Oval|Lab Grown|IGI

1.58ct F VS1 Oval Lab Grown Diamond

EX • F/VS1 • IGI LG818649584

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818649584

Diamond specifications and retailer prices

From £246 GBP
$330 USD
As of November 1, 2026
Save £1,157 GBP (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,403 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.58ct lab-grown oval diamond

This 1.58ct lab-grown oval 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 LG818649584 or 818649584. Listed at 24 retailers as of October 31, 2026, with prices from £246 to £1,403, a £1,157 spread on the same certified stone. Brilliant Earth lists it at £1,403. 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 angle36.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818649584
Dimensions8.85 × 6.68 × 4.06 mm
L/W Ratio1.32
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.85 mm6.68 mm1.58 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818649584
Side View
Table 60.0%Crown 36.3°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 60.8%

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: Nov 1
Current: £1,403 GBP|Low: £246 GBP|High: £1,478 GBP|Avg: £718 GBP|-5.1%
Brilliant Earth
Retailer 2
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November 1, 2026
Retailer 8£246 GBP
Retailer 9£285 GBP
Retailer 14£305 GBP
Retailer 22£305 GBP
Retailer 20£418 GBP
Retailer 5£440 GBP
Retailer 13£491 GBP
Retailer 7£494 GBP
Retailer 19£524 GBP
Retailer 15£528 GBP
Retailer 2£546 GBP
Retailer 18£711 GBP
Retailer 6£743 GBP
Retailer 17£747 GBP
Retailer 16£752 GBP
Retailer 11£972 GBP
Retailer 4£981 GBP
Retailer 10£1,014 GBP
Retailer 3£1,067 GBP
Retailer 21£1,225 GBP
Retailer 12£1,287 GBP
Brilliant Earth£1,403 GBP

36 data points across 22 retailers

24 retailers£246 GBP to £1,403 GBP

A
Cheapest Retailer
-
£246 GBP
$330 USD
A
Retailer 2
-
£285 GBP
$382 USD
View
A
Retailer 3
-
£305 GBP
$409 USD
View
Retailer 4
-
£305 GBP
$409 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£418 GBP
$560 USD
View
A
Retailer 6
-
£440 GBP
$589 USD
View
A
Retailer 7
-
£491 GBP
€627 EUR
View
A
Retailer 8
-
£494 GBP
$662 USD
View
A
Retailer 9
-
£524 GBP
ZAR 11,348 ZAR
View
B+
Retailer 10
-
£528 GBP
A$1,088 AUD
View
A
Retailer 11
-
£546 GBP
View
B+
Retailer 12
-
£711 GBP
A$1,466 AUD
View
Retailer 13
-
£743 GBP
$995 USD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
£747 GBP
A$1,540 AUD
View
B+
Retailer 15
-
£752 GBP
$1,008 USD
View
Retailer 16
-
£847 GBP
$1,135 USD
View
Price last confirmed 46 days ago
B
Retailer 17
-
£972 GBP
SGD 1,760 SGD
View
B
Retailer 18
-
£981 GBP
$1,314 USD
View
B
Retailer 19
-
£1,014 GBP
$1,358 USD
View
B
Retailer 20
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£1,067 GBP
$1,429 USD
View
B
Retailer 21
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£1,142 GBP
$1,530 USD
View
B
Retailer 22
-
£1,225 GBP
View
B
Retailer 23
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£1,287 GBP
$1,725 USD
View
Most Expensive
B
Brilliant Earth
20968070A · Oct 31
£1,403 GBP
$1,880 USD
View
23 more retailers have this diamond
Prices start from £246 GBPSave up to £1,157 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 Oval
£246 GBP