Cushion|Lab Grown|IGI

0.50ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG818664550

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818664550

Diamond specifications and retailer prices

From €140 EUR
$156 USD
As of October 25, 2026
Save €332 EUR (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,094 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 0.5ct lab-grown cushion diamond

This 0.5ct lab-grown cushion sits in the half to three-quarter carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818664550 or 818664550. Listed at 11 retailers as of October 25, 2026, with a 238% 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

0.50
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.9°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818664550
Dimensions5.71 × 4.23 × 2.70 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.71 mm4.23 mm0.50 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG818664550
Side View
Table 57.0%Crown 33.9°Girdle: THN-THKPavilion 35.7°CuletDepth 63.8%

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: Oct 25
Current: €1,094 EUR|Low: €61 EUR|High: €1,106 EUR|Avg: €373 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
Retailer 13
October 27, 2026
Retailer 4€61 EUR
Retailer 13€118 EUR
Retailer 8€140 EUR
Retailer 2€236 EUR
Retailer 9€246 EUR
Retailer 11€254 EUR
Retailer 12€254 EUR
Retailer 6€266 EUR
Retailer 7€357 EUR
Retailer 5€472 EUR
Retailer 3€682 EUR
Retailer 10€834 EUR
MOH London€1,094 EUR

23 data points across 13 retailers

11 retailers€140 EUR to €472 EUR

A
Cheapest Retailer
-
€140 EUR
$156 USD
A
Retailer 2
-
€236 EUR
ZAR 4,266 ZAR
View
Retailer 3
-
€246 EUR
View
Price last confirmed 8 days ago
B+
Retailer 4
-
€254 EUR
$284 USD
View
Retailer 5
-
€254 EUR
$284 USD
View
Price last confirmed 42 days ago
B+
Retailer 6
-
€266 EUR
£234 GBP
View
B+
Retailer 7
-
€357 EUR
£314 GBP
View
B
Retailer 8
-
€472 EUR
$527 USD
View
Retailer 9
-
€682 EUR
£600 GBP
View
Price last confirmed 10 days ago
Retailer 10
-
€834 EUR
$932 USD
View
Price last confirmed 11 days ago
Most Expensive
MOH London
LG818664550 · Oct 26
€1,094 EUR
£962 GBP
View
Price under review
10 more retailers have this diamond
Prices start from €140 EURSave up to €332 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
0.50ct Cushion
€140 EUR