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Marquise|Lab Grown|IGI

0.50ct D IF Marquise Lab Grown Diamond

VG • D/IF • IGI LG836610280

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836610280

Diamond specifications and retailer prices

From £248 GBP
As of November 1, 2026
Save £416 GBP (63%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £663 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 IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG836610280 or 836610280. Listed at 10 retailers as of November 1, 2026, with prices from £248 to £663, a £416 spread on the same certified stone. MOH London lists it at £663. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.50
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836610280
Dimensions7.98 × 4.09 × 2.58 mm
L/W Ratio1.95
Girdle conditionFaceted
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
7.98 mm4.09 mm0.50 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836610280
Side View
Table 62.0%Crown 43.7°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
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: £663 GBP|Low: £239 GBP|High: £672 GBP|Avg: £376 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3£248 GBP
Retailer 6£252 GBP
Retailer 4£255 GBP
Retailer 7£260 GBP
Retailer 2£336 GBP
Retailer 8£364 GBP
Retailer 5£480 GBP
Retailer 9£497 GBP
MOH London£663 GBP

35 data points across 9 retailers

10 retailers£248 GBP to £663 GBP

A
Cheapest Retailer
-
£248 GBP
A
Retailer 2
-
£252 GBP
$337 USD
View
A
Retailer 3
-
£255 GBP
€326 EUR
View
A
Retailer 4
-
£260 GBP
$348 USD
View
B+
Retailer 5
-
£336 GBP
$450 USD
View
B+
Retailer 6
-
£364 GBP
$488 USD
View
B+
Retailer 7
-
£396 GBP
$530 USD
View
Retailer 8
-
£480 GBP
A$990 AUD
View
Price last confirmed 24 days ago
B
Retailer 9
-
£497 GBP
$667 USD
View
Most Expensive
B
MOH London
LG836610280 · Nov 1
£663 GBP
View
9 more retailers have this diamond
Prices start from £248 GBPSave up to £416 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.

A
0.50ct Marquise
£248 GBP