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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 $855 AUD
$601 USD
As of October 29, 2026
Save $3,120 AUD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,975 AUD 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 $855 to $3,975, a $3,120 spread on the same certified stone. MOH London lists it at $3,975. 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

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 29
Current: $3,975 AUD|Low: $855 AUD|High: $4,326 AUD|Avg: $2,167 AUD|-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$855 AUD
Retailer 10$947 AUD
Retailer 9$1,096 AUD
Retailer 2$1,242 AUD
Retailer 8$1,270 AUD
Retailer 7$1,475 AUD
Retailer 3$1,477 AUD
Retailer 14$2,152 AUD
Retailer 5$2,755 AUD
Retailer 4$2,997 AUD
Retailer 12$3,050 AUD
Retailer 6$3,076 AUD
Retailer 11$3,228 AUD
MOH London$3,975 AUD

41 data points across 14 retailers

14 retailers$855 AUD to $3,975 AUD

A
Cheapest Retailer
-
$855 AUD
$601 USD
Final sale: no returns
Retailer 2
-
$947 AUD
$665 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,096 AUD
$770 USD
View
Retailer 4
-
$1,242 AUD
£687 GBP
View
B+
Retailer 5
-
$1,270 AUD
$892 USD
View
A
Retailer 6
-
$1,475 AUD
£816 GBP
View
A
Retailer 7
-
$1,477 AUD
$1,038 USD
View
A
Retailer 8
-
$2,152 AUD
$1,512 USD
View
B+
Retailer 9
-
$2,755 AUD
£1,524 GBP
View
B+
Retailer 10
-
$2,997 AUD
SGD 2,845 SGD
View
B+
Retailer 11
-
$3,050 AUD
$2,143 USD
View
B+
Retailer 12
-
$3,076 AUD
$2,161 USD
View
B+
Retailer 13
-
$3,228 AUD
$2,268 USD
View
Most Expensive
B+
MOH London
LG778674132 · Oct 29
$3,975 AUD
£2,199 GBP
View
13 more retailers have this diamond
Prices start from $855 AUDSave up to $3,120 AUD

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
$855 AUD