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Cushion|Lab Grown|IGI

1.73ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG787651720

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG787651720

Diamond specifications and retailer prices

From $480 AUD
$337 USD
As of October 28, 2026
Save $1,571 AUD (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,562 AUD at Rare Carat · As of October 19, 2026
View at Rare Carat

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 LG787651720 or 787651720. Listed at 8 retailers as of October 28, 2026, with a 328% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle32.4°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787651720
Dimensions8.65 × 6.04 × 3.91 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.65 mm6.04 mm1.73 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787651720
Side View
Table 62.0%Crown 32.4°Girdle: STK-THKPavilion 34.4°Culet: NoneDepth 64.7%

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 28
Current: $2,562 AUD|Low: $347 AUD|High: $3,857 AUD|Avg: $1,574 AUD|+2.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 6$480 AUD
Retailer 5$686 AUD
Retailer 3$690 AUD
Retailer 2$829 AUD
Retailer 4$1,305 AUD
Retailer 8$1,639 AUD
Retailer 7$2,051 AUD
Rare Carat$2,562 AUD
Retailer 9$3,430 AUD

30 data points across 9 retailers

8 retailers$480 AUD to $2,051 AUD

A
Cheapest Retailer
-
$480 AUD
$337 USD
Final sale: no returns
B+
Retailer 2
-
$686 AUD
$482 USD
View
A
Retailer 3
-
$690 AUD
$485 USD
View
A
Retailer 4
-
$829 AUD
€555 EUR
View
B+
Retailer 5
-
$1,305 AUD
$917 USD
View
B+
Retailer 6
-
$1,639 AUD
SGD 1,556 SGD
View
B+
Retailer 7
-
$2,051 AUD
$1,441 USD
View
Most Expensive
Rare Carat
15M787651720 · Oct 19
$2,562 AUD
$1,800 USD
View
Price last confirmed 10 days ago
7 more retailers have this diamond
Prices start from $480 AUDSave up to $1,571 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
$480 AUD