Oval|Lab Grown|IGI

3.98ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG803686342

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG803686342

Diamond specifications and retailer prices

From £649 GBP

$869 USD

As of October 29, 2026

Save £4,956 GBP (88%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: £5,605 GBP at Do Amore Diamonds · As of October 29, 2026

View at Do Amore Diamonds

About this 3.98ct lab-grown oval diamond

This 3.98ct 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 LG803686342 or 803686342. Listed at 12 retailers as of October 29, 2026, with prices from £649 to £5,605, a £4,956 spread on the same certified stone. Do Amore Diamonds lists it at £5,605. 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

3.98

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.5°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG803686342

Dimensions12.78 × 8.80 × 5.55 mm

L/W Ratio1.45

Girdle conditionFaceted

Culet sizePointed

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 LG803686342

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: Oct 29

Current: £5,605 GBP|Low: £361 GBP|High: £7,150 GBP|Avg: £2,132 GBP

Do Amore Diamonds

Retailer 2

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October 29, 2026

Retailer 4£361 GBP

Retailer 14£649 GBP

Retailer 16£726 GBP

Retailer 3£934 GBP

Retailer 7£1,006 GBP

Retailer 15£1,208 GBP

Retailer 10£1,209 GBP

Retailer 17£1,358 GBP

Retailer 13£1,729 GBP

Retailer 11£1,874 GBP

Retailer 6£1,978 GBP

Retailer 9£1,992 GBP

Retailer 5£2,151 GBP

Retailer 12£2,724 GBP

Retailer 2£2,831 GBP

Do Amore Diamonds£5,605 GBP

Retailer 8£7,150 GBP

26 data points across 17 retailers

12 retailers£649 GBP to £5,605 GBP

Cheapest Retailer

£649 GBP

$869 USD

Retailer 2

£705 GBP

$945 USD

View

Retailer 3

£726 GBP

$973 USD

View

Final sale: no returns

Retailer 4

£1,208 GBP

$1,619 USD

View

B+

Retailer 5

£1,209 GBP

$1,620 USD

View

B+

Retailer 6

£1,358 GBP

$1,820 USD

View

B+

Retailer 7

£1,729 GBP

$2,317 USD

View

Retailer 8

£1,874 GBP

A$3,862 AUD

View

Price last confirmed 9 days ago

Retailer 9

£2,335 GBP

$3,128 USD

View

B+

Retailer 10

£2,724 GBP

$3,650 USD

View

Retailer 11

£2,831 GBP

View

Most Expensive

Do Amore Diamonds

7-1792613 · Oct 29

£5,605 GBP

$7,510 USD

View

11 more retailers have this diamond

Prices start from £649 GBPSave up to £4,956 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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3.98ct Oval

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