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Cushion|Lab Grown|IGI

3.51ct G VS2 Cushion Lab Grown Diamond

EX • G/VS2 • IGI LG615374632

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG615374632

Diamond specifications and retailer prices

From $755 AUD
$529 USD
As of November 1, 2026
Save $2,320 AUD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,075 AUD at MOH London · As of November 1, 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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG615374632 or 615374632. Listed at 10 retailers as of November 1, 2026, with prices from $755 to $3,075, a $2,320 spread on the same certified stone. MOH London lists it at $3,075. 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
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615374632
Dimensions9.10 × 8.65 × 5.64 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.10 mm8.65 mm3.51 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615374632
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 65.2%

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: Nov 1
Current: $3,075 AUD|Low: $755 AUD|High: $3,111 AUD|Avg: $1,513 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8$755 AUD
Retailer 6$838 AUD
Retailer 4$1,263 AUD
Retailer 7$1,306 AUD
Retailer 2$1,377 AUD
Retailer 9$1,598 AUD
Retailer 5$1,644 AUD
Retailer 3$2,436 AUD
MOH London$3,075 AUD

41 data points across 9 retailers

10 retailers$755 AUD to $3,075 AUD

A
Cheapest Retailer
-
$755 AUD
$529 USD
Final sale: no returns
Retailer 2
-
$838 AUD
$587 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,263 AUD
$885 USD
View
B+
Retailer 4
-
$1,306 AUD
$915 USD
View
A
Retailer 5
-
$1,377 AUD
£760 GBP
View
A
Retailer 6
-
$1,598 AUD
$1,120 USD
View
B+
Retailer 7
-
$2,436 AUD
£1,344 GBP
View
B+
Retailer 8
-
$2,733 AUD
$1,915 USD
View
B+
Retailer 9
-
$2,946 AUD
$2,065 USD
View
Most Expensive
B+
MOH London
LG615374632 · Nov 1
$3,075 AUD
£1,697 GBP
View
9 more retailers have this diamond
Prices start from $755 AUDSave up to $2,320 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
$755 AUD