
-
€783 EUR
$875 USD
View
Most Expensive
B
MOH London
LG819623711 · Oct 29
€922 EUR
£811 GBP
View
7 more retailers have this diamond
Prices start from €306 EURSave up to €616 EUR

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
€306 EUR