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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 $472 CAD
$337 USD
As of October 28, 2026
Save $1,545 CAD (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,519 CAD 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
Color
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: $2,519 CAD|Low: $342 CAD|High: $3,793 CAD|Avg: $1,552 CAD|+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$472 CAD
Retailer 5$675 CAD
Retailer 3$679 CAD
Retailer 2$816 CAD
Retailer 4$1,283 CAD
Retailer 8$1,612 CAD
Retailer 7$2,017 CAD
Rare Carat$2,519 CAD
Retailer 9$3,373 CAD

31 data points across 9 retailers

8 retailers$472 CAD to $2,017 CAD

A
Cheapest Retailer
-
$472 CAD
$337 USD
Final sale: no returns
B+
Retailer 2
-
$675 CAD
$482 USD
View
A
Retailer 3
-
$679 CAD
$485 USD
View
A
Retailer 4
-
$816 CAD
€555 EUR
View
B+
Retailer 5
-
$1,283 CAD
$917 USD
View
B+
Retailer 6
-
$1,612 CAD
SGD 1,556 SGD
View
B+
Retailer 7
-
$2,017 CAD
$1,441 USD
View
Most Expensive
B
Rare Carat
15M787651720 · Oct 19
$2,519 CAD
$1,800 USD
View
Price last confirmed 10 days ago
7 more retailers have this diamond
Prices start from $472 CADSave up to $1,545 CAD

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
$472 CAD