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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 $939 NZD
$529 USD
As of November 1, 2026
Save $2,885 NZD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,824 NZD 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 $939 to $3,824, a $2,885 spread on the same certified stone. MOH London lists it at $3,824. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,824 NZD|Low: $939 NZD|High: $3,869 NZD|Avg: $1,874 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8$939 NZD
Retailer 6$1,042 NZD
Retailer 4$1,570 NZD
Retailer 7$1,623 NZD
Retailer 2$1,713 NZD
Retailer 9$1,987 NZD
Retailer 5$2,044 NZD
Retailer 3$3,029 NZD
MOH London$3,824 NZD

41 data points across 9 retailers

10 retailers$939 NZD to $3,824 NZD

A
Cheapest Retailer
-
$939 NZD
$529 USD
Final sale: no returns
Retailer 2
-
$1,042 NZD
$587 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,570 NZD
$885 USD
View
B+
Retailer 4
-
$1,623 NZD
$915 USD
View
A
Retailer 5
-
$1,713 NZD
£760 GBP
View
A
Retailer 6
-
$1,987 NZD
$1,120 USD
View
B+
Retailer 7
-
$3,029 NZD
£1,344 GBP
View
B+
Retailer 8
-
$3,398 NZD
$1,915 USD
View
B+
Retailer 9
-
$3,664 NZD
$2,065 USD
View
Most Expensive
B+
MOH London
LG615374632 · Nov 1
$3,824 NZD
£1,697 GBP
View
9 more retailers have this diamond
Prices start from $939 NZDSave up to $2,885 NZD

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
$939 NZD