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Cushion|Lab Grown|IGI

1.58ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG665403540

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

Certificate IGI LG665403540

Diamond specifications and retailer prices

From $601 AUD
$422 USD
As of November 1, 2026
Save $2,759 AUD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,360 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 LG665403540 or 665403540. Listed at 10 retailers as of October 31, 2026, with prices from $601 to $3,360, a $2,759 spread on the same certified stone. Do Amore Diamonds lists it at $3,360. 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
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665403540
Dimensions6.82 × 6.67 × 4.41 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.82 mm6.67 mm1.58 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665403540
Side View
Table 62.0%Crown 33.6°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 66.1%

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: $3,360 AUD|Low: $601 AUD|High: $3,360 AUD|Avg: $1,307 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 13$601 AUD
Retailer 2$640 AUD
Retailer 5$683 AUD
Retailer 10$730 AUD
Retailer 11$794 AUD
Retailer 7$823 AUD
Retailer 6$1,114 AUD
Retailer 9$1,260 AUD
Retailer 4$1,327 AUD
Retailer 12$1,736 AUD
Retailer 3$1,778 AUD
Retailer 8$1,922 AUD
Do Amore Diamonds$3,360 AUD

24 data points across 13 retailers

10 retailers$601 AUD to $3,360 AUD

A
Cheapest Retailer
-
$601 AUD
$422 USD
A
Retailer 2
-
$640 AUD
£354 GBP
View
A
Retailer 3
-
$730 AUD
$513 USD
View
A
Retailer 4
-
$794 AUD
$558 USD
View
A
Retailer 5
-
$823 AUD
ZAR 9,338 ZAR
View
A
Retailer 6
-
$1,114 AUD
View
B+
Retailer 7
-
$1,260 AUD
$885 USD
View
B
Retailer 8
-
$1,778 AUD
$1,249 USD
View
Retailer 9
-
$1,922 AUD
£1,063 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-B78602B72 · Oct 31
$3,360 AUD
$2,360 USD
View
9 more retailers have this diamond
Prices start from $601 AUDSave up to $2,759 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
$601 AUD