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Radiant|Lab Grown|IGI

1.58ct E VS1 Radiant Lab Grown Diamond

VG • E/VS1 • IGI LG693550658

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

Certificate IGI LG693550658

Diamond specifications and retailer prices

From £155 GBP
$207 USD
As of October 27, 2026
Save £986 GBP (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,141 GBP at Brilliant Earth · As of October 29, 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 LG693550658 or 693550658. Listed at 25 retailers as of October 27, 2026, with prices from £155 to £1,141, a £986 spread on the same certified stone. Brilliant Earth lists it at £1,141. 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 angle43.1°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG693550658
Dimensions6.24 × 6.24 × 6.93 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.24 mm6.24 mm1.58 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG693550658
Side View
Table 68.0%Crown 43.1°Girdle: MediumPavilion 36.2°Culet: NoneDepth 68.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £1,141 GBP|Low: £173 GBP|High: £1,352 GBP|Avg: £515 GBP|-15.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 6£173 GBP
Retailer 15£193 GBP
Retailer 7£272 GBP
Retailer 12£312 GBP
Retailer 11£326 GBP
Retailer 2£354 GBP
Retailer 5£387 GBP
Retailer 9£450 GBP
Retailer 4£620 GBP
Retailer 13£622 GBP
Retailer 3£653 GBP
Retailer 8£703 GBP
Retailer 10£773 GBP
Retailer 14£773 GBP
Brilliant Earth£1,141 GBP

42 data points across 15 retailers

25 retailers£155 GBP to £1,141 GBP

A
Cheapest Retailer
-
£155 GBP
$207 USD
A
Retailer 2
-
£173 GBP
$231 USD
View
Final sale: no returns
A
Retailer 3
-
£180 GBP
$240 USD
View
A
Retailer 4
-
£193 GBP
$257 USD
View
A
Retailer 5
-
£193 GBP
$257 USD
View
A
Retailer 6
-
£221 GBP
HK$2,300 HKD
View
B+
Retailer 7
-
£272 GBP
$362 USD
View
A
Retailer 8
-
£312 GBP
€396 EUR
View
A
Retailer 9
-
£326 GBP
ZAR 7,008 ZAR
View
A
Retailer 10
-
£354 GBP
View
A
Retailer 11
-
£387 GBP
$515 USD
View
B+
Retailer 12
-
£409 GBP
$545 USD
View
A
Retailer 13
-
£450 GBP
A$922 AUD
View
B+
Retailer 14
-
£620 GBP
$825 USD
View
B+
Retailer 15
-
£622 GBP
$828 USD
View
B+
Retailer 16
-
£628 GBP
SGD 1,131 SGD
View
B
Retailer 17
-
£653 GBP
$870 USD
View
B
Retailer 18
-
£659 GBP
$878 USD
View
B+
Retailer 19
-
£703 GBP
A$1,441 AUD
View
B
Retailer 20
-
£755 GBP
View
B
Retailer 21
-
£773 GBP
View
Retailer 22
-
£773 GBP
$1,030 USD
View
Price last confirmed 11 days ago
B
Retailer 23
-
£784 GBP
$1,044 USD
View
B
Retailer 24
-
£913 GBP
$1,216 USD
View
Most Expensive
B
Brilliant Earth
17805140A · Oct 29
£1,141 GBP
$1,520 USD
View
24 more retailers have this diamond
Prices start from £155 GBPSave up to £986 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
£155 GBP