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Cushion|Lab Grown|IGI

1.58ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG665403539

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG665403539

Diamond specifications and retailer prices

From $588 AUD
$413 USD
As of November 1, 2026
Save $2,273 AUD (79%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,861 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.58ct lab-grown cushion diamond

This 1.58ct lab-grown cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG665403539 or 665403539. Listed at 8 retailers as of October 31, 2026, with prices from $588 to $2,861, a $2,273 spread on the same certified stone. Do Amore Diamonds lists it at $2,861. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665403539
Dimensions6.85 × 6.52 × 4.46 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.85 mm6.52 mm1.58 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG665403539
Side View
Table 58.0%Crown 36.8°Girdle: MED-VTKPavilion 40.5°Culet: NoneDepth 68.4%

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: Nov 1
Current: $2,861 AUD|Low: $588 AUD|High: $2,861 AUD|Avg: $1,256 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8$588 AUD
Retailer 6$635 AUD
Retailer 3$683 AUD
Retailer 2$703 AUD
Retailer 7$736 AUD
Retailer 5$1,239 AUD
Retailer 11$1,327 AUD
Retailer 9$1,554 AUD
Retailer 4$1,642 AUD
Retailer 10$1,866 AUD
Do Amore Diamonds$2,861 AUD

20 data points across 11 retailers

8 retailers$588 AUD to $2,861 AUD

A
Cheapest Retailer
-
$588 AUD
$413 USD
B+
Retailer 2
-
$635 AUD
$446 USD
View
A
Retailer 3
-
$703 AUD
ZAR 7,981 ZAR
View
A
Retailer 4
-
$736 AUD
$517 USD
View
B+
Retailer 5
-
$1,239 AUD
$870 USD
View
B+
Retailer 6
-
$1,554 AUD
$1,091 USD
View
B
Retailer 7
-
$1,642 AUD
£908 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E318F046D · Oct 31
$2,861 AUD
$2,010 USD
View
7 more retailers have this diamond
Prices start from $588 AUDSave up to $2,273 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
1.58ct Cushion
$588 AUD