Marquise|Lab Grown|IGI

0.50ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG786609188

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786609188

Diamond specifications and retailer prices

From $295 USD
As of October 30, 2026
Save $711 USD (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,229 USD at MOH London · As of October 25, 2026
View at MOH London

About this 0.5ct lab-grown marquise diamond

This 0.5ct lab-grown marquise 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 LG786609188 or 786609188. Listed at 5 retailers as of October 28, 2026, with a 241% 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
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.9°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786609188
Dimensions8.44 × 4.23 × 2.50 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.44 mm4.23 mm0.50 ctD / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG786609188
Side View
Table 60.0%Crown 32.9°Girdle: MED-STKPavilion 39°Culet: NoneDepth 59.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,229 USD|Low: $259 USD|High: $1,243 USD|Avg: $503 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 6$259 USD
Retailer 2$295 USD
Retailer 3$300 USD
Retailer 4$355 USD
Retailer 7$411 USD
Retailer 5$1,006 USD
MOH London$1,229 USD

14 data points across 7 retailers

5 retailers$295 USD to $1,006 USD

B+
Cheapest Retailer
-
$295 USD
B+
Retailer 2
-
$300 USD
£236 GBP
View
B+
Retailer 3
-
$355 USD
£280 GBP
View
B
Retailer 4
-
$1,006 USD
View
Most Expensive
MOH London
LG786609188 · Oct 25
$1,229 USD
£968 GBP
View
Price under review
4 more retailers have this diamond
Prices start from $295 USDSave up to $711 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.

B+
0.50ct Marquise
$295 USD