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 $1,775 AUD

As of October 31, 2026

10 retailers carry this diamond

Most expensive: $4,826 AUD 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: $4,826 AUD|Low: $578 AUD|High: $4,968 AUD|Avg: $1,862 AUD|-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$578 AUD

Retailer 15$672 AUD

Retailer 7$722 AUD

Retailer 8$789 AUD

Retailer 6$799 AUD

Retailer 12$954 AUD

Retailer 10$1,071 AUD

Retailer 16$1,226 AUD

Retailer 4$1,230 AUD

Retailer 11$1,275 AUD

Retailer 18$1,646 AUD

Retailer 2$1,775 AUD

Retailer 3$1,936 AUD

Retailer 13$2,445 AUD

Retailer 5$2,570 AUD

Retailer 14$2,764 AUD

Retailer 9$3,489 AUD

Brilliant Earth$4,826 AUD

20 data points across 18 retailers

10 retailers

Retailer 1

$578 AUD

$406 USD

Price last confirmed 23 days ago

Retailer 2

$722 AUD

$507 USD

View

Price last confirmed 35 days ago

Retailer 3

$789 AUD

$554 USD

View

Price last confirmed 32 days ago

Retailer 4

$1,646 AUD

$1,156 USD

View

Price last confirmed 24 days ago

B+

Retailer 5

$1,775 AUD

View

Retailer 6

$2,445 AUD

$1,717 USD

View

Price last confirmed 23 days ago

Retailer 7

$2,570 AUD

$1,805 USD

View

Price last confirmed 33 days ago

Retailer 8

$2,764 AUD

£1,529 GBP

View

Price last confirmed 23 days ago

Retailer 9

$3,489 AUD

$2,451 USD

View

Price last confirmed 38 days ago

Most Expensive

Brilliant Earth

20879826A · Oct 4

$4,826 AUD

$3,390 USD

View

Price last confirmed 27 days ago

9 more retailers have this diamond

Prices start from $1,775 AUD

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.

Similar diamonds

B+

4.02ct Oval

$1,775 AUD