Oval|Lab Grown|IGI

4.55ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG839645318

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839645318

Diamond specifications and retailer prices

From £755 GBP

As of November 2, 2026

Save £6,628 GBP (90%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £8,160 GBP at Brilliant Earth · As of October 1, 2026

View at Brilliant Earth

About this 4.55ct lab-grown oval diamond

This 4.55ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839645318 or 839645318. Listed at 18 retailers as of November 2, 2026, with a 877% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.55

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.2°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG839645318

Dimensions13.30 × 9.36 × 5.89 mm

L/W Ratio1.42

Girdle conditionFaceted

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG839645318

Side View

Caratlytics Score

How it works →

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 2

Current: £6,416 GBP|Low: £670 GBP|High: £8,160 GBP|Avg: £2,815 GBP|-21.4%

Brilliant Earth

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November 2, 2026

Retailer 11£736 GBP

Retailer 2£755 GBP

Retailer 4£801 GBP

Retailer 12£1,086 GBP

Retailer 7£1,157 GBP

Retailer 19£1,458 GBP

Retailer 18£1,499 GBP

Retailer 6£1,653 GBP

Retailer 21£1,700 GBP

Retailer 14£2,413 GBP

Retailer 10£2,556 GBP

Retailer 16£2,692 GBP

Retailer 13£2,861 GBP

Retailer 20£2,904 GBP

Retailer 5£3,368 GBP

Retailer 15£4,110 GBP

Retailer 17£4,861 GBP

Retailer 3£5,120 GBP

Retailer 8£5,507 GBP

Brilliant Earth£6,416 GBP

Retailer 9£7,383 GBP

25 data points across 21 retailers

18 retailers£755 GBP to £7,383 GBP

Cheapest Retailer

£755 GBP

Retailer 2

£801 GBP

$1,075 USD

View

Retailer 3

£1,157 GBP

$1,553 USD

View

B+

Retailer 4

£1,458 GBP

€1,864 EUR

View

Retailer 5

£1,499 GBP

$2,012 USD

View

B+

Retailer 6

£1,653 GBP

$2,218 USD

View

B+

Retailer 7

£1,700 GBP

A$3,510 AUD

View

B+

Retailer 8

£2,692 GBP

View

Retailer 9

£2,861 GBP

$3,839 USD

View

Retailer 10

£2,904 GBP

A$5,995 AUD

View

Retailer 11

£3,368 GBP

SGD 6,107 SGD

View

Retailer 12

£4,110 GBP

$5,515 USD

View

Retailer 13

£4,861 GBP

$6,523 USD

View

Retailer 14

£5,120 GBP

$6,871 USD

View

Retailer 15

£5,507 GBP

$7,390 USD

View

Retailer 16

£6,416 GBP

$8,610 USD

View

Retailer 17

£7,383 GBP

$9,908 USD

View

Most Expensive

Brilliant Earth

21578977A · Oct 1

£8,160 GBP

$10,950 USD

View

Price under review

17 more retailers have this diamond

Prices start from £755 GBPSave up to £6,628 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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