Oval|Lab Grown|IGI

4.54ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG782627183

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG782627183

Diamond specifications and retailer prices

From $7,326 AUD

$5,147 USD

As of October 29, 2026

Save $20,555 AUD (74%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: $27,882 AUD at Taylor and Hart · As of October 28, 2026

View at Taylor and Hart

About this 4.54ct lab-grown oval diamond

This 4.54ct 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 LG782627183 or 782627183. Listed at 20 retailers as of October 28, 2026, with prices from $7,326 to $27,882, a $20,555 spread on the same certified stone. Taylor and Hart lists it at $27,882. 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

4.54

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.1°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG782627183

Dimensions13.36 × 9.20 × 5.82 mm

L/W Ratio1.45

Girdle conditionFaceted

Culet sizePointed

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG782627183

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: $10,130 AUD|Low: $7,326 AUD|High: $41,902 AUD|Avg: $18,114 AUD|-35.3%

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

Taylor and Hart

October 30, 2026

Retailer 4$7,326 AUD

Retailer 3$7,518 AUD

Retailer 10$7,836 AUD

Retailer 2$9,947 AUD

Retailer 12$9,997 AUD

Retailer 1$10,130 AUD

Retailer 14$10,998 AUD

Retailer 9$11,380 AUD

Retailer 6$12,698 AUD

Retailer 13$14,614 AUD

Retailer 8$16,212 AUD

Retailer 7$16,575 AUD

Retailer 11$17,093 AUD

Retailer 5$21,648 AUD

Taylor and Hart$27,882 AUD

41 data points across 15 retailers

20 retailers$7,326 AUD to $27,882 AUD

Cheapest Retailer

$7,326 AUD

$5,147 USD

Retailer 2

$7,518 AUD

$5,282 USD

View

Final sale: no returns

Retailer 3

$7,836 AUD

$5,505 USD

View

Retailer 4

$9,947 AUD

$6,988 USD

View

B+

Retailer 5

$9,997 AUD

$7,023 USD

View

B+

Retailer 6

$10,130 AUD

£5,604 GBP

View

Retailer 7

$10,946 AUD

$7,690 USD

View

Price last confirmed 19 days ago

B+

Retailer 8

$10,998 AUD

£6,084 GBP

View

B+

Retailer 9

$11,380 AUD

$7,995 USD

View

Retailer 10

$11,384 AUD

$7,998 USD

View

Price last confirmed 34 days ago

Retailer 11

$12,523 AUD

$8,798 USD

View

Price last confirmed 38 days ago

Retailer 12

$12,698 AUD

$8,921 USD

View

Price last confirmed 27 days ago

Retailer 13

$12,698 AUD

$8,921 USD

View

Price last confirmed 17 days ago

Retailer 14

$14,280 AUD

$10,032 USD

View

Price last confirmed 22 days ago

B+

Retailer 15

$14,614 AUD

$10,267 USD

View

B+

Retailer 16

$16,212 AUD

£8,968 GBP

View

B+

Retailer 17

$16,575 AUD

ZAR 188,126 ZAR

View

Retailer 18

$17,093 AUD

View

Price last confirmed 7 days ago

Retailer 19

$21,648 AUD

$15,208 USD

View

Most Expensive

Taylor and Hart

HA1J6LE · Oct 28

$27,882 AUD

$19,588 USD

View

19 more retailers have this diamond

Prices start from $7,326 AUDSave up to $20,555 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.

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4.54ct Oval

$7,326 AUD