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Cushion|Lab Grown|IGI

1.50ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG532240203

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG532240203

Diamond specifications and retailer prices

From €249 EUR
$278 USD
As of November 1, 2026
Save €763 EUR (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,105 EUR at MOH London · As of October 25, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG532240203 or 532240203. Listed at 13 retailers as of October 31, 2026, with a 306% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG532240203
Dimensions7.80 × 6.28 × 4.09 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizePointed
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
7.80 mm6.28 mm1.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG532240203
Side View
Table 62.0%Crown 31.7°Girdle: MED-THKPavilion 38.1°Culet: NoneDepth 65.1%

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 1
Current: €1,105 EUR|Low: €243 EUR|High: €1,155 EUR|Avg: €573 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 11€249 EUR
Retailer 10€276 EUR
Retailer 2€307 EUR
Retailer 9€371 EUR
Retailer 3€451 EUR
Retailer 6€494 EUR
Retailer 12€499 EUR
Retailer 5€519 EUR
Retailer 8€692 EUR
Retailer 4€932 EUR
Retailer 7€1,011 EUR
MOH London€1,105 EUR

41 data points across 12 retailers

13 retailers€249 EUR to €1,011 EUR

A
Cheapest Retailer
-
€249 EUR
$278 USD
Final sale: no returns
Retailer 2
-
€276 EUR
$308 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€307 EUR
£270 GBP
View
B+
Retailer 4
-
€371 EUR
$415 USD
View
A
Retailer 5
-
€451 EUR
$504 USD
View
A
Retailer 6
-
€494 EUR
View
B+
Retailer 7
-
€499 EUR
$557 USD
View
A
Retailer 8
-
€519 EUR
£457 GBP
View
B+
Retailer 9
-
€692 EUR
$773 USD
View
B
Retailer 10
-
€932 EUR
$1,041 USD
View
Retailer 11
-
€959 EUR
$1,072 USD
View
Price last confirmed 84 days ago
B
Retailer 12
-
€1,011 EUR
$1,130 USD
View
Most Expensive
MOH London
LG532240203 · Oct 25
€1,105 EUR
£972 GBP
View
Price last confirmed 7 days ago
12 more retailers have this diamond
Prices start from €249 EURSave up to €763 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
€249 EUR