Radiant|Lab Grown|IGI

4.09ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG738511292

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG738511292

Diamond specifications and retailer prices

From $4,595 AUD

$3,228 USD

As of October 27, 2026

Save $16,213 AUD (78%) vs most expensive(unlock to see where)

30 retailers carry this diamond

Most expensive: $20,807 AUD at With Clarity · As of October 30, 2026

View at With Clarity

About this 4.09ct lab-grown radiant diamond

This 4.09ct lab-grown radiant 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 LG738511292 or 738511292. Listed at 30 retailers as of October 27, 2026, with prices from $4,595 to $20,807, a $16,213 spread on the same certified stone. With Clarity lists it at $20,807. 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

4.09

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.2°

Pavilion angle33.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG738511292

Dimensions12.00 × 7.98 × 5.20 mm

L/W Ratio1.50

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG738511292

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 27

Current: $7,089 AUD|Low: $4,595 AUD|High: $20,807 AUD|Avg: $10,881 AUD|-8.1%

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

Retailer 20

Retailer 21

With Clarity

October 30, 2026

Retailer 3$4,595 AUD

Retailer 15$5,146 AUD

Retailer 9$5,242 AUD

Retailer 20$5,551 AUD

Retailer 10$6,559 AUD

Retailer 1$7,089 AUD

Retailer 19$7,501 AUD

Retailer 4$8,078 AUD

Retailer 13$8,113 AUD

Retailer 5$8,418 AUD

Retailer 17$8,547 AUD

Retailer 12$11,342 AUD

Retailer 18$11,478 AUD

Retailer 6$12,170 AUD

Retailer 8$13,314 AUD

Retailer 16$13,527 AUD

Retailer 11$14,089 AUD

Retailer 7$14,785 AUD

Retailer 2$14,971 AUD

Retailer 14$18,644 AUD

Retailer 21$18,991 AUD

With Clarity$20,807 AUD

35 data points across 22 retailers

30 retailers$4,595 AUD to $20,807 AUD

Cheapest Retailer

$4,595 AUD

$3,228 USD

Retailer 2

$4,595 AUD

$3,228 USD

View

Price last confirmed 21 days ago

Retailer 3

$4,906 AUD

$3,447 USD

View

Price last confirmed 30 days ago

Retailer 4

$5,146 AUD

$3,615 USD

View

Final sale: no returns

Retailer 5

$5,242 AUD

$3,683 USD

View

Retailer 6

$5,331 AUD

$3,745 USD

View

Price last confirmed 26 days ago

Retailer 7

$5,339 AUD

$3,751 USD

View

Price last confirmed 32 days ago

Retailer 8

$5,551 AUD

$3,900 USD

View

Retailer 9

$5,614 AUD

$3,944 USD

View

Price last confirmed 32 days ago

Retailer 10

$6,559 AUD

HK$36,000 HKD

View

Retailer 11

$6,660 AUD

$4,679 USD

View

Retailer 12

$6,660 AUD

$4,679 USD

View

Price last confirmed 19 days ago

Retailer 13

$7,089 AUD

£3,922 GBP

View

Retailer 14

$7,113 AUD

$4,997 USD

View

Price last confirmed 29 days ago

Retailer 15

$7,501 AUD

$5,270 USD

View

Retailer 16

$8,078 AUD

$5,675 USD

View

Retailer 17

$8,113 AUD

£4,488 GBP

View

Retailer 18

$8,418 AUD

$5,914 USD

View

Retailer 19

$8,547 AUD

€5,719 EUR

View

B+

Retailer 20

$11,342 AUD

ZAR 128,733 ZAR

View

Retailer 21

$11,478 AUD

View

Price last confirmed 7 days ago

B+

Retailer 22

$12,170 AUD

$8,550 USD

View

B+

Retailer 23

$13,314 AUD

$9,354 USD

View

B+

Retailer 24

$13,527 AUD

£7,483 GBP

View

B+

Retailer 25

$14,089 AUD

$9,898 USD

View

B+

Retailer 26

$14,785 AUD

$10,387 USD

View

Retailer 27

$14,971 AUD

View

Price last confirmed 21 days ago

Retailer 28

$18,644 AUD

$13,098 USD

View

Retailer 29

$18,991 AUD

SGD 18,030 SGD

View

Most Expensive

With Clarity

738511292 · Oct 30

$20,807 AUD

$14,618 USD

View

29 more retailers have this diamond

Prices start from $4,595 AUDSave up to $16,213 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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