Oval|Lab Grown|IGI

3.98ct D VS1 Oval Lab Grown Diamond

EX • D/VS1 • IGI LG807691796

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG807691796

Diamond specifications and retailer prices

From £1,228 GBP

$1,645 USD

As of October 30, 2026

Save £2,456 GBP (67%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £4,493 GBP at Queensmith · As of October 16, 2026

View at Queensmith

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 LG807691796 or 807691796. Listed at 16 retailers as of October 25, 2026, with a 200% 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

3.98

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.8°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG807691796

Dimensions13.02 × 8.94 × 5.44 mm

L/W Ratio1.46

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG807691796

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 30

Current: £1,399 GBP|Low: £1,053 GBP|High: £3,684 GBP|Avg: £2,229 GBP|-0.3%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

October 31, 2026

Retailer 5£1,097 GBP

Retailer 3£1,196 GBP

Retailer 9£1,228 GBP

Retailer 4£1,272 GBP

Retailer 1£1,399 GBP

Retailer 12£1,807 GBP

Retailer 14£2,029 GBP

Retailer 8£2,309 GBP

Retailer 6£2,385 GBP

Retailer 7£2,391 GBP

Retailer 2£2,883 GBP

Retailer 10£2,959 GBP

Retailer 11£3,071 GBP

Retailer 13£3,430 GBP

Retailer 15£3,683 GBP

32 data points across 15 retailers

16 retailers£1,228 GBP to £3,683 GBP

Retailer 1

£1,097 GBP

$1,470 USD

Price last confirmed 10 days ago

Retailer 2

£1,196 GBP

$1,603 USD

View

Price last confirmed 10 days ago

Retailer 3

£1,228 GBP

$1,645 USD

View

Final sale: no returns

Retailer 4

£1,272 GBP

$1,705 USD

View

Price last confirmed 9 days ago

B+

Retailer 5

£1,399 GBP

$1,875 USD

View

B+

Retailer 6

£1,807 GBP

$2,421 USD

View

B+

Retailer 7

£2,029 GBP

$2,719 USD

View

B+

Retailer 8

£2,309 GBP

$3,094 USD

View

Retailer 9

£2,385 GBP

$3,195 USD

View

Price last confirmed 9 days ago

Retailer 10

£2,391 GBP

A$4,928 AUD

View

Price last confirmed 22 days ago

Retailer 11

£2,883 GBP

A$5,942 AUD

View

Price last confirmed 9 days ago

Retailer 12

£2,959 GBP

ZAR 64,041 ZAR

View

Retailer 13

£3,071 GBP

View

Retailer 14

£3,430 GBP

$4,596 USD

View

Retailer 15

£3,683 GBP

View

Most Expensive

Queensmith

LG807691796 · Oct 16

£4,493 GBP

View

Price last confirmed 14 days ago

15 more retailers have this diamond

Prices start from £1,228 GBPSave up to £2,456 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.

Similar diamonds

3.98ct Oval

£1,228 GBP