Oval|Lab Grown|IGI

4.71ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG728540075

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG728540075

Diamond specifications and retailer prices

From $5,895 NZD

£2,607 GBP

As of October 30, 2026

Save $24,659 NZD (81%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $30,553 NZD at Brilliant Earth · As of October 26, 2026

View at Brilliant Earth

About this 4.71ct lab-grown oval diamond

This 4.71ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG728540075 or 728540075. Listed at 26 retailers as of October 26, 2026, with prices from $5,895 to $30,553, a $24,659 spread on the same certified stone. Brilliant Earth lists it at $30,553. 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

4.71

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.7°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG728540075

Dimensions13.02 × 9.25 × 6.06 mm

L/W Ratio1.41

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG728540075

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: $23,520 NZD|Low: $5,875 NZD|High: $30,553 NZD|Avg: $12,986 NZD|-23.0%

Brilliant Earth

Retailer 2

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October 30, 2026

Retailer 2$5,895 NZD

Retailer 9$6,082 NZD

Retailer 12$6,618 NZD

Retailer 20$6,842 NZD

Retailer 11$6,942 NZD

Retailer 10$7,056 NZD

Retailer 3$7,336 NZD

Retailer 5$8,746 NZD

Retailer 8$8,817 NZD

Retailer 13$9,418 NZD

Retailer 17$10,152 NZD

Retailer 19$10,774 NZD

Retailer 15$10,800 NZD

Retailer 6$12,431 NZD

Retailer 4$14,137 NZD

Retailer 16$15,016 NZD

Retailer 21$15,247 NZD

Retailer 22$17,054 NZD

Retailer 18$17,909 NZD

Brilliant Earth$23,520 NZD

Retailer 14$24,783 NZD

Retailer 7$26,157 NZD

26 data points across 22 retailers

26 retailers$5,895 NZD to $30,553 NZD

Cheapest Retailer

$5,895 NZD

£2,607 GBP

Retailer 2

$6,082 NZD

$3,416 USD

View

Retailer 3

$6,618 NZD

$3,717 USD

View

Retailer 4

$6,842 NZD

$3,843 USD

View

Final sale: no returns

Retailer 5

$6,942 NZD

$3,899 USD

View

Retailer 6

$7,056 NZD

$3,963 USD

View

Retailer 7

$7,336 NZD

$4,120 USD

View

Retailer 8

$8,746 NZD

$4,912 USD

View

Retailer 9

$8,817 NZD

$4,952 USD

View

Retailer 10

$9,118 NZD

$5,121 USD

View

Price last confirmed 16 days ago

Retailer 11

$9,418 NZD

£4,165 GBP

View

Retailer 12

$10,152 NZD

$5,702 USD

View

Retailer 13

$10,774 NZD

€5,763 EUR

View

Retailer 14

$10,800 NZD

£4,776 GBP

View

Retailer 15

$11,677 NZD

$6,558 USD

View

Price last confirmed 17 days ago

B+

Retailer 16

$12,431 NZD

$6,982 USD

View

Retailer 17

$14,137 NZD

$7,940 USD

View

Price last confirmed 9 days ago

B+

Retailer 18

$15,016 NZD

ZAR 136,243 ZAR

View

Retailer 19

$15,247 NZD

A$13,174 AUD

View

Price last confirmed 7 days ago

B+

Retailer 20

$17,054 NZD

$9,578 USD

View

B+

Retailer 21

$17,909 NZD

£7,920 GBP

View

Retailer 22

$23,520 NZD

$13,210 USD

View

Retailer 23

$24,783 NZD

$13,919 USD

View

Retailer 24

$26,157 NZD

$14,691 USD

View

Retailer 25

$26,645 NZD

A$23,023 AUD

View

Price last confirmed 118 days ago

Most Expensive

Brilliant Earth

15530993A · Oct 26

$30,553 NZD

$17,160 USD

View

25 more retailers have this diamond

Prices start from $5,895 NZDSave up to $24,659 NZD

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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4.71ct Oval

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