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Oval|Lab Grown|IGI

1.58ct F IF Oval Lab Grown Diamond

ID • F/IF • IGI LG782618472

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG782618472

Diamond specifications and retailer prices

From £307 GBP
$412 USD
As of November 1, 2026
Save £2,073 GBP (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,381 GBP at Brilliant Earth · As of November 2, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG782618472 or 782618472. Listed at 23 retailers as of November 1, 2026, with prices from £307 to £2,381, a £2,073 spread on the same certified stone. Brilliant Earth lists it at £2,381. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782618472
Dimensions9.32 × 6.54 × 4.12 mm
L/W Ratio1.43
Girdle conditionFaceted
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
9.32 mm6.54 mm1.58 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782618472
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

Caratlytics Score

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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: Nov 1
Current: £2,381 GBP|Low: £298 GBP|High: £2,388 GBP|Avg: £874 GBP|-0.3%
Brilliant Earth
Retailer 2
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Retailer 22
November 2, 2026
Retailer 6£307 GBP
Retailer 21£345 GBP
Retailer 9£381 GBP
Retailer 12£384 GBP
Retailer 15£420 GBP
Retailer 8£489 GBP
Retailer 3£511 GBP
Retailer 22£563 GBP
Retailer 11£615 GBP
Retailer 16£628 GBP
Retailer 19£643 GBP
Retailer 13£658 GBP
Retailer 4£842 GBP
Retailer 7£889 GBP
Retailer 2£927 GBP
Retailer 10£1,211 GBP
Retailer 20£1,227 GBP
Retailer 14£1,227 GBP
Retailer 5£1,252 GBP
Retailer 18£1,428 GBP
Retailer 17£1,491 GBP
Brilliant Earth£2,381 GBP

37 data points across 22 retailers

23 retailers£307 GBP to £2,381 GBP

A
Cheapest Retailer
-
£307 GBP
$412 USD
A
Retailer 2
-
£345 GBP
$462 USD
View
A
Retailer 3
-
£381 GBP
$511 USD
View
Retailer 4
-
£384 GBP
$515 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£420 GBP
HK$4,400 HKD
View
A
Retailer 6
-
£489 GBP
$655 USD
View
A
Retailer 7
-
£511 GBP
$685 USD
View
A
Retailer 8
-
£563 GBP
$755 USD
View
A
Retailer 9
-
£615 GBP
A$1,268 AUD
View
A
Retailer 10
-
£628 GBP
View
A
Retailer 11
-
£643 GBP
€821 EUR
View
A
Retailer 12
-
£658 GBP
ZAR 14,244 ZAR
View
B+
Retailer 13
-
£842 GBP
$1,128 USD
View
B+
Retailer 14
-
£889 GBP
A$1,832 AUD
View
B+
Retailer 15
-
£927 GBP
$1,242 USD
View
B+
Retailer 16
-
£1,211 GBP
SGD 2,192 SGD
View
B+
Retailer 17
-
£1,227 GBP
$1,644 USD
View
Retailer 18
-
£1,227 GBP
A$2,530 AUD
View
Price last confirmed 25 days ago
B+
Retailer 19
-
£1,252 GBP
$1,678 USD
View
B+
Retailer 20
-
£1,428 GBP
$1,914 USD
View
B
Retailer 21
-
£1,491 GBP
View
Retailer 22
-
£1,676 GBP
$2,246 USD
View
Price last confirmed 63 days ago
Most Expensive
B
Brilliant Earth
18530597A · Nov 2
£2,381 GBP
$3,190 USD
View
22 more retailers have this diamond
Prices start from £307 GBPSave up to £2,073 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
£307 GBP