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Cushion|Lab Grown|IGI

0.51ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG785606051

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG785606051

Diamond specifications and retailer prices

From £99 GBP
$133 USD
As of October 30, 2026
Save £481 GBP (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £919 GBP at MOH London · As of November 1, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG785606051 or 785606051. Listed at 13 retailers as of October 30, 2026, with a 484% 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

0.51
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG785606051
Dimensions4.53 × 4.53 × 3.07 mm
L/W Ratio1.00
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
4.53 mm4.53 mm0.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG785606051
Side View
Table 72.0%Crown 42.1°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 67.8%

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 30
Current: £919 GBP|Low: £80 GBP|High: £930 GBP|Avg: £311 GBP|-0.9%
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
November 1, 2026
Retailer 11£99 GBP
Retailer 8£183 GBP
Retailer 6£198 GBP
Retailer 13£213 GBP
Retailer 2£226 GBP
Retailer 7£266 GBP
Retailer 10£275 GBP
Retailer 12£281 GBP
Retailer 5£299 GBP
Retailer 3£331 GBP
Retailer 4£397 GBP
Retailer 9£580 GBP
MOH London£919 GBP

35 data points across 13 retailers

13 retailers£99 GBP to £580 GBP

A
Cheapest Retailer
-
£99 GBP
$133 USD
Final sale: no returns
Retailer 2
-
£183 GBP
$245 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
£198 GBP
€253 EUR
View
B+
Retailer 4
-
£213 GBP
$286 USD
View
B+
Retailer 5
-
£226 GBP
View
B+
Retailer 6
-
£266 GBP
View
B
Retailer 7
-
£275 GBP
$368 USD
View
B+
Retailer 8
-
£281 GBP
$376 USD
View
B+
Retailer 9
-
£299 GBP
$400 USD
View
B
Retailer 10
-
£331 GBP
$444 USD
View
Retailer 11
-
£397 GBP
$531 USD
View
Price last confirmed 14 days ago
B
Retailer 12
-
£580 GBP
View
Most Expensive
MOH London
LG785606051 · Nov 1
£919 GBP
View
Price under review
12 more retailers have this diamond
Prices start from £99 GBPSave up to £481 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
£99 GBP