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 $422 USD
As of October 30, 2026
Save $1,938 USD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,360 USD 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 30, 2026, with prices from $422 to $2,360, a $1,938 spread on the same certified stone. Do Amore Diamonds lists it at $2,360. 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
Color
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

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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: $2,360 USD|Low: $422 USD|High: $2,360 USD|Avg: $919 USD
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
October 30, 2026
Retailer 13$422 USD
Retailer 2$451 USD
Retailer 5$480 USD
Retailer 10$513 USD
Retailer 11$558 USD
Retailer 7$578 USD
Retailer 6$783 USD
Retailer 9$885 USD
Retailer 4$932 USD
Retailer 12$1,219 USD
Retailer 3$1,249 USD
Retailer 8$1,350 USD
Do Amore Diamonds$2,360 USD

23 data points across 13 retailers

10 retailers$422 USD to $2,360 USD

A
Cheapest Retailer
-
$422 USD
A
Retailer 2
-
$451 USD
£355 GBP
View
A
Retailer 3
-
$513 USD
View
A
Retailer 4
-
$558 USD
View
A
Retailer 5
-
$578 USD
ZAR 9,338 ZAR
View
A
Retailer 6
-
$783 USD
A$1,204 AUD
View
Retailer 7
-
$885 USD
View
Price last confirmed 10 days ago
B
Retailer 8
-
$1,249 USD
View
B
Retailer 9
-
$1,350 USD
£1,063 GBP
View
Most Expensive
B
Do Amore Diamonds
27-B78602B72 · Oct 31
$2,360 USD
View
9 more retailers have this diamond
Prices start from $422 USDSave up to $1,938 USD

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
$422 USD