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Round|Lab Grown|IGI

0.73ct K VS1 Round Lab Grown Diamond

EX • K/VS1 • IGI LG645430229

Certificate IGI LG645430229

Diamond specifications and retailer prices

From £390 GBP
As of November 5, 2026
Save £318 GBP (45%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £708 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 0.73ct lab-grown round diamond

This 0.73ct lab-grown round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG645430229 or 645430229. Listed at 2 retailers as of November 5, 2026, with prices from £390 to £708, a £318 spread on the same certified stone. Yorxs lists it at £708. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.73
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG645430229
Dimensions5.71 × 5.76 × 3.57 mm
L/W Ratio1.01
Top View
5.71 mm5.76 mm0.73 ctK / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645430229
Side View
Table 59.0%CrownGirdlePavilionCuletDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £390 GBP|Low: £390 GBP|High: £711 GBP|Avg: £565 GBP|-3.5%
Retailer 1
Retailer 2
Yorxs
November 6, 2026
Retailer 1£390 GBP
Retailer 2£608 GBP
Yorxs£708 GBP

38 data points across 3 retailers

2 retailers£390 GBP to £708 GBP

B+
Cheapest Retailer
-
£390 GBP
Most Expensive
B
Yorxs
RG4307 · Nov 6
£708 GBP
€907 EUR
View
1 more retailer has this diamond
Prices start from £390 GBPSave up to £318 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+
0.73ct Round
£390 GBP