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Cushion|Lab Grown|IGI

1.45ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG717558593

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG717558593

Diamond specifications and retailer prices

From $347 AUD
$244 USD
As of October 30, 2026
Save $1,873 AUD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,221 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.45ct lab-grown cushion diamond

This 1.45ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG717558593 or 717558593. Listed at 14 retailers as of October 29, 2026, with prices from $347 to $2,221, a $1,873 spread on the same certified stone. Brilliant Earth lists it at $2,221. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717558593
Dimensions6.67 × 6.47 × 4.38 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
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
6.67 mm6.47 mm1.45 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717558593
Side View
Table 62.0%Crown 34.8°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 67.7%

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: $2,221 AUD|Low: $246 AUD|High: $2,406 AUD|Avg: $1,034 AUD|-7.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 3$347 AUD
Retailer 14$384 AUD
Retailer 13$520 AUD
Retailer 8$661 AUD
Retailer 7$702 AUD
Retailer 2$714 AUD
Retailer 4$853 AUD
Retailer 9$941 AUD
Retailer 12$966 AUD
Retailer 11$1,274 AUD
Retailer 5$1,312 AUD
Retailer 10$1,544 AUD
Retailer 6$1,781 AUD
Brilliant Earth$2,221 AUD

41 data points across 14 retailers

14 retailers$347 AUD to $2,221 AUD

A
Cheapest Retailer
-
$347 AUD
$244 USD
Final sale: no returns
A
Retailer 2
-
$384 AUD
$270 USD
View
B+
Retailer 3
-
$520 AUD
$365 USD
View
A
Retailer 4
-
$661 AUD
ZAR 7,503 ZAR
View
A
Retailer 5
-
$702 AUD
€470 EUR
View
A
Retailer 6
-
$714 AUD
£395 GBP
View
A
Retailer 7
-
$853 AUD
$599 USD
View
A
Retailer 8
-
$941 AUD
View
B+
Retailer 9
-
$966 AUD
$679 USD
View
Retailer 10
-
$1,274 AUD
$895 USD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
$1,312 AUD
$922 USD
View
B
Retailer 12
-
$1,544 AUD
£854 GBP
View
B
Retailer 13
-
$1,781 AUD
$1,251 USD
View
Most Expensive
B
Brilliant Earth
21312937A · Oct 29
$2,221 AUD
$1,560 USD
View
13 more retailers have this diamond
Prices start from $347 AUDSave up to $1,873 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
1.45ct Cushion
$347 AUD