Oval|Lab Grown|IGI

4.18ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG692544251

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG692544251

Diamond specifications and retailer prices

From £2,487 GBP

$3,332 USD

As of October 29, 2026

Save £16,500 GBP (87%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: £18,987 GBP at Do Amore Diamonds · As of October 31, 2026

View at Do Amore Diamonds

About this 4.18ct lab-grown oval diamond

This 4.18ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG692544251 or 692544251. Listed at 24 retailers as of October 29, 2026, with prices from £2,487 to £18,987, a £16,500 spread on the same certified stone. Do Amore Diamonds lists it at £18,987. 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

4.18

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.3°

Pavilion angle40.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG692544251

Dimensions12.87 × 9.17 × 5.64 mm

L/W Ratio1.40

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 LG692544251

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: £6,896 GBP|Low: £2,388 GBP|High: £15,307 GBP|Avg: £5,137 GBP|-0.2%

Retailer 1

Retailer 2

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Retailer 4

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Retailer 12

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Retailer 19

November 1, 2026

Retailer 2£2,487 GBP

Retailer 6£2,705 GBP

Retailer 9£2,785 GBP

Retailer 3£2,885 GBP

Retailer 8£2,886 GBP

Retailer 19£3,000 GBP

Retailer 11£3,272 GBP

Retailer 5£3,979 GBP

Retailer 18£3,979 GBP

Retailer 12£4,128 GBP

Retailer 4£4,477 GBP

Retailer 10£4,891 GBP

Retailer 13£5,031 GBP

Retailer 15£6,776 GBP

Retailer 16£6,857 GBP

Retailer 1£6,896 GBP

Retailer 17£7,260 GBP

Retailer 7£10,978 GBP

Retailer 14£11,583 GBP

43 data points across 19 retailers

24 retailers£2,487 GBP to £18,987 GBP

Cheapest Retailer

£2,487 GBP

$3,332 USD

Retailer 2

£2,705 GBP

$3,625 USD

View

Retailer 3

£2,785 GBP

$3,731 USD

View

Final sale: no returns

Retailer 4

£2,885 GBP

$3,865 USD

View

Retailer 5

£2,885 GBP

$3,865 USD

View

Price last confirmed 19 days ago

Retailer 6

£2,886 GBP

$3,867 USD

View

Retailer 7

£3,000 GBP

$4,020 USD

View

Retailer 8

£3,272 GBP

$4,384 USD

View

Retailer 9

£3,979 GBP

$5,331 USD

View

Retailer 10

£3,979 GBP

$5,331 USD

View

Retailer 11

£4,128 GBP

View

B+

Retailer 12

£4,477 GBP

$5,999 USD

View

B+

Retailer 13

£4,891 GBP

View

B+

Retailer 14

£5,031 GBP

€6,420 EUR

View

Retailer 15

£5,089 GBP

$6,818 USD

View

Price last confirmed 83 days ago

B+

Retailer 16

£6,776 GBP

ZAR 146,681 ZAR

View

B+

Retailer 17

£6,857 GBP

View

B+

Retailer 18

£6,896 GBP

A$14,216 AUD

View

B+

Retailer 19

£7,260 GBP

$9,727 USD

View

Retailer 20

£10,978 GBP

SGD 19,877 SGD

View

Retailer 21

£11,239 GBP

$15,059 USD

View

Retailer 22

£11,583 GBP

$15,520 USD

View

Retailer 23

£17,106 GBP

$22,920 USD

View

Most Expensive

Do Amore Diamonds

23-692544251 · Oct 31

£18,987 GBP

$25,440 USD

View

23 more retailers have this diamond

Prices start from £2,487 GBPSave up to £16,500 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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4.18ct Oval

£2,487 GBP