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Cushion|Lab Grown|IGI

0.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG751503365

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG751503365

Diamond specifications and retailer prices

From £154 GBP
$206 USD
As of October 30, 2026
Save £648 GBP (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £802 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown cushion diamond

This 0.51ct 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 LG751503365 or 751503365. Listed at 9 retailers as of October 29, 2026, with prices from £154 to £802, a £648 spread on the same certified stone. MOH London lists it at £802. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG751503365
Dimensions4.47 × 4.75 × 3.17 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
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
4.47 mm4.75 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG751503365
Side View
Table 59.0%Crown 35.4°Girdle: MED-VTKPavilion 40.3°Culet: NoneDepth 70.9%

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: Oct 30
Current: £802 GBP|Low: £154 GBP|High: £907 GBP|Avg: £451 GBP|-10.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 7£154 GBP
Retailer 5£267 GBP
Retailer 2£294 GBP
Retailer 6£300 GBP
Retailer 3£311 GBP
Retailer 4£435 GBP
Retailer 8£593 GBP
Retailer 9£673 GBP
MOH London£802 GBP

41 data points across 9 retailers

9 retailers£154 GBP to £802 GBP

A
Cheapest Retailer
-
£154 GBP
$206 USD
Final sale: no returns
B+
Retailer 2
-
£267 GBP
A$550 AUD
View
B+
Retailer 3
-
£294 GBP
€375 EUR
View
B+
Retailer 4
-
£300 GBP
$402 USD
View
B+
Retailer 5
-
£311 GBP
View
B
Retailer 6
-
£435 GBP
A$896 AUD
View
B
Retailer 7
-
£593 GBP
$795 USD
View
B
Retailer 8
-
£673 GBP
View
Most Expensive
B
MOH London
LG751503365 · Oct 29
£802 GBP
View
8 more retailers have this diamond
Prices start from £154 GBPSave up to £648 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
0.51ct Cushion
£154 GBP