Radiant|Lab Grown|IGI

1.58ct E VS1 Radiant Lab Grown Diamond

VG • E/VS1 • IGI LG649494251

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

Certificate IGI LG649494251

Diamond specifications and retailer prices

From £182 GBP
$242 USD
As of October 27, 2026
Save £815 GBP (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,502 GBP at Brilliant Earth · As of October 21, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG649494251 or 649494251. Listed at 23 retailers as of October 27, 2026, with a 449% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.58
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649494251
Dimensions8.39 × 5.65 × 3.87 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.39 mm5.65 mm1.58 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649494251
Side View
Table 66.0%Crown 44.8°Girdle: MediumPavilion 35.5°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
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: Oct 27
Current: £1,502 GBP|Low: £179 GBP|High: £1,577 GBP|Avg: £536 GBP|-4.8%
Brilliant Earth
Retailer 2
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Retailer 22
October 29, 2026
Retailer 22£182 GBP
Retailer 12£203 GBP
Retailer 19£211 GBP
Retailer 4£225 GBP
Retailer 5£225 GBP
Retailer 21£265 GBP
Retailer 18£360 GBP
Retailer 14£380 GBP
Retailer 13£387 GBP
Retailer 10£418 GBP
Retailer 2£426 GBP
Retailer 8£472 GBP
Retailer 16£525 GBP
Retailer 3£725 GBP
Retailer 20£727 GBP
Retailer 11£763 GBP
Retailer 6£773 GBP
Retailer 7£862 GBP
Retailer 17£904 GBP
Retailer 9£916 GBP
Retailer 15£997 GBP
Brilliant Earth£1,502 GBP

31 data points across 22 retailers

23 retailers£182 GBP to £997 GBP

A
Cheapest Retailer
-
£182 GBP
$242 USD
A
Retailer 2
-
£203 GBP
$270 USD
View
Final sale: no returns
A
Retailer 3
-
£211 GBP
$281 USD
View
A
Retailer 4
-
£225 GBP
$300 USD
View
A
Retailer 5
-
£225 GBP
$300 USD
View
A
Retailer 6
-
£265 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
£360 GBP
€457 EUR
View
B+
Retailer 8
-
£380 GBP
$506 USD
View
B+
Retailer 9
-
£387 GBP
ZAR 8,328 ZAR
View
A
Retailer 10
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£418 GBP
$557 USD
View
B+
Retailer 11
-
£426 GBP
View
B+
Retailer 12
-
£472 GBP
$628 USD
View
B+
Retailer 13
-
£525 GBP
A$1,076 AUD
View
B+
Retailer 14
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£717 GBP
View
B
Retailer 15
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£725 GBP
$965 USD
View
B
Retailer 16
-
£727 GBP
$968 USD
View
B
Retailer 17
-
£763 GBP
$1,016 USD
View
B
Retailer 18
-
£773 GBP
$1,030 USD
View
Price last confirmed 11 days ago
B
Retailer 19
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£862 GBP
$1,148 USD
View
B
Retailer 20
-
£904 GBP
View
B
Retailer 21
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£916 GBP
$1,220 USD
View
B
Retailer 22
-
£997 GBP
$1,328 USD
View
Most Expensive
B
Brilliant Earth
11632625A · Oct 21
£1,502 GBP
$2,000 USD
View
Price last confirmed 8 days ago
22 more retailers have this diamond
Prices start from £182 GBPSave up to £815 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
£182 GBP