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Radiant|Lab Grown|IGI

1.58ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG843641470

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

Certificate IGI LG843641470

Diamond specifications and retailer prices

From £165 GBP
$221 USD
As of October 27, 2026
Save £826 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £991 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.58ct lab-grown radiant diamond

This 1.58ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843641470 or 843641470. Listed at 19 retailers as of October 27, 2026, with prices from £165 to £991, a £826 spread on the same certified stone. Brilliant Earth lists it at £991. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle41.1°
Pavilion angle43.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843641470
Dimensions8.11 × 5.54 × 4.10 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.11 mm5.54 mm1.58 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG843641470
Side View
Table 73.0%Crown 41.1°Girdle: STK-THKPavilion 43.7°Culet: NoneDepth 74.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £991 GBP|Low: £165 GBP|High: £1,446 GBP|Avg: £587 GBP|-31.4%
Brilliant Earth
Retailer 2
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Retailer 12
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November 2, 2026
Retailer 10£165 GBP
Retailer 6£183 GBP
Retailer 18£192 GBP
Retailer 9£204 GBP
Retailer 15£240 GBP
Retailer 13£337 GBP
Retailer 20£346 GBP
Retailer 3£349 GBP
Retailer 16£378 GBP
Retailer 14£421 GBP
Retailer 19£452 GBP
Retailer 11£466 GBP
Retailer 2£527 GBP
Retailer 8£657 GBP
Retailer 7£696 GBP
Retailer 5£733 GBP
Retailer 12£809 GBP
Retailer 17£821 GBP
Retailer 4£940 GBP
Brilliant Earth£991 GBP

13 data points across 20 retailers

19 retailers£165 GBP to £991 GBP

A
Cheapest Retailer
-
£165 GBP
$221 USD
Retailer 2
-
£192 GBP
$257 USD
View
Price last confirmed 9 days ago
Retailer 3
-
£204 GBP
$274 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
£240 GBP
View
A
Retailer 5
-
£337 GBP
€431 EUR
View
Retailer 6
-
£346 GBP
ZAR 7,494 ZAR
View
Price last confirmed 10 days ago
Retailer 7
-
£349 GBP
$468 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
£378 GBP
View
A
Retailer 9
-
£421 GBP
$565 USD
View
Retailer 10
-
£452 GBP
$606 USD
View
Price last confirmed 7 days ago
Retailer 11
-
£466 GBP
$625 USD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
£527 GBP
$707 USD
View
Retailer 13
-
£657 GBP
$882 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
£696 GBP
$935 USD
View
B+
Retailer 15
-
£733 GBP
$983 USD
View
Retailer 16
-
£809 GBP
$1,085 USD
View
Price last confirmed 15 days ago
B
Retailer 17
-
£821 GBP
View
Price last confirmed 7 days ago
Retailer 18
-
£940 GBP
$1,261 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
22183845A · Nov 2
£991 GBP
$1,330 USD
View
18 more retailers have this diamond
Prices start from £165 GBPSave up to £826 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
1.58ct Radiant
£165 GBP