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Cushion|Lab Grown|IGI

1.73ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG728559205

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

Certificate IGI LG728559205

Diamond specifications and retailer prices

From $672 AUD
$472 USD
As of October 30, 2026
Save $2,944 AUD (81%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,615 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.73ct lab-grown cushion diamond

This 1.73ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG728559205 or 728559205. Listed at 8 retailers as of October 30, 2026, with prices from $672 to $3,615, a $2,944 spread on the same certified stone. Do Amore Diamonds lists it at $3,615. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728559205
Dimensions6.77 × 6.59 × 4.57 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
6.77 mm6.59 mm1.73 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728559205
Side View
Table 66.0%Crown 41.2°Girdle: STK-THKPavilion 39.1°Culet: NoneDepth 69.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,615 AUD|Low: $403 AUD|High: $3,615 AUD|Avg: $1,282 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
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 6$403 AUD
Retailer 2$672 AUD
Retailer 10$726 AUD
Retailer 4$757 AUD
Retailer 16$828 AUD
Retailer 5$833 AUD
Retailer 9$874 AUD
Retailer 3$1,035 AUD
Retailer 8$1,117 AUD
Retailer 11$1,123 AUD
Retailer 14$1,593 AUD
Retailer 13$1,808 AUD
Retailer 15$2,569 AUD
Retailer 12$3,070 AUD
Retailer 7$3,260 AUD
Do Amore Diamonds$3,615 AUD

12 data points across 16 retailers

8 retailers$672 AUD to $3,615 AUD

B+
Cheapest Retailer
-
$672 AUD
$472 USD
A
Retailer 2
-
$726 AUD
$510 USD
View
A
Retailer 3
-
$874 AUD
€585 EUR
View
A
Retailer 4
-
$1,011 AUD
$710 USD
View
Retailer 5
-
$2,555 AUD
$1,795 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$2,569 AUD
$1,805 USD
View
Price last confirmed 32 days ago
B
Retailer 7
-
$3,070 AUD
$2,157 USD
View
Most Expensive
B
Do Amore Diamonds
27-8EEDACA36 · Oct 30
$3,615 AUD
$2,540 USD
View
7 more retailers have this diamond
Prices start from $672 AUDSave up to $2,944 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
1.73ct Cushion
$672 AUD