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Radiant|Lab Grown|IGI

1.58ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG811682627

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

Certificate IGI LG811682627

Diamond specifications and retailer prices

From £154 GBP
$206 USD
As of November 2, 2026
Save £1,287 GBP (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,440 GBP at Brilliant Earth · As of October 31, 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 LG811682627 or 811682627. Listed at 21 retailers as of October 31, 2026, with prices from £154 to £1,440, a £1,287 spread on the same certified stone. Brilliant Earth lists it at £1,440. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811682627
Dimensions8.47 × 5.73 × 3.85 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.47 mm5.73 mm1.58 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811682627
Side View
Table 65.0%Crown 42.3°Girdle: MediumPavilion 34.3°Culet: NoneDepth 67.2%

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 2
Current: £1,440 GBP|Low: £154 GBP|High: £1,515 GBP|Avg: £473 GBP|-4.9%
Brilliant Earth
Retailer 2
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Retailer 20
November 2, 2026
Retailer 4£154 GBP
Retailer 7£172 GBP
Retailer 19£178 GBP
Retailer 3£191 GBP
Retailer 18£191 GBP
Retailer 13£223 GBP
Retailer 15£329 GBP
Retailer 10£330 GBP
Retailer 17£337 GBP
Retailer 14£351 GBP
Retailer 12£408 GBP
Retailer 11£440 GBP
Retailer 2£445 GBP
Retailer 20£613 GBP
Retailer 5£616 GBP
Retailer 6£739 GBP
Retailer 16£765 GBP
Retailer 8£777 GBP
Retailer 9£906 GBP
Brilliant Earth£1,440 GBP

36 data points across 20 retailers

21 retailers£154 GBP to £1,440 GBP

A
Cheapest Retailer
-
£154 GBP
$206 USD
A
Retailer 2
-
£172 GBP
$231 USD
View
Final sale: no returns
A
Retailer 3
-
£178 GBP
$239 USD
View
Retailer 4
-
£191 GBP
$256 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£191 GBP
$256 USD
View
A
Retailer 6
-
£223 GBP
View
A
Retailer 7
-
£329 GBP
ZAR 7,131 ZAR
View
B+
Retailer 8
-
£330 GBP
$442 USD
View
A
Retailer 9
-
£337 GBP
€430 EUR
View
A
Retailer 10
-
£351 GBP
View
A
Retailer 11
-
£408 GBP
$547 USD
View
A
Retailer 12
-
£440 GBP
$589 USD
View
A
Retailer 13
-
£445 GBP
A$917 AUD
View
B+
Retailer 14
-
£613 GBP
$822 USD
View
B+
Retailer 15
-
£616 GBP
$825 USD
View
B+
Retailer 16
-
£653 GBP
$875 USD
View
B+
Retailer 17
-
£739 GBP
$990 USD
View
B+
Retailer 18
-
£765 GBP
View
B
Retailer 19
-
£777 GBP
$1,041 USD
View
Retailer 20
-
£906 GBP
$1,213 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
20357316A · Oct 31
£1,440 GBP
$1,930 USD
View
20 more retailers have this diamond
Prices start from £154 GBPSave up to £1,287 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
£154 GBP