Oval|Lab Grown|IGI

4.02ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG819657734

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG819657734

Diamond specifications and retailer prices

From $2,212 NZD

A$1,918 AUD

As of October 31, 2026

10 retailers carry this diamond

Most expensive: $6,015 NZD at Brilliant Earth · As of October 4, 2026

View at Brilliant Earth

About this 4.02ct lab-grown oval diamond

This 4.02ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG819657734 or 819657734. Listed at 10 retailers as of October 31, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.02

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.1°

Pavilion angle39.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG819657734

Dimensions12.79 × 8.96 × 5.51 mm

L/W Ratio1.43

Girdle conditionFaceted

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG819657734

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31

Current: $6,015 NZD|Low: $720 NZD|High: $6,192 NZD|Avg: $2,321 NZD|-2.9%

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 17$720 NZD

Retailer 15$837 NZD

Retailer 7$900 NZD

Retailer 8$983 NZD

Retailer 6$995 NZD

Retailer 12$1,189 NZD

Retailer 10$1,334 NZD

Retailer 16$1,528 NZD

Retailer 4$1,533 NZD

Retailer 11$1,589 NZD

Retailer 18$2,051 NZD

Retailer 2$2,212 NZD

Retailer 3$2,413 NZD

Retailer 13$3,047 NZD

Retailer 5$3,203 NZD

Retailer 14$3,445 NZD

Retailer 9$4,349 NZD

Brilliant Earth$6,015 NZD

20 data points across 18 retailers

10 retailers

Retailer 1

$720 NZD

$406 USD

Price last confirmed 23 days ago

Retailer 2

$900 NZD

$507 USD

View

Price last confirmed 35 days ago

Retailer 3

$983 NZD

$554 USD

View

Price last confirmed 31 days ago

Retailer 4

$2,051 NZD

$1,156 USD

View

Price last confirmed 24 days ago

B+

Retailer 5

$2,212 NZD

A$1,918 AUD

View

Retailer 6

$3,047 NZD

$1,717 USD

View

Price last confirmed 23 days ago

Retailer 7

$3,203 NZD

$1,805 USD

View

Price last confirmed 33 days ago

Retailer 8

$3,445 NZD

£1,529 GBP

View

Price last confirmed 23 days ago

Retailer 9

$4,349 NZD

$2,451 USD

View

Price last confirmed 38 days ago

Most Expensive

Brilliant Earth

20879826A · Oct 4

$6,015 NZD

$3,390 USD

View

Price last confirmed 27 days ago

9 more retailers have this diamond

Prices start from $2,212 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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B+

4.02ct Oval

$2,212 NZD