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Radiant|Lab Grown|IGI

1.00ct F VVS1 Radiant Lab Grown Diamond

EX • F/VVS1 • IGI LG845667990

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

Certificate IGI LG845667990

Diamond specifications and retailer prices

From £144 GBP
As of November 5, 2026
Save £383 GBP (73%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £528 GBP at Rare Carat · As of November 4, 2026
View at Rare Carat

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG845667990 or 845667990. Listed at 3 retailers as of November 4, 2026, with prices from £144 to £528, a £383 spread on the same certified stone. Rare Carat lists it at £528. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.7°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845667990
Dimensions7.07 × 4.94 × 3.28 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.07 mm4.94 mm1.00 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845667990
Side View
Table 64.0%Crown 46.7°Girdle: MediumPavilion 35°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £528 GBP|Low: £144 GBP|High: £542 GBP|Avg: £334 GBP|-2.7%
Rare Carat
Retailer 2
Retailer 3
November 5, 2026
Retailer 3£144 GBP
Retailer 2£294 GBP
Rare Carat£528 GBP

23 data points across 3 retailers

3 retailers£144 GBP to £528 GBP

A
Cheapest Retailer
-
£144 GBP
Final sale: no returns
A
Retailer 2
-
£294 GBP
View
Most Expensive
B
Rare Carat
845667990 · Nov 4
£528 GBP
$710 USD
View
2 more retailers have this diamond
Prices start from £144 GBPSave up to £383 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
1.00ct Radiant
£144 GBP