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Heart|Lab Grown|IGI

1.73ct E VS2 Heart Lab Grown Diamond

EX • E/VS2 • IGI LG831646917

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831646917

Diamond specifications and retailer prices

From $386 CAD
$276 USD
As of October 28, 2026
Save $188 CAD (33%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,261 CAD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.73ct lab-grown heart diamond

This 1.73ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831646917 or 831646917. Listed at 3 retailers as of October 28, 2026, with a 49% 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831646917
Dimensions7.29 × 8.46 × 4.88 mm
L/W Ratio1.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.29 mm8.46 mm1.73 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831646917
Side View
Table 58.0%Crown 34.8°Girdle: THN-MEDPavilion 38.5°Culet: NoneDepth 57.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $3,261 CAD|Low: $386 CAD|High: $3,261 CAD|Avg: $1,092 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 28, 2026
Retailer 2$386 CAD
Retailer 3$574 CAD
Retailer 4$826 CAD
Retailer 6$872 CAD
Retailer 5$1,354 CAD
Brilliant Earth$3,261 CAD

18 data points across 6 retailers

3 retailers$386 CAD to $574 CAD

A
Cheapest Retailer
-
$386 CAD
$276 USD
Final sale: no returns
B+
Retailer 2
-
$574 CAD
$410 USD
View
Most Expensive
Brilliant Earth
21232453A · Oct 8
$3,261 CAD
$2,330 USD
View
Price last confirmed 21 days ago
2 more retailers have this diamond
Prices start from $386 CADSave up to $188 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 Heart
$386 CAD