Oval|Lab Grown|IGI

4.06ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG735516173

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG735516173

Diamond specifications and retailer prices

From $4,382 NZD

$2,461 USD

As of October 29, 2026

Save $21,756 NZD (83%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: $26,138 NZD at Brilliant Earth · As of October 28, 2026

View at Brilliant Earth

About this 4.06ct lab-grown oval diamond

This 4.06ct 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 LG735516173 or 735516173. Listed at 25 retailers as of October 28, 2026, with prices from $4,382 to $26,138, a $21,756 spread on the same certified stone. Brilliant Earth lists it at $26,138. 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

4.06

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.2°

Pavilion angle39.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG735516173

Dimensions9.04 × 9.04 × 5.49 mm

L/W Ratio1.00

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 LG735516173

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: $26,138 NZD|Low: $4,045 NZD|High: $26,138 NZD|Avg: $9,158 NZD|+0.1%

Brilliant Earth

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

October 29, 2026

Retailer 13$4,382 NZD

Retailer 3$4,834 NZD

Retailer 6$4,943 NZD

Retailer 11$6,231 NZD

Retailer 9$6,607 NZD

Retailer 10$6,721 NZD

Retailer 5$6,828 NZD

Retailer 16$8,602 NZD

Retailer 7$8,994 NZD

Retailer 2$9,665 NZD

Retailer 15$9,793 NZD

Retailer 8$10,995 NZD

Retailer 18$11,859 NZD

Retailer 17$12,125 NZD

Retailer 12$12,385 NZD

Retailer 14$12,853 NZD

Retailer 4$15,869 NZD

Brilliant Earth$26,138 NZD

34 data points across 18 retailers

25 retailers$4,382 NZD to $26,138 NZD

Retailer 1

$3,613 NZD

$2,029 USD

Price last confirmed 18 days ago

Retailer 2

$3,613 NZD

$2,029 USD

View

Price last confirmed 36 days ago

Retailer 3

$3,931 NZD

$2,208 USD

View

Price last confirmed 33 days ago

Retailer 4

$4,134 NZD

$2,322 USD

View

Price last confirmed 34 days ago

Retailer 5

$4,191 NZD

$2,354 USD

View

Price last confirmed 18 days ago

Retailer 6

$4,191 NZD

$2,354 USD

View

Price last confirmed 27 days ago

Retailer 7

$4,382 NZD

$2,461 USD

View

Final sale: no returns

Retailer 8

$4,834 NZD

$2,715 USD

View

Retailer 9

$4,943 NZD

$2,776 USD

View

Retailer 10

$5,762 NZD

$3,236 USD

View

Price last confirmed 22 days ago

Retailer 11

$6,231 NZD

£2,756 GBP

View

Retailer 12

$6,721 NZD

$3,775 USD

View

Retailer 13

$6,828 NZD

$3,835 USD

View

Retailer 14

$8,602 NZD

£3,804 GBP

View

Retailer 15

$8,994 NZD

A$7,771 AUD

View

Price last confirmed 7 days ago

Retailer 16

$9,665 NZD

ZAR 87,694 ZAR

View

Retailer 17

$9,793 NZD

$5,500 USD

View

B+

Retailer 18

$10,995 NZD

$6,175 USD

View

Price last confirmed 8 days ago

B+

Retailer 19

$11,730 NZD

$6,588 USD

View

B+

Retailer 20

$11,859 NZD

$6,660 USD

View

B+

Retailer 21

$12,125 NZD

$6,810 USD

View

B+

Retailer 22

$12,385 NZD

£5,477 GBP

View

B+

Retailer 23

$12,853 NZD

$7,219 USD

View

B+

Retailer 24

$15,869 NZD

$8,913 USD

View

Most Expensive

Brilliant Earth

15949045A · Oct 28

$26,138 NZD

$14,680 USD

View

24 more retailers have this diamond

Prices start from $4,382 NZDSave up to $21,756 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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4.06ct Oval

$4,382 NZD