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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 $601 USD
As of October 28, 2026
Save $2,192 USD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,793 USD 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 28, 2026, with prices from $601 to $2,793, a $2,192 spread on the same certified stone. MOH London lists it at $2,793. 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
Color
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

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 28
Current: $2,793 USD|Low: $601 USD|High: $3,039 USD|Avg: $1,524 USD|-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 29, 2026
Retailer 13$601 USD
Retailer 10$665 USD
Retailer 9$770 USD
Retailer 7$874 USD
Retailer 8$892 USD
Retailer 2$1,030 USD
Retailer 3$1,038 USD
Retailer 14$1,512 USD
Retailer 5$1,935 USD
Retailer 4$2,105 USD
Retailer 12$2,143 USD
Retailer 6$2,161 USD
Retailer 11$2,268 USD
MOH London$2,793 USD

40 data points across 14 retailers

14 retailers$601 USD to $2,793 USD

A
Cheapest Retailer
-
$601 USD
Final sale: no returns
A
Retailer 2
-
$665 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$770 USD
View
A
Retailer 4
-
$874 USD
£688 GBP
View
Price last confirmed 10 days ago
B+
Retailer 5
-
$892 USD
View
A
Retailer 6
-
$1,030 USD
£811 GBP
View
A
Retailer 7
-
$1,038 USD
View
A
Retailer 8
-
$1,512 USD
View
B+
Retailer 9
-
$1,935 USD
£1,524 GBP
View
B+
Retailer 10
-
$2,105 USD
SGD 2,845 SGD
View
B+
Retailer 11
-
$2,143 USD
View
B+
Retailer 12
-
$2,161 USD
View
B+
Retailer 13
-
$2,268 USD
View
Most Expensive
B+
MOH London
LG778674132 · Oct 29
$2,793 USD
£2,199 GBP
View
13 more retailers have this diamond
Prices start from $601 USDSave up to $2,192 USD

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
$601 USD