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Radiant|Lab Grown|IGI

1.43ct F VVS1 Radiant Lab Grown Diamond

ID • F/VVS1 • IGI LG549205486

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

Certificate IGI LG549205486

Diamond specifications and retailer prices

From £151 GBP
$203 USD
As of November 1, 2026
Save £817 GBP (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £969 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.43ct lab-grown radiant diamond

This 1.43ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG549205486 or 549205486. Listed at 10 retailers as of November 1, 2026, with prices from £151 to £969, a £817 spread on the same certified stone. Brilliant Earth lists it at £969. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG549205486
Dimensions8.04 × 5.67 × 3.62 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.04 mm5.67 mm1.43 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG549205486
Side View
Table 62.5%Crown 38.6°Girdle: Slightly ThickPavilion 33.1°Culet: NoneDepth 63.8%

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: £969 GBP|Low: £151 GBP|High: £991 GBP|Avg: £471 GBP|-2.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9£151 GBP
Retailer 7£297 GBP
Retailer 4£321 GBP
Retailer 3£341 GBP
Retailer 8£359 GBP
Retailer 2£453 GBP
Retailer 6£727 GBP
Retailer 5£870 GBP
Brilliant Earth£969 GBP

42 data points across 9 retailers

10 retailers£151 GBP to £969 GBP

A
Cheapest Retailer
-
£151 GBP
$203 USD
Final sale: no returns
B+
Retailer 2
-
£297 GBP
$399 USD
View
A
Retailer 3
-
£321 GBP
ZAR 6,960 ZAR
View
A
Retailer 4
-
£341 GBP
View
A
Retailer 5
-
£359 GBP
$482 USD
View
A
Retailer 6
-
£453 GBP
A$936 AUD
View
B
Retailer 7
-
£726 GBP
$975 USD
View
B
Retailer 8
-
£727 GBP
View
B
Retailer 9
-
£870 GBP
View
Most Expensive
B
Brilliant Earth
15667650Y · Nov 2
£969 GBP
$1,300 USD
View
9 more retailers have this diamond
Prices start from £151 GBPSave up to £817 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
1.43ct Radiant
£151 GBP