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Radiant|Lab Grown|IGI

1.58ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG648486277

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

Certificate IGI LG648486277

Diamond specifications and retailer prices

From £156 GBP
$208 USD
As of October 27, 2026
Save £760 GBP (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,577 GBP at Brilliant Earth · As of October 13, 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 top-tier cut grade and certified by IGI LG648486277 or 648486277. Listed at 22 retailers as of October 27, 2026, with a 487% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648486277
Dimensions8.54 × 5.70 × 3.84 mm
L/W Ratio1.50
Culet sizePointed
Top View
8.54 mm5.70 mm1.58 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648486277
Side View
Table 65.0%Crown 42.1°Girdle: MediumPavilion 35.3°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £1,577 GBP|Low: £156 GBP|High: £1,577 GBP|Avg: £485 GBP
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 21£156 GBP
Retailer 10£174 GBP
Retailer 18£182 GBP
Retailer 4£194 GBP
Retailer 5£194 GBP
Retailer 20£228 GBP
Retailer 15£334 GBP
Retailer 12£335 GBP
Retailer 2£358 GBP
Retailer 17£360 GBP
Retailer 9£410 GBP
Retailer 7£445 GBP
Retailer 16£453 GBP
Retailer 3£624 GBP
Retailer 19£626 GBP
Retailer 11£664 GBP
Retailer 6£773 GBP
Retailer 13£782 GBP
Retailer 8£791 GBP
Retailer 14£917 GBP
Brilliant Earth£1,577 GBP

36 data points across 21 retailers

22 retailers£156 GBP to £917 GBP

A
Cheapest Retailer
-
£156 GBP
$208 USD
A
Retailer 2
-
£174 GBP
$232 USD
View
Final sale: no returns
A
Retailer 3
-
£182 GBP
$242 USD
View
A
Retailer 4
-
£194 GBP
$259 USD
View
A
Retailer 5
-
£194 GBP
$259 USD
View
Retailer 6
-
£228 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
£334 GBP
ZAR 7,175 ZAR
View
B+
Retailer 8
-
£335 GBP
$446 USD
View
A
Retailer 9
-
£358 GBP
View
A
Retailer 10
-
£360 GBP
€457 EUR
View
A
Retailer 11
-
£410 GBP
$546 USD
View
B+
Retailer 12
-
£445 GBP
$592 USD
View
A
Retailer 13
-
£453 GBP
A$929 AUD
View
B+
Retailer 14
-
£624 GBP
$831 USD
View
B+
Retailer 15
-
£626 GBP
$834 USD
View
B+
Retailer 16
-
£664 GBP
$884 USD
View
B
Retailer 17
-
£717 GBP
View
Retailer 18
-
£773 GBP
$1,030 USD
View
Price last confirmed 11 days ago
B+
Retailer 19
-
£782 GBP
View
B
Retailer 20
-
£791 GBP
$1,053 USD
View
B
Retailer 21
-
£917 GBP
$1,221 USD
View
Most Expensive
Brilliant Earth
11435541A · Oct 13
£1,577 GBP
$2,100 USD
View
Price last confirmed 16 days ago
21 more retailers have this diamond
Prices start from £156 GBPSave up to £760 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
£156 GBP