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Cushion|Lab Grown|IGI

3.50ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG595361358

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG595361358

Diamond specifications and retailer prices

From $984 AUD
HK$5,400 HKD
As of November 1, 2026
Save $3,486 AUD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,470 AUD at Brilliant Earth · As of October 31, 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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG595361358 or 595361358. Listed at 14 retailers as of October 31, 2026, with prices from $984 to $4,470, a $3,486 spread on the same certified stone. Brilliant Earth lists it at $4,470. 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
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG595361358
Dimensions9.10 × 8.73 × 5.91 mm
L/W Ratio1.04
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 mm8.73 mm3.50 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG595361358
Side View
Table 61.0%Crown 32.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 67.7%

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: $4,470 AUD|Low: $615 AUD|High: $4,612 AUD|Avg: $2,051 AUD|-3.1%
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
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 8$615 AUD
Retailer 4$984 AUD
Retailer 10$1,023 AUD
Retailer 16$1,103 AUD
Retailer 12$1,334 AUD
Retailer 6$1,384 AUD
Retailer 2$1,403 AUD
Retailer 13$1,407 AUD
Retailer 14$1,607 AUD
Retailer 11$1,925 AUD
Retailer 7$2,582 AUD
Retailer 3$2,864 AUD
Retailer 15$2,947 AUD
Retailer 5$3,360 AUD
Retailer 9$3,782 AUD
Brilliant Earth$4,470 AUD

7 data points across 16 retailers

14 retailers$984 AUD to $4,470 AUD

A
Cheapest Retailer
-
$984 AUD
HK$5,400 HKD
A
Retailer 2
-
$1,023 AUD
£566 GBP
View
A
Retailer 3
-
$1,103 AUD
$775 USD
View
A
Retailer 4
-
$1,334 AUD
$937 USD
View
A
Retailer 5
-
$1,403 AUD
£776 GBP
View
B+
Retailer 6
-
$1,407 AUD
$988 USD
View
A
Retailer 7
-
$1,607 AUD
$1,129 USD
View
A
Retailer 8
-
$1,925 AUD
$1,352 USD
View
B+
Retailer 9
-
$2,864 AUD
SGD 2,719 SGD
View
B+
Retailer 10
-
$2,947 AUD
$2,070 USD
View
B+
Retailer 11
-
$3,103 AUD
$2,180 USD
View
B
Retailer 12
-
$3,360 AUD
$2,360 USD
View
B+
Retailer 13
-
$3,782 AUD
£2,092 GBP
View
Most Expensive
B
Brilliant Earth
17655794A · Oct 31
$4,470 AUD
$3,140 USD
View
13 more retailers have this diamond
Prices start from $984 AUDSave up to $3,486 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
$984 AUD