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 $156 USD
As of October 25, 2026
Save $371 USD (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,222 USD 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: $1,222 USD|Low: $68 USD|High: $1,236 USD|Avg: $413 USD|-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$68 USD
Retailer 13$132 USD
Retailer 8$156 USD
Retailer 2$264 USD
Retailer 9$275 USD
Retailer 11$284 USD
Retailer 12$284 USD
Retailer 6$297 USD
Retailer 7$399 USD
Retailer 5$527 USD
Retailer 3$762 USD
Retailer 10$932 USD
MOH London$1,222 USD

24 data points across 13 retailers

11 retailers$156 USD to $527 USD

A
Cheapest Retailer
-
$156 USD
A
Retailer 2
-
$264 USD
ZAR 4,266 ZAR
View
Retailer 3
-
$275 USD
€262 EUR
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$284 USD
View
Retailer 5
-
$284 USD
View
Price last confirmed 40 days ago
B+
Retailer 6
-
$297 USD
£234 GBP
View
B+
Retailer 7
-
$399 USD
£314 GBP
View
B
Retailer 8
-
$527 USD
View
Retailer 9
-
$762 USD
£600 GBP
View
Price last confirmed 9 days ago
Retailer 10
-
$932 USD
View
Price last confirmed 9 days ago
Most Expensive
MOH London
LG818664550 · Oct 26
$1,222 USD
£962 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $156 USDSave up to $371 USD

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
$156 USD