Radiant|Lab Grown|IGI

1.58ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG842607593

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

Certificate IGI LG842607593

Diamond specifications and retailer prices

From £161 GBP
$216 USD
As of October 27, 2026
Save £1,128 GBP (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,587 GBP at Brilliant Earth · As of October 18, 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 LG842607593 or 842607593. Listed at 24 retailers as of October 27, 2026, with a 701% 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
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842607593
Dimensions8.33 × 5.96 × 3.74 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.33 mm5.96 mm1.58 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842607593
Side View
Table 63.0%Crown 32.5°Girdle: MED-STKPavilion 32.9°Culet: NoneDepth 62.8%

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: Oct 27
Current: £1,289 GBP|Low: £161 GBP|High: £1,289 GBP|Avg: £453 GBP
Brilliant Earth
Retailer 2
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October 31, 2026
Retailer 16£161 GBP
Retailer 11£180 GBP
Retailer 3£187 GBP
Retailer 7£200 GBP
Retailer 15£200 GBP
Retailer 9£219 GBP
Retailer 19£234 GBP
Retailer 24£337 GBP
Retailer 6£342 GBP
Retailer 2£362 GBP
Retailer 20£368 GBP
Retailer 10£391 GBP
Retailer 5£410 GBP
Retailer 18£466 GBP
Retailer 17£642 GBP
Retailer 21£644 GBP
Retailer 14£646 GBP
Retailer 22£671 GBP
Retailer 13£677 GBP
Retailer 12£681 GBP
Retailer 4£753 GBP
Retailer 23£801 GBP
Retailer 8£927 GBP
Brilliant Earth£1,289 GBP

17 data points across 24 retailers

24 retailers£161 GBP to £1,289 GBP

A
Cheapest Retailer
-
£161 GBP
$216 USD
Retailer 2
-
£187 GBP
$251 USD
View
Price last confirmed 9 days ago
Retailer 3
-
£200 GBP
$268 USD
View
Price last confirmed 8 days ago
Retailer 4
-
£200 GBP
$268 USD
View
Price last confirmed 7 days ago
Retailer 5
-
£219 GBP
HK$2,300 HKD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£234 GBP
View
Retailer 7
-
£337 GBP
ZAR 7,315 ZAR
View
Price last confirmed 10 days ago
Retailer 8
-
£342 GBP
$459 USD
View
Price last confirmed 8 days ago
A
Retailer 9
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£362 GBP
€463 EUR
View
A
Retailer 10
-
£368 GBP
View
Retailer 11
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£391 GBP
$525 USD
View
Price last confirmed 7 days ago
A
Retailer 12
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£410 GBP
$550 USD
View
A
Retailer 13
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£466 GBP
A$962 AUD
View
Retailer 14
-
£642 GBP
$861 USD
View
Price last confirmed 8 days ago
Retailer 15
-
£644 GBP
$864 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
£646 GBP
SGD 1,171 SGD
View
Retailer 17
-
£671 GBP
A$1,386 AUD
View
Price last confirmed 8 days ago
B+
Retailer 18
-
£677 GBP
$908 USD
View
B+
Retailer 19
-
£681 GBP
$914 USD
View
Retailer 20
-
£753 GBP
$1,010 USD
View
Price last confirmed 14 days ago
B+
Retailer 21
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£801 GBP
View
Retailer 22
-
£927 GBP
$1,245 USD
View
Price last confirmed 8 days ago
B
Retailer 23
-
£1,289 GBP
$1,730 USD
View
Most Expensive
Brilliant Earth
20613255A · Oct 18
£1,587 GBP
$2,130 USD
View
Price last confirmed 14 days ago
23 more retailers have this diamond
Prices start from £161 GBPSave up to £1,128 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
£161 GBP