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Cushion|Lab Grown|IGI

1.73ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG837694741

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837694741

Diamond specifications and retailer prices

From £268 GBP
As of October 29, 2026
Save £828 GBP (76%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,096 GBP 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837694741 or 837694741. Listed at 4 retailers as of October 29, 2026, with prices from £268 to £1,096, a £828 spread on the same certified stone. Brilliant Earth lists it at £1,096. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837694741
Dimensions8.87 × 6.03 × 4.11 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.87 mm6.03 mm1.73 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837694741
Side View
Table 60.0%Crown 36.1°Girdle: MED-THKPavilion 37.6°CuletDepth 68.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £1,096 GBP|Low: £228 GBP|High: £1,096 GBP|Avg: £526 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 2£268 GBP
Retailer 4£326 GBP
Retailer 5£529 GBP
Retailer 3£882 GBP
Brilliant Earth£1,096 GBP

16 data points across 5 retailers

4 retailers£268 GBP to £1,096 GBP

A
Cheapest Retailer
-
£268 GBP
Retailer 2
-
£529 GBP
$705 USD
View
Price last confirmed 11 days ago
Retailer 3
-
£882 GBP
$1,175 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
22347149Y · Oct 29
£1,096 GBP
$1,460 USD
View
3 more retailers have this diamond
Prices start from £268 GBPSave up to £828 GBP

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
£268 GBP