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Cushion|Lab Grown|IGI

4.02ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG814622911

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG814622911

Diamond specifications and retailer prices

From $690 AUD
$482 USD
As of November 3, 2026
Save $619 AUD (47%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,114 AUD at Rare Carat · As of October 14, 2026
View at Rare Carat

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 LG814622911 or 814622911. Listed at 3 retailers as of November 3, 2026, with a 90% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814622911
Dimensions11.36 × 8.19 × 5.44 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.36 mm8.19 mm4.02 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814622911
Side View
Table 60.0%Crown 37.2°Girdle: STK-THKPavilion 36.1°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: $3,114 AUD|Low: $690 AUD|High: $3,114 AUD|Avg: $1,823 AUD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 3$690 AUD
Retailer 6$1,269 AUD
Retailer 2$1,309 AUD
Retailer 5$1,503 AUD
Retailer 4$1,744 AUD
Retailer 7$2,723 AUD
Rare Carat$3,114 AUD

36 data points across 7 retailers

3 retailers$690 AUD to $1,309 AUD

A
Cheapest Retailer
-
$690 AUD
$482 USD
Final sale: no returns
A
Retailer 2
-
$1,309 AUD
£720 GBP
View
Most Expensive
Rare Carat
814622911 · Oct 14
$3,114 AUD
$2,175 USD
View
Price last confirmed 20 days ago
2 more retailers have this diamond
Prices start from $690 AUDSave up to $619 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
$690 AUD