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Radiant|Lab Grown|IGI

1.73ct F VS2 Radiant Lab Grown Diamond

GD • F/VS2 • IGI LG640400146

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG640400146

Diamond specifications and retailer prices

From £517 GBP
As of October 31, 2026
2 retailers carry this diamond
Most expensive: £908 GBP at Rare Carat
View at Rare Carat

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 F colour (colourless) and VS2 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG640400146 or 640400146. Listed at 2 retailers as of October 31, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.73
Carat
F
Colour
VS2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640400146
Dimensions8.62 × 5.94 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.62 mm5.94 mm1.73 ctF / VS2
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640400146
Side View
Table 68.0%Crown 40.6°Girdle: MediumPavilion 34.7°Culet: NoneDepth 66.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: £908 GBP|Low: £175 GBP|High: £963 GBP|Avg: £633 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
March 16, 2026
Retailer 2£227 GBP
Retailer 3£318 GBP
Retailer 8£368 GBP
Retailer 4£455 GBP
Retailer 7£731 GBP
Rare Carat£908 GBP
Retailer 6£944 GBP
Retailer 5£955 GBP

32 data points across 8 retailers

2 retailers

B+
Cheapest Retailer
-
£517 GBP
Most Expensive
Rare Carat
640400146
£908 GBP
$1,216 USD
View
1 more retailer has this diamond
Prices start from £517 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.

B+
1.73ct Radiant
£517 GBP