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Cushion|Lab Grown|IGI

1.73ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG777634305

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG777634305

Diamond specifications and retailer prices

From $448 AUD
$315 USD
As of October 28, 2026
Save $3,893 AUD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,341 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG777634305 or 777634305. Listed at 18 retailers as of October 28, 2026, with prices from $448 to $4,341, a $3,893 spread on the same certified stone. Brilliant Earth lists it at $4,341. 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 angle33.2°
Pavilion angle43.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777634305
Dimensions8.21 × 6.50 × 4.44 mm
L/W Ratio1.26
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.21 mm6.50 mm1.73 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777634305
Side View
Table 61.0%Crown 33.2°Girdle: MED-STKPavilion 43.8°Culet: NoneDepth 68.3%

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 28
Current: $4,341 AUD|Low: $448 AUD|High: $4,526 AUD|Avg: $1,362 AUD|+7.4%
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
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 5$448 AUD
Retailer 16$497 AUD
Retailer 3$532 AUD
Retailer 7$669 AUD
Retailer 14$669 AUD
Retailer 10$807 AUD
Retailer 13$853 AUD
Retailer 2$876 AUD
Retailer 4$881 AUD
Retailer 17$1,132 AUD
Retailer 12$1,155 AUD
Retailer 8$1,668 AUD
Retailer 9$1,910 AUD
Retailer 11$2,001 AUD
Retailer 6$2,068 AUD
Retailer 15$2,541 AUD
Brilliant Earth$4,341 AUD

33 data points across 17 retailers

18 retailers$448 AUD to $4,341 AUD

A
Cheapest Retailer
-
$448 AUD
$315 USD
Final sale: no returns
A
Retailer 2
-
$497 AUD
$349 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$532 AUD
£294 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$669 AUD
$470 USD
View
B+
Retailer 5
-
$669 AUD
$470 USD
View
A
Retailer 6
-
$807 AUD
€540 EUR
View
A
Retailer 7
-
$853 AUD
ZAR 9,684 ZAR
View
A
Retailer 8
-
$876 AUD
£484 GBP
View
A
Retailer 9
-
$881 AUD
$619 USD
View
A
Retailer 10
-
$1,132 AUD
$795 USD
View
A
Retailer 11
-
$1,155 AUD
View
B+
Retailer 12
-
$1,668 AUD
$1,172 USD
View
B+
Retailer 13
-
$1,910 AUD
$1,342 USD
View
B+
Retailer 14
-
$2,001 AUD
£1,107 GBP
View
B+
Retailer 15
-
$2,068 AUD
$1,453 USD
View
B+
Retailer 16
-
$2,541 AUD
$1,785 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
$3,597 AUD
£1,990 GBP
View
Most Expensive
B
Brilliant Earth
18619133A · Oct 29
$4,341 AUD
$3,050 USD
View
17 more retailers have this diamond
Prices start from $448 AUDSave up to $3,893 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
$448 AUD