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Radiant|Lab Grown|IGI

0.43ct F VVS1 Radiant Lab Grown Diamond

EX • F/VVS1 • IGI LG655425991

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

Certificate IGI LG655425991

Diamond specifications and retailer prices

From £153 GBP
$205 USD
As of November 1, 2026
Save £177 GBP (54%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £330 GBP at Riddles Jewelry · As of October 31, 2026
View at Riddles Jewelry

About this 0.43ct lab-grown radiant diamond

This 0.43ct lab-grown radiant sits in the sub-half-carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG655425991 or 655425991. Listed at 6 retailers as of October 31, 2026, with prices from £153 to £330, a £177 spread on the same certified stone. Riddles Jewelry lists it at £330. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.43
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle53.9°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655425991
Dimensions5.40 × 3.68 × 2.49 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.40 mm3.68 mm0.43 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655425991
Side View
Table 64.0%Crown 53.9°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 67.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £254 GBP|Low: £143 GBP|High: £372 GBP|Avg: £257 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Riddles Jewelry
October 30, 2026
Retailer 4£153 GBP
Retailer 3£169 GBP
Retailer 1£254 GBP
Retailer 6£271 GBP
Retailer 2£280 GBP
Riddles Jewelry£330 GBP
Retailer 5£372 GBP

8 data points across 7 retailers

6 retailers£153 GBP to £330 GBP

A
Cheapest Retailer
-
£153 GBP
$205 USD
A
Retailer 2
-
£169 GBP
$227 USD
View
B+
Retailer 3
-
£254 GBP
$340 USD
View
B+
Retailer 4
-
£271 GBP
View
B
Retailer 5
-
£280 GBP
CA$521 CAD
View
Most Expensive
B
Riddles Jewelry
1966225646 · Oct 31
£330 GBP
$442 USD
View
5 more retailers have this diamond
Prices start from £153 GBPSave up to £177 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
0.43ct Radiant
£153 GBP