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Cushion|Lab Grown|IGI

4.02ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG593391838

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG593391838

Diamond specifications and retailer prices

From $1,136 AUD
HK$6,200 HKD
As of November 3, 2026
Save $6,367 AUD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,503 AUD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 4.02ct lab-grown cushion diamond

This 4.02ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG593391838 or 593391838. Listed at 14 retailers as of November 3, 2026, with prices from $1,136 to $7,503, a $6,367 spread on the same certified stone. Brilliant Earth lists it at $7,503. 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

4.02
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593391838
Dimensions9.57 × 9.18 × 6.10 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
9.57 mm9.18 mm4.02 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593391838
Side View
Table 61.0%Crown 32.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 66.4%

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 3
Current: $7,503 AUD|Low: $770 AUD|High: $7,761 AUD|Avg: $2,503 AUD|-3.3%
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$770 AUD
Retailer 5$1,136 AUD
Retailer 9$1,145 AUD
Retailer 3$1,224 AUD
Retailer 12$1,486 AUD
Retailer 13$1,597 AUD
Retailer 6$1,726 AUD
Retailer 15$1,800 AUD
Retailer 2$2,068 AUD
Retailer 14$2,082 AUD
Retailer 11$2,128 AUD
Retailer 7$3,230 AUD
Retailer 4$3,281 AUD
Retailer 16$3,364 AUD
Retailer 10$4,512 AUD
Brilliant Earth$7,503 AUD

7 data points across 16 retailers

14 retailers$1,136 AUD to $7,503 AUD

A
Cheapest Retailer
-
$1,136 AUD
HK$6,200 HKD
A
Retailer 2
-
$1,145 AUD
£630 GBP
View
A
Retailer 3
-
$1,224 AUD
$855 USD
View
A
Retailer 4
-
$1,486 AUD
$1,038 USD
View
B+
Retailer 5
-
$1,597 AUD
$1,115 USD
View
A
Retailer 6
-
$1,800 AUD
$1,257 USD
View
A
Retailer 7
-
$2,068 AUD
ZAR 23,333 ZAR
View
A
Retailer 8
-
$2,082 AUD
View
A
Retailer 9
-
$2,128 AUD
$1,486 USD
View
B+
Retailer 10
-
$3,057 AUD
$2,135 USD
View
B+
Retailer 11
-
$3,281 AUD
SGD 3,096 SGD
View
B+
Retailer 12
-
$3,364 AUD
$2,349 USD
View
B+
Retailer 13
-
$4,512 AUD
£2,481 GBP
View
Most Expensive
B
Brilliant Earth
17656189A · Nov 3
$7,503 AUD
$5,240 USD
View
13 more retailers have this diamond
Prices start from $1,136 AUDSave up to $6,367 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
4.02ct Cushion
$1,136 AUD