Oval|Lab Grown|IGI

4.58ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG790683478

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG790683478

Diamond specifications and retailer prices

From £2,910 GBP

$3,905 USD

As of November 1, 2026

Save £17,113 GBP (85%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: £20,023 GBP at Do Amore Diamonds · As of November 2, 2026

View at Do Amore Diamonds

About this 4.58ct lab-grown oval diamond

This 4.58ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790683478 or 790683478. Listed at 24 retailers as of November 1, 2026, with prices from £2,910 to £20,023, a £17,113 spread on the same certified stone. Do Amore Diamonds lists it at £20,023. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.58

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.6°

Pavilion angle39.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG790683478

Dimensions13.26 × 9.34 × 5.87 mm

L/W Ratio1.42

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

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG790683478

Side View

Caratlytics Score

How it works →

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: £20,023 GBP|Low: £2,910 GBP|High: £20,023 GBP|Avg: £7,086 GBP

Do Amore Diamonds

Retailer 2

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November 3, 2026

Retailer 4£2,910 GBP

Retailer 14£3,049 GBP

Retailer 9£3,229 GBP

Retailer 10£3,258 GBP

Retailer 6£3,376 GBP

Retailer 19£3,420 GBP

Retailer 21£4,350 GBP

Retailer 22£4,464 GBP

Retailer 20£4,477 GBP

Retailer 3£4,656 GBP

Retailer 2£4,827 GBP

Retailer 18£5,029 GBP

Retailer 7£5,247 GBP

Retailer 8£6,017 GBP

Retailer 13£7,715 GBP

Retailer 17£7,930 GBP

Retailer 5£8,560 GBP

Retailer 11£9,292 GBP

Retailer 16£10,351 GBP

Retailer 12£12,933 GBP

Retailer 15£13,277 GBP

Do Amore Diamonds£20,023 GBP

41 data points across 22 retailers

24 retailers£2,910 GBP to £20,023 GBP

Cheapest Retailer

£2,910 GBP

$3,905 USD

Retailer 2

£3,049 GBP

$4,092 USD

View

Retailer 3

£3,229 GBP

$4,333 USD

View

Retailer 4

£3,258 GBP

$4,372 USD

View

Final sale: no returns

Retailer 5

£3,376 GBP

$4,530 USD

View

Retailer 6

£3,420 GBP

$4,590 USD

View

Retailer 7

£4,219 GBP

$5,662 USD

View

Price last confirmed 21 days ago

Retailer 8

£4,350 GBP

$5,838 USD

View

Retailer 9

£4,464 GBP

HK$46,800 HKD

View

Retailer 10

£4,477 GBP

$6,008 USD

View

Retailer 11

£4,656 GBP

$6,248 USD

View

Retailer 12

£4,827 GBP

View

Retailer 13

£5,029 GBP

$6,748 USD

View

Retailer 14

£5,247 GBP

View

Retailer 15

£6,017 GBP

$8,075 USD

View

Price last confirmed 19 days ago

B+

Retailer 16

£6,582 GBP

$8,832 USD

View

B+

Retailer 17

£7,715 GBP

View

B+

Retailer 18

£7,930 GBP

ZAR 171,912 ZAR

View

Retailer 19

£8,560 GBP

$11,487 USD

View

Price last confirmed 7 days ago

Retailer 20

£9,292 GBP

$12,470 USD

View

Retailer 21

£10,351 GBP

$13,890 USD

View

Retailer 22

£12,933 GBP

SGD 23,454 SGD

View

Retailer 23

£13,277 GBP

$17,816 USD

View

Most Expensive

Do Amore Diamonds

27-76BC8F8AF · Nov 2

£20,023 GBP

$26,870 USD

View

23 more retailers have this diamond

Prices start from £2,910 GBPSave up to £17,113 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.

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