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Radiant|Lab Grown|IGI

1.73ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1

Diamond specifications and retailer prices

From £534 GBP
CA$988 CAD
As of October 27, 2026
1 retailer carries this diamond
Only listing: £534 GBP at Diamond Exchange Canada
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Exchange Canada

About this 1.73ct lab-grown radiant diamond

This 1.73ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at a single retailer as of October 27, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.73
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Top View
LengthWidth1.73 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 67.5%CrownGirdle: Slightly ThickPavilionCuletDepth 68.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 27
Current: £534 GBP|Low: £534 GBP|High: £550 GBP|Avg: £542 GBP|-2.9%
October 13, 2026
Diamond Exchange Canada£534 GBP

2 data points across 1 retailer

1 retailer

B
Diamond Exchange Canada
1977687157 · Oct 27
£534 GBP
CA$988 CAD
View

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.

B
1.73ct Radiant
£534 GBP