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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 €304 EUR
As of November 4, 2026
Save €604 EUR (67%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €907 EUR at MOH London · As of November 5, 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 9 retailers as of November 4, 2026, with prices from €304 to €907, a €604 spread on the same certified stone. MOH London lists it at €907. 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

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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 4
Current: €907 EUR|Low: €304 EUR|High: €921 EUR|Avg: €565 EUR|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 7€304 EUR
Retailer 3€391 EUR
Retailer 2€414 EUR
Retailer 6€444 EUR
Retailer 8€531 EUR
Retailer 4€546 EUR
Retailer 9€777 EUR
Retailer 5€848 EUR
MOH London€907 EUR

43 data points across 9 retailers

9 retailers€304 EUR to €907 EUR

B+
Cheapest Retailer
-
€304 EUR
A
Retailer 2
-
€391 EUR
View
A
Retailer 3
-
€414 EUR
View
A
Retailer 4
-
€444 EUR
View
B+
Retailer 5
-
€531 EUR
View
B+
Retailer 6
-
€546 EUR
View
B
Retailer 7
-
€777 EUR
View
Retailer 8
-
€848 EUR
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG819623711 · Nov 5
€907 EUR
£805 GBP
View
8 more retailers have this diamond
Prices start from €304 EURSave up to €604 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
€304 EUR