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Radiant|Lab Grown|IGI

1.00ct F SI1 Radiant Lab Grown Diamond

F/SI1 • IGI LG613384051

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

Certificate IGI LG613384051

Diamond specifications and retailer prices

From £320 GBP
As of November 5, 2026
Save £57 GBP (15%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £377 GBP at MD Diamonds and Jewellers · As of November 5, 2026
View at MD Diamonds and Jewellers

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included) and certified by IGI LG613384051 or 613384051. Listed at 2 retailers as of November 5, 2026, with prices from £320 to £377, a £57 spread on the same certified stone. MD Diamonds and Jewellers lists it at £377. 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

1.00
Carat
F
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG613384051
Dimensions7.09 × 5.03 × 3.30 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.09 mm5.03 mm1.00 ctF / SI1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG613384051
Side View
Table 67.0%Crown 46.4°Girdle: Slightly ThickPavilion 34.8°Culet: NoneDepth 65.6%

Caratlytics Score

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

Last verified: Nov 5
Current: £377 GBP|Low: £377 GBP|High: £377 GBP|Avg: £377 GBP
December 30, 2025
MD Diamonds and Jewellers£377 GBP

3 data points across 1 retailer

2 retailers£320 GBP to £377 GBP

B+
Cheapest Retailer
-
£320 GBP
Most Expensive
B
MD Diamonds and Jewellers
LG613384051 · Nov 5
£377 GBP
View
1 more retailer has this diamond
Prices start from £320 GBPSave up to £57 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+
1.00ct Radiant
£320 GBP