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Cushion|Lab Grown|IGI

3.50ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG733554154

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG733554154

Diamond specifications and retailer prices

From $1,403 NZD
$791 USD
As of October 29, 2026
Save $4,966 NZD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,370 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.5ct lab-grown cushion diamond

This 3.5ct 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 LG733554154 or 733554154. Listed at 15 retailers as of October 29, 2026, with prices from $1,403 to $6,370, a $4,966 spread on the same certified stone. Brilliant Earth lists it at $6,370. 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

3.50
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733554154
Dimensions7.89 × 7.89 × 4.91 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.89 mm7.89 mm3.50 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733554154
Side View
Table 60.0%Crown 38.7°Girdle: STK-THKPavilion 38.7°Culet: LargeDepth 62.2%

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: Oct 29
Current: $6,370 NZD|Low: $1,403 NZD|High: $12,473 NZD|Avg: $3,676 NZD|-48.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 13$1,403 NZD
Retailer 11$2,103 NZD
Retailer 7$2,290 NZD
Retailer 6$2,352 NZD
Retailer 4$2,777 NZD
Retailer 8$3,065 NZD
Retailer 10$3,297 NZD
Retailer 5$4,543 NZD
Retailer 2$4,669 NZD
Retailer 12$4,752 NZD
Retailer 3$4,942 NZD
Retailer 9$5,739 NZD
Brilliant Earth$6,370 NZD

42 data points across 13 retailers

15 retailers$1,403 NZD to $6,370 NZD

A
Cheapest Retailer
-
$1,403 NZD
$791 USD
Final sale: no returns
A
Retailer 2
-
$2,103 NZD
$1,185 USD
View
A
Retailer 3
-
$2,290 NZD
€1,229 EUR
View
A
Retailer 4
-
$2,352 NZD
£1,044 GBP
View
A
Retailer 5
-
$2,777 NZD
$1,565 USD
View
B+
Retailer 6
-
$3,065 NZD
A$2,658 AUD
View
B+
Retailer 7
-
$3,297 NZD
$1,858 USD
View
B+
Retailer 8
-
$4,543 NZD
£2,016 GBP
View
B+
Retailer 9
-
$4,669 NZD
A$4,048 AUD
View
B+
Retailer 10
-
$4,752 NZD
$2,678 USD
View
B
Retailer 11
-
$4,942 NZD
SGD 3,764 SGD
View
B
Retailer 12
-
$5,004 NZD
$2,820 USD
View
Retailer 13
-
$5,057 NZD
$2,850 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
$5,739 NZD
£2,547 GBP
View
Most Expensive
B
Brilliant Earth
15749818A · Oct 30
$6,370 NZD
$3,590 USD
View
14 more retailers have this diamond
Prices start from $1,403 NZDSave up to $4,966 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
3.50ct Cushion
$1,403 NZD