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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 $1,126 AUD
$791 USD
As of October 29, 2026
Save $3,985 AUD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,111 AUD 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 $1,126 to $5,111, a $3,985 spread on the same certified stone. Brilliant Earth lists it at $5,111. 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: $5,111 AUD|Low: $1,126 AUD|High: $10,008 AUD|Avg: $2,940 AUD|-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 30, 2026
Retailer 13$1,126 AUD
Retailer 10$1,687 AUD
Retailer 6$1,837 AUD
Retailer 2$1,887 AUD
Retailer 4$2,228 AUD
Retailer 7$2,460 AUD
Retailer 9$2,645 AUD
Retailer 5$3,645 AUD
Retailer 11$3,786 AUD
Retailer 12$3,812 AUD
Retailer 3$3,965 AUD
Retailer 8$4,605 AUD
Brilliant Earth$5,111 AUD

42 data points across 13 retailers

15 retailers$1,126 AUD to $5,111 AUD

A
Cheapest Retailer
-
$1,126 AUD
$791 USD
Final sale: no returns
A
Retailer 2
-
$1,687 AUD
$1,185 USD
View
A
Retailer 3
-
$1,837 AUD
€1,229 EUR
View
A
Retailer 4
-
$1,887 AUD
£1,044 GBP
View
A
Retailer 5
-
$2,228 AUD
$1,565 USD
View
B+
Retailer 6
-
$2,460 AUD
View
B+
Retailer 7
-
$2,645 AUD
$1,858 USD
View
Retailer 8
-
$3,645 AUD
£2,016 GBP
View
Price last confirmed 17 days ago
Retailer 9
-
$3,786 AUD
View
Price last confirmed 22 days ago
B+
Retailer 10
-
$3,812 AUD
$2,678 USD
View
B
Retailer 11
-
$3,965 AUD
SGD 3,764 SGD
View
B
Retailer 12
-
$4,015 AUD
$2,820 USD
View
Retailer 13
-
$4,057 AUD
$2,850 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
$4,605 AUD
£2,547 GBP
View
Most Expensive
B
Brilliant Earth
15749818A · Oct 30
$5,111 AUD
$3,590 USD
View
14 more retailers have this diamond
Prices start from $1,126 AUDSave up to $3,985 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
3.50ct Cushion
$1,126 AUD