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 $13,903 NZD

$7,836 USD

As of October 30, 2026

Save $73,483 NZD (84%) vs most expensive(unlock to see where)

31 retailers carry this diamond

Most expensive: $87,386 NZD 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 $13,903 to $87,386, a $73,483 spread on the same certified stone. With Clarity lists it at $87,386. 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: $33,559 NZD|Low: $13,903 NZD|High: $87,386 NZD|Avg: $28,173 NZD|-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$13,903 NZD

Retailer 4$14,324 NZD

Retailer 22$16,004 NZD

Retailer 16$16,900 NZD

Retailer 9$17,578 NZD

Retailer 15$17,938 NZD

Retailer 3$17,940 NZD

Retailer 19$18,137 NZD

Retailer 2$18,357 NZD

Retailer 21$18,861 NZD

Retailer 18$19,724 NZD

Retailer 13$23,119 NZD

Retailer 6$26,242 NZD

Retailer 20$26,991 NZD

Retailer 5$29,500 NZD

Retailer 12$29,938 NZD

Retailer 14$32,766 NZD

Retailer 1$33,559 NZD

Retailer 17$40,977 NZD

Retailer 8$44,905 NZD

Retailer 11$52,843 NZD

Retailer 10$59,835 NZD

With Clarity$87,386 NZD

33 data points across 23 retailers

31 retailers$13,903 NZD to $87,386 NZD

Cheapest Retailer

$13,903 NZD

$7,836 USD

Retailer 2

$14,324 NZD

$8,073 USD

View

Retailer 3

$14,991 NZD

$8,449 USD

View

Price last confirmed 24 days ago

Retailer 4

$14,991 NZD

$8,449 USD

View

Price last confirmed 32 days ago

Retailer 5

$15,591 NZD

$8,787 USD

View

Price last confirmed 34 days ago

Retailer 6

$16,004 NZD

$9,020 USD

View

Retailer 7

$16,900 NZD

$9,525 USD

View

Retailer 8

$17,150 NZD

$9,666 USD

View

Price last confirmed 34 days ago

Retailer 9

$17,390 NZD

$9,801 USD

View

Price last confirmed 29 days ago

Retailer 10

$17,578 NZD

HK$77,400 HKD

View

Retailer 11

$17,938 NZD

$10,110 USD

View

Retailer 12

$17,940 NZD

$10,111 USD

View

Retailer 13

$18,137 NZD

$10,222 USD

View

Retailer 14

$18,357 NZD

$10,346 USD

View

Retailer 15

$18,861 NZD

$10,630 USD

View

Final sale: no returns

Retailer 16

$19,556 NZD

$11,022 USD

View

Price last confirmed 21 days ago

Retailer 17

$19,556 NZD

$11,022 USD

View

Price last confirmed 31 days ago

Retailer 18

$19,724 NZD

£8,753 GBP

View

Retailer 19

$23,119 NZD

£10,260 GBP

View

Retailer 20

$26,242 NZD

$14,790 USD

View

Retailer 21

$26,991 NZD

€14,488 EUR

View

Retailer 22

$29,500 NZD

$16,626 USD

View

Retailer 23

$29,938 NZD

£13,286 GBP

View

Retailer 24

$32,766 NZD

ZAR 298,340 ZAR

View

Retailer 25

$33,559 NZD

A$29,098 AUD

View

B+

Retailer 26

$40,977 NZD

A$35,530 AUD

View

B+

Retailer 27

$44,905 NZD

$25,309 USD

View

B+

Retailer 28

$47,948 NZD

$27,024 USD

View

B+

Retailer 29

$52,843 NZD

$29,783 USD

View

Retailer 30

$59,835 NZD

SGD 45,572 SGD

View

Most Expensive

With Clarity

728578081 · Oct 31

$87,386 NZD

$49,251 USD

View

30 more retailers have this diamond

Prices start from $13,903 NZDSave up to $73,483 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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