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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 $691 USD
HK$5,400 HKD
As of October 31, 2026
Save $2,449 USD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,140 USD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $691 to $3,140, a $2,449 spread on the same certified stone. Brilliant Earth lists it at $3,140. 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
Color
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: Oct 31
Current: $3,140 USD|Low: $432 USD|High: $3,240 USD|Avg: $1,442 USD|-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
October 31, 2026
Retailer 8$432 USD
Retailer 4$691 USD
Retailer 12$721 USD
Retailer 15$775 USD
Retailer 10$937 USD
Retailer 6$972 USD
Retailer 2$986 USD
Retailer 11$988 USD
Retailer 13$1,129 USD
Retailer 9$1,352 USD
Retailer 7$1,814 USD
Retailer 3$2,012 USD
Retailer 14$2,070 USD
Retailer 5$2,360 USD
Retailer 16$2,671 USD
Brilliant Earth$3,140 USD

5 data points across 16 retailers

14 retailers$691 USD to $3,140 USD

A
Cheapest Retailer
-
$691 USD
HK$5,400 HKD
A
Retailer 2
-
$721 USD
£568 GBP
View
A
Retailer 3
-
$775 USD
View
A
Retailer 4
-
$937 USD
View
A
Retailer 5
-
$986 USD
£776 GBP
View
B+
Retailer 6
-
$988 USD
View
A
Retailer 7
-
$1,129 USD
View
A
Retailer 8
-
$1,352 USD
View
B+
Retailer 9
-
$2,012 USD
SGD 2,719 SGD
View
B+
Retailer 10
-
$2,070 USD
View
B+
Retailer 11
-
$2,180 USD
View
B
Retailer 12
-
$2,360 USD
View
B
Retailer 13
-
$2,671 USD
£2,103 GBP
View
Most Expensive
B
Brilliant Earth
17655794A · Oct 29
$3,140 USD
View
13 more retailers have this diamond
Prices start from $691 USDSave up to $2,449 USD

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
$691 USD