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Cushion|Lab Grown|IGI

1.73ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG837694678

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837694678

Diamond specifications and retailer prices

From $424 CAD
£238 GBP
As of October 30, 2026
Save $1,032 CAD (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,645 CAD at Rare Carat · As of October 21, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837694678 or 837694678. Listed at 5 retailers as of October 29, 2026, with a 244% 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 angle37.2°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837694678
Dimensions8.37 × 6.20 × 4.25 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.37 mm6.20 mm1.73 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837694678
Side View
Table 60.0%Crown 37.2°Girdle: MED-STKPavilion 37.8°CuletDepth 68.5%

Caratlytics Score

How it works →
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 30
Current: $1,645 CAD|Low: $422 CAD|High: $1,666 CAD|Avg: $1,060 CAD|-1.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 2$424 CAD
Retailer 3$611 CAD
Retailer 5$987 CAD
Retailer 4$1,456 CAD
Rare Carat$1,645 CAD

26 data points across 5 retailers

5 retailers$424 CAD to $1,456 CAD

A
Cheapest Retailer
-
$424 CAD
£238 GBP
A
Retailer 2
-
$611 CAD
€416 EUR
View
B+
Retailer 3
-
$987 CAD
$705 USD
View
B+
Retailer 4
-
$1,456 CAD
£819 GBP
View
Most Expensive
Rare Carat
LGLCU15-154079 · Oct 21
$1,645 CAD
$1,175 USD
View
Price last confirmed 8 days ago
4 more retailers have this diamond
Prices start from $424 CADSave up to $1,032 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
$424 CAD