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Cushion|Lab Grown|IGI

4.03ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG598372126

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG598372126

Diamond specifications and retailer prices

From $1,136 AUD
HK$6,200 HKD
As of November 3, 2026
Save $6,395 AUD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,532 AUD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 4.03ct lab-grown cushion diamond

This 4.03ct 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 LG598372126 or 598372126. Listed at 14 retailers as of November 3, 2026, with prices from $1,136 to $7,532, a $6,395 spread on the same certified stone. Brilliant Earth lists it at $7,532. 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

4.03
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598372126
Dimensions9.76 × 9.01 × 6.08 mm
L/W Ratio1.08
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
9.76 mm9.01 mm4.03 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598372126
Side View
Table 61.0%Crown 32.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 67.5%

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: $7,532 AUD|Low: $813 AUD|High: $7,761 AUD|Avg: $2,510 AUD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 18
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Retailer 21
November 2, 2026
Retailer 9$813 AUD
Retailer 7$904 AUD
Retailer 4$1,136 AUD
Retailer 13$1,148 AUD
Retailer 21$1,231 AUD
Retailer 5$1,439 AUD
Retailer 17$1,599 AUD
Retailer 19$1,807 AUD
Retailer 11$2,006 AUD
Retailer 2$2,073 AUD
Retailer 18$2,087 AUD
Retailer 16$2,132 AUD
Retailer 10$2,640 AUD
Retailer 6$2,898 AUD
Retailer 12$2,974 AUD
Retailer 8$3,107 AUD
Retailer 3$3,289 AUD
Retailer 20$3,372 AUD
Retailer 14$3,670 AUD
Retailer 15$4,523 AUD
Brilliant Earth$7,532 AUD

20 data points across 21 retailers

14 retailers$1,136 AUD to $7,532 AUD

A
Cheapest Retailer
-
$1,136 AUD
HK$6,200 HKD
A
Retailer 2
-
$1,148 AUD
£631 GBP
View
A
Retailer 3
-
$1,231 AUD
$860 USD
View
B+
Retailer 4
-
$1,599 AUD
$1,117 USD
View
A
Retailer 5
-
$1,807 AUD
$1,262 USD
View
A
Retailer 6
-
$2,073 AUD
ZAR 23,388 ZAR
View
A
Retailer 7
-
$2,087 AUD
View
A
Retailer 8
-
$2,132 AUD
$1,489 USD
View
B+
Retailer 9
-
$2,898 AUD
$2,024 USD
View
Retailer 10
-
$3,107 AUD
$2,170 USD
View
Price last confirmed 36 days ago
B+
Retailer 11
-
$3,289 AUD
SGD 3,104 SGD
View
B+
Retailer 12
-
$3,372 AUD
$2,355 USD
View
B+
Retailer 13
-
$4,523 AUD
£2,487 GBP
View
Most Expensive
B
Brilliant Earth
22350162A · Nov 3
$7,532 AUD
$5,260 USD
View
13 more retailers have this diamond
Prices start from $1,136 AUDSave up to $6,395 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
4.03ct Cushion
$1,136 AUD