Oval|Lab Grown|IGI

4.58ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG812620290

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG812620290

Diamond specifications and retailer prices

From $7,209 NZD

$4,049 USD

As of October 29, 2026

Save $19,125 NZD (73%) vs most expensive(unlock to see where)

23 retailers carry this diamond

Most expensive: $26,334 NZD at Taylor and Hart · As of October 30, 2026

View at Taylor and Hart

About this 4.58ct lab-grown oval diamond

This 4.58ct 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 LG812620290 or 812620290. Listed at 23 retailers as of October 29, 2026, with prices from $7,209 to $26,334, a $19,125 spread on the same certified stone. Taylor and Hart lists it at $26,334. 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

4.58

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.4°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG812620290

Dimensions13.42 × 9.22 × 5.84 mm

L/W Ratio1.46

Girdle conditionFaceted

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 LG812620290

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: $9,753 NZD|Low: $5,466 NZD|High: $26,334 NZD|Avg: $12,546 NZD|+10.8%

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

Retailer 16

Retailer 17

Retailer 18

Retailer 19

Taylor and Hart

October 30, 2026

Retailer 9$5,694 NZD

Retailer 10$6,606 NZD

Retailer 11$6,606 NZD

Retailer 19$7,209 NZD

Retailer 3$7,745 NZD

Retailer 8$9,296 NZD

Retailer 1$9,753 NZD

Retailer 7$10,496 NZD

Retailer 4$11,342 NZD

Retailer 16$11,451 NZD

Retailer 15$11,995 NZD

Retailer 6$13,140 NZD

Retailer 5$14,217 NZD

Retailer 12$15,895 NZD

Retailer 13$16,084 NZD

Retailer 17$17,928 NZD

Retailer 2$19,806 NZD

Retailer 14$20,732 NZD

Retailer 18$21,330 NZD

Taylor and Hart$26,334 NZD

37 data points across 20 retailers

23 retailers$7,209 NZD to $26,334 NZD

Retailer 1

$5,694 NZD

$3,198 USD

Price last confirmed 19 days ago

Retailer 2

$5,694 NZD

$3,198 USD

View

Price last confirmed 36 days ago

Retailer 3

$6,194 NZD

$3,479 USD

View

Price last confirmed 34 days ago

Retailer 4

$6,513 NZD

$3,658 USD

View

Price last confirmed 35 days ago

Retailer 5

$6,606 NZD

$3,710 USD

View

Price last confirmed 27 days ago

Retailer 6

$6,606 NZD

$3,710 USD

View

Price last confirmed 19 days ago

Retailer 7

$7,209 NZD

$4,049 USD

View

Final sale: no returns

Retailer 8

$7,745 NZD

$4,350 USD

View

Retailer 9

$8,253 NZD

$4,635 USD

View

Price last confirmed 22 days ago

Retailer 10

$9,296 NZD

$5,221 USD

View

Retailer 11

$9,753 NZD

£4,313 GBP

View

B+

Retailer 12

$11,342 NZD

$6,370 USD

View

B+

Retailer 13

$11,451 NZD

£5,064 GBP

View

B+

Retailer 14

$11,995 NZD

$6,737 USD

View

Retailer 15

$13,140 NZD

$7,380 USD

View

Price last confirmed 9 days ago

Retailer 16

$14,217 NZD

A$12,284 AUD

View

Price last confirmed 7 days ago

B+

Retailer 17

$15,895 NZD

ZAR 144,217 ZAR

View

B+

Retailer 18

$16,084 NZD

£7,113 GBP

View

Retailer 19

$17,928 NZD

$10,069 USD

View

Retailer 20

$19,806 NZD

$11,124 USD

View

Retailer 21

$20,732 NZD

$11,644 USD

View

Retailer 22

$21,330 NZD

$11,980 USD

View

Most Expensive

Taylor and Hart

BB8J7OA · Oct 30

$26,334 NZD

$14,790 USD

View

22 more retailers have this diamond

Prices start from $7,209 NZDSave up to $19,125 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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4.58ct Oval

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