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Cushion|Lab Grown|IGI

0.51ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG830643431

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG830643431

Diamond specifications and retailer prices

From £124 GBP
HK$1,300 HKD
As of October 30, 2026
Save £748 GBP (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £872 GBP at MOH London · As of October 25, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830643431 or 830643431. Listed at 16 retailers as of October 25, 2026, with prices from £124 to £872, a £748 spread on the same certified stone. MOH London lists it at £872. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.3°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830643431
Dimensions5.54 × 3.74 × 2.73 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.54 mm3.74 mm0.51 ctD / VVS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG830643431
Side View
Table 65.0%Crown 38.3°Girdle: MED-THKPavilion 32.6°Culet: NoneDepth 73.0%

Caratlytics Score

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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: £872 GBP|Low: £94 GBP|High: £893 GBP|Avg: £318 GBP|-1.3%
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
Retailer 14
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Retailer 17
October 31, 2026
Retailer 8£94 GBP
Retailer 9£124 GBP
Retailer 2£186 GBP
Retailer 6£188 GBP
Retailer 14£194 GBP
Retailer 17£205 GBP
Retailer 12£209 GBP
Retailer 10£246 GBP
Retailer 15£275 GBP
Retailer 13£285 GBP
Retailer 4£293 GBP
Retailer 11£306 GBP
Retailer 7£336 GBP
Retailer 5£378 GBP
Retailer 3£546 GBP
Retailer 16£683 GBP
MOH London£872 GBP

40 data points across 17 retailers

16 retailers£124 GBP to £872 GBP

A
Cheapest Retailer
-
£124 GBP
HK$1,300 HKD
A
Retailer 2
-
£186 GBP
€237 EUR
View
Retailer 3
-
£188 GBP
ZAR 4,078 ZAR
View
Price last confirmed 19 days ago
Retailer 4
-
£194 GBP
$260 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
£205 GBP
$275 USD
View
A
Retailer 6
-
£209 GBP
View
B+
Retailer 7
-
£246 GBP
$329 USD
View
B+
Retailer 8
-
£275 GBP
$369 USD
View
B+
Retailer 9
-
£285 GBP
View
B+
Retailer 10
-
£293 GBP
SGD 530 SGD
View
B+
Retailer 11
-
£306 GBP
$410 USD
View
B+
Retailer 12
-
£336 GBP
$450 USD
View
B
Retailer 13
-
£378 GBP
$507 USD
View
Retailer 14
-
£546 GBP
View
Price last confirmed 15 days ago
B
Retailer 15
-
£683 GBP
$915 USD
View
Most Expensive
B
MOH London
LG830643431 · Oct 25
£872 GBP
View
15 more retailers have this diamond
Prices start from £124 GBPSave up to £748 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
£124 GBP