Radiant|Lab Grown|IGI

5.08ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG728578081

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

Certificate IGI LG728578081

Diamond specifications and retailer prices

From $11,155 AUD

$7,836 USD

As of October 30, 2026

Save $58,958 AUD (84%) vs most expensive(unlock to see where)

31 retailers carry this diamond

Most expensive: $70,114 AUD at With Clarity · As of October 31, 2026

View at With Clarity

About this 5.08ct lab-grown radiant diamond

This 5.08ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG728578081 or 728578081. Listed at 31 retailers as of October 30, 2026, with prices from $11,155 to $70,114, a $58,958 spread on the same certified stone. With Clarity lists it at $70,114. 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

5.08

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.7°

Pavilion angle33.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG728578081

Dimensions12.05 × 8.72 × 5.73 mm

L/W Ratio1.38

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 LG728578081

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 30

Current: $26,926 AUD|Low: $11,155 AUD|High: $70,114 AUD|Avg: $22,605 AUD|-7.2%

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

Retailer 22

With Clarity

November 1, 2026

Retailer 7$11,155 AUD

Retailer 4$11,493 AUD

Retailer 22$12,841 AUD

Retailer 16$13,560 AUD

Retailer 9$14,104 AUD

Retailer 15$14,393 AUD

Retailer 3$14,394 AUD

Retailer 19$14,552 AUD

Retailer 2$14,729 AUD

Retailer 21$15,133 AUD

Retailer 18$15,825 AUD

Retailer 13$18,550 AUD

Retailer 6$21,055 AUD

Retailer 20$21,656 AUD

Retailer 5$23,669 AUD

Retailer 12$24,021 AUD

Retailer 14$26,290 AUD

Retailer 1$26,926 AUD

Retailer 17$32,877 AUD

Retailer 8$36,030 AUD

Retailer 11$42,399 AUD

Retailer 10$48,008 AUD

With Clarity$70,114 AUD

33 data points across 23 retailers

31 retailers$11,155 AUD to $70,114 AUD

Cheapest Retailer

$11,155 AUD

$7,836 USD

Retailer 2

$11,493 AUD

$8,073 USD

View

Retailer 3

$12,028 AUD

$8,449 USD

View

Price last confirmed 24 days ago

Retailer 4

$12,028 AUD

$8,449 USD

View

Price last confirmed 32 days ago

Retailer 5

$12,509 AUD

$8,787 USD

View

Price last confirmed 35 days ago

Retailer 6

$12,841 AUD

$9,020 USD

View

Retailer 7

$13,560 AUD

$9,525 USD

View

Retailer 8

$13,761 AUD

$9,666 USD

View

Price last confirmed 35 days ago

Retailer 9

$13,953 AUD

$9,801 USD

View

Price last confirmed 29 days ago

Retailer 10

$14,104 AUD

HK$77,400 HKD

View

Retailer 11

$14,393 AUD

$10,110 USD

View

Retailer 12

$14,394 AUD

$10,111 USD

View

Retailer 13

$14,552 AUD

$10,222 USD

View

Retailer 14

$14,729 AUD

$10,346 USD

View

Retailer 15

$15,133 AUD

$10,630 USD

View

Final sale: no returns

Retailer 16

$15,691 AUD

$11,022 USD

View

Price last confirmed 22 days ago

Retailer 17

$15,691 AUD

$11,022 USD

View

Price last confirmed 31 days ago

Retailer 18

$15,825 AUD

£8,753 GBP

View

Retailer 19

$18,550 AUD

£10,260 GBP

View

Retailer 20

$21,055 AUD

$14,790 USD

View

Retailer 21

$21,656 AUD

€14,488 EUR

View

Retailer 22

$23,669 AUD

$16,626 USD

View

Retailer 23

$24,021 AUD

£13,286 GBP

View

Retailer 24

$26,290 AUD

ZAR 298,340 ZAR

View

Retailer 25

$26,926 AUD

View

B+

Retailer 26

$32,877 AUD

View

B+

Retailer 27

$36,030 AUD

$25,309 USD

View

B+

Retailer 28

$38,471 AUD

$27,024 USD

View

B+

Retailer 29

$42,399 AUD

$29,783 USD

View

Retailer 30

$48,008 AUD

SGD 45,572 SGD

View

Most Expensive

With Clarity

728578081 · Oct 31

$70,114 AUD

$49,251 USD

View

30 more retailers have this diamond

Prices start from $11,155 AUDSave up to $58,958 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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