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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 £220 GBP
$295 USD
As of November 1, 2026
Save £546 GBP (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £957 GBP at MOH London · As of November 1, 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 31, 2026, with a 248% 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
Colour
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: Nov 1
Current: £957 GBP|Low: £193 GBP|High: £957 GBP|Avg: £382 GBP|+3.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6£193 GBP
Retailer 4£220 GBP
Retailer 2£238 GBP
Retailer 5£265 GBP
Retailer 7£307 GBP
Retailer 3£767 GBP
MOH London£957 GBP

16 data points across 7 retailers

5 retailers£220 GBP to £767 GBP

B+
Cheapest Retailer
-
£220 GBP
$295 USD
B+
Retailer 2
-
£238 GBP
View
B+
Retailer 3
-
£265 GBP
View
B
Retailer 4
-
£767 GBP
$1,027 USD
View
Most Expensive
MOH London
LG786609188 · Nov 1
£957 GBP
View
Price under review
4 more retailers have this diamond
Prices start from £220 GBPSave up to £546 GBP

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
£220 GBP