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Cushion|Lab Grown|IGI

3.51ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG778674132

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG778674132

Diamond specifications and retailer prices

From £449 GBP
$601 USD
As of October 29, 2026
Save £1,636 GBP (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,084 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.51ct lab-grown cushion diamond

This 3.51ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778674132 or 778674132. Listed at 14 retailers as of October 29, 2026, with prices from £449 to £2,084, a £1,636 spread on the same certified stone. MOH London lists it at £2,084. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.51
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778674132
Dimensions10.38 × 7.83 × 4.92 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.38 mm7.83 mm3.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778674132
Side View
Table 63.0%Crown 34.6°Girdle: MED-THKPavilion 32°Culet: NoneDepth 62.8%

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 29
Current: £2,084 GBP|Low: £449 GBP|High: £2,268 GBP|Avg: £1,136 GBP|-7.0%
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
October 30, 2026
Retailer 13£449 GBP
Retailer 10£496 GBP
Retailer 9£575 GBP
Retailer 2£651 GBP
Retailer 8£666 GBP
Retailer 7£773 GBP
Retailer 3£775 GBP
Retailer 14£1,128 GBP
Retailer 5£1,445 GBP
Retailer 4£1,571 GBP
Retailer 12£1,599 GBP
Retailer 6£1,613 GBP
Retailer 11£1,693 GBP
MOH London£2,084 GBP

41 data points across 14 retailers

14 retailers£449 GBP to £2,084 GBP

A
Cheapest Retailer
-
£449 GBP
$601 USD
Final sale: no returns
Retailer 2
-
£496 GBP
$665 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£575 GBP
$770 USD
View
Retailer 4
-
£651 GBP
View
B+
Retailer 5
-
£666 GBP
$892 USD
View
A
Retailer 6
-
£773 GBP
View
A
Retailer 7
-
£775 GBP
$1,038 USD
View
A
Retailer 8
-
£1,128 GBP
$1,512 USD
View
B+
Retailer 9
-
£1,445 GBP
View
B+
Retailer 10
-
£1,571 GBP
SGD 2,845 SGD
View
B+
Retailer 11
-
£1,599 GBP
$2,143 USD
View
B+
Retailer 12
-
£1,613 GBP
$2,161 USD
View
B+
Retailer 13
-
£1,693 GBP
$2,268 USD
View
Most Expensive
B+
MOH London
LG778674132 · Oct 29
£2,084 GBP
View
13 more retailers have this diamond
Prices start from £449 GBPSave up to £1,636 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
3.51ct Cushion
£449 GBP