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Cushion|Lab Grown|IGI

1.42ct E VVS1 Cushion Lab Grown Diamond

VG • E/VVS1 • IGI LG830620295

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG830620295

Diamond specifications and retailer prices

From $370 AUD
$260 USD
As of October 30, 2026
Save $2,272 AUD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,642 AUD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

About this 1.42ct lab-grown cushion diamond

This 1.42ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG830620295 or 830620295. Listed at 13 retailers as of October 30, 2026, with prices from $370 to $2,642, a $2,272 spread on the same certified stone. Helzberg Diamonds lists it at $2,642. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.42
Carat
E
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.6°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830620295
Dimensions8.39 × 5.69 × 3.72 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.39 mm5.69 mm1.42 ctE / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830620295
Side View
Table 60.0%Crown 30.6°Girdle: STK-THKPavilion 35.4°Culet: NoneDepth 65.4%

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 30
Current: $2,642 AUD|Low: $370 AUD|High: $2,642 AUD|Avg: $1,065 AUD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 12$370 AUD
Retailer 6$503 AUD
Retailer 2$683 AUD
Retailer 8$695 AUD
Retailer 9$704 AUD
Retailer 5$773 AUD
Retailer 11$1,000 AUD
Retailer 10$1,059 AUD
Retailer 3$1,324 AUD
Retailer 4$1,392 AUD
Retailer 7$1,651 AUD
Helzberg Diamonds$2,642 AUD

6 data points across 12 retailers

13 retailers$370 AUD to $2,642 AUD

A
Cheapest Retailer
-
$370 AUD
$260 USD
Final sale: no returns
A
Retailer 2
-
$503 AUD
£278 GBP
View
A
Retailer 3
-
$683 AUD
€457 EUR
View
A
Retailer 4
-
$695 AUD
$488 USD
View
A
Retailer 5
-
$704 AUD
ZAR 7,992 ZAR
View
A
Retailer 6
-
$773 AUD
£428 GBP
View
B+
Retailer 7
-
$1,000 AUD
View
B+
Retailer 8
-
$1,059 AUD
$744 USD
View
B
Retailer 9
-
$1,324 AUD
SGD 1,257 SGD
View
B+
Retailer 10
-
$1,392 AUD
$978 USD
View
B
Retailer 11
-
$1,651 AUD
£913 GBP
View
B
Retailer 12
-
$2,178 AUD
$1,530 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJGMIGIPL · Oct 30
$2,642 AUD
$1,856 USD
View
12 more retailers have this diamond
Prices start from $370 AUDSave up to $2,272 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
1.42ct Cushion
$370 AUD