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Cushion|Lab Grown|IGI

1.50ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG817640139

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817640139

Diamond specifications and retailer prices

From €257 EUR
£227 GBP
As of November 2, 2026
Save €648 EUR (72%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,029 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817640139 or 817640139. Listed at 8 retailers as of November 1, 2026, with a 252% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817640139
Dimensions8.38 × 5.73 × 3.88 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.38 mm5.73 mm1.50 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817640139
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 67.7%

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 2
Current: €1,029 EUR|Low: €257 EUR|High: €1,070 EUR|Avg: €701 EUR|+9.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 3€257 EUR
Retailer 4€371 EUR
Retailer 2€512 EUR
Retailer 7€515 EUR
Retailer 6€813 EUR
Retailer 5€905 EUR
Retailer 8€918 EUR
MOH London€1,029 EUR

33 data points across 8 retailers

8 retailers€257 EUR to €905 EUR

A
Cheapest Retailer
-
€257 EUR
£227 GBP
A
Retailer 2
-
€371 EUR
View
A
Retailer 3
-
€512 EUR
A$884 AUD
View
A
Retailer 4
-
€515 EUR
$578 USD
View
B+
Retailer 5
-
€813 EUR
$912 USD
View
B
Retailer 6
-
€905 EUR
$1,015 USD
View
Retailer 7
-
€918 EUR
SGD 1,391 SGD
View
Price last confirmed 21 days ago
Most Expensive
MOH London
LG817640139 · Oct 26
€1,029 EUR
£909 GBP
View
Price last confirmed 7 days ago
7 more retailers have this diamond
Prices start from €257 EURSave up to €648 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
1.50ct Cushion
€257 EUR