Oval|Lab Grown|IGI

4.17ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG678573375

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678573375

Diamond specifications and retailer prices

From £2,481 GBP

$3,324 USD

As of October 29, 2026

Save £16,461 GBP (87%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: £18,942 GBP at Do Amore Diamonds · As of October 31, 2026

View at Do Amore Diamonds

About this 4.17ct lab-grown oval diamond

This 4.17ct 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 LG678573375 or 678573375. Listed at 25 retailers as of October 29, 2026, with prices from £2,481 to £18,942, a £16,461 spread on the same certified stone. Do Amore Diamonds lists it at £18,942. 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

4.17

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.5°

Pavilion angle40.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG678573375

Dimensions12.71 × 9.08 × 5.71 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 LG678573375

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: £6,805 GBP|Low: £2,382 GBP|High: £15,270 GBP|Avg: £5,600 GBP

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

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Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

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Retailer 16

November 1, 2026

Retailer 2£2,481 GBP

Retailer 10£2,646 GBP

Retailer 3£2,878 GBP

Retailer 6£2,878 GBP

Retailer 8£2,880 GBP

Retailer 16£2,997 GBP

Retailer 15£3,970 GBP

Retailer 11£4,118 GBP

Retailer 5£4,468 GBP

Retailer 12£5,018 GBP

Retailer 14£6,761 GBP

Retailer 1£6,805 GBP

Retailer 9£6,880 GBP

Retailer 4£7,242 GBP

Retailer 7£10,952 GBP

Retailer 13£11,553 GBP

41 data points across 16 retailers

25 retailers£2,481 GBP to £18,942 GBP

Cheapest Retailer

£2,481 GBP

$3,324 USD

Retailer 2

£2,646 GBP

View

Retailer 3

£2,699 GBP

$3,617 USD

View

Retailer 4

£2,779 GBP

$3,723 USD

View

Final sale: no returns

Retailer 5

£2,878 GBP

$3,856 USD

View

Price last confirmed 19 days ago

Retailer 6

£2,878 GBP

$3,856 USD

View

Retailer 7

£2,880 GBP

$3,859 USD

View

Retailer 8

£2,997 GBP

$4,015 USD

View

Retailer 9

£3,257 GBP

$4,364 USD

View

Retailer 10

£3,970 GBP

$5,319 USD

View

Retailer 11

£3,970 GBP

$5,319 USD

View

Retailer 12

£4,118 GBP

View

B+

Retailer 13

£4,468 GBP

$5,986 USD

View

B+

Retailer 14

£4,879 GBP

View

B+

Retailer 15

£5,018 GBP

€6,403 EUR

View

B+

Retailer 16

£6,761 GBP

ZAR 146,349 ZAR

View

B+

Retailer 17

£6,805 GBP

View

Retailer 18

£6,880 GBP

A$14,182 AUD

View

B+

Retailer 19

£7,242 GBP

$9,704 USD

View

Retailer 20

£7,610 GBP

$10,197 USD

View

Retailer 21

£10,952 GBP

SGD 19,830 SGD

View

Retailer 22

£11,212 GBP

$15,023 USD

View

Retailer 23

£11,553 GBP

$15,480 USD

View

Retailer 24

£17,069 GBP

$22,870 USD

View

Most Expensive

Do Amore Diamonds

23-678573375 · Oct 31

£18,942 GBP

$25,380 USD

View

24 more retailers have this diamond

Prices start from £2,481 GBPSave up to £16,461 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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