Round|Lab Grown|IGI

5.18ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG813601643

Shape and cutting style on the report: Round brilliant

Certificate IGI LG813601643

Diamond specifications and retailer prices

From $9,999 AUD

$7,024 USD

As of October 26, 2026

Save $53,892 AUD (84%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: $63,891 AUD at With Clarity · As of October 30, 2026

View at With Clarity

About this 5.18ct lab-grown round diamond

This 5.18ct lab-grown round sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG813601643 or 813601643. Listed at 21 retailers as of October 26, 2026, with prices from $9,999 to $63,891, a $53,892 spread on the same certified stone. With Clarity lists it at $63,891. 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

5.18

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.7°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG813601643

Dimensions11.04 × 11.11 × 6.84 mm

L/W Ratio1.01

Girdle conditionFaceted

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 LG813601643

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 26

Current: $19,715 AUD|Low: $9,437 AUD|High: $62,613 AUD|Avg: $25,217 AUD|+2.2%

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

With Clarity

October 27, 2026

Retailer 2$9,999 AUD

Retailer 12$11,540 AUD

Retailer 7$12,392 AUD

Retailer 3$14,205 AUD

Retailer 11$14,417 AUD

Retailer 8$15,210 AUD

Retailer 5$15,261 AUD

Retailer 1$19,715 AUD

Retailer 6$19,791 AUD

Retailer 15$20,096 AUD

Retailer 9$24,531 AUD

Retailer 10$25,250 AUD

Retailer 14$32,447 AUD

Retailer 13$32,649 AUD

Retailer 4$48,616 AUD

With Clarity$62,613 AUD

38 data points across 16 retailers

21 retailers$9,999 AUD to $63,891 AUD

Cheapest Retailer

$9,999 AUD

$7,024 USD

Retailer 2

$10,757 AUD

$7,556 USD

View

Price last confirmed 21 days ago

Retailer 3

$11,187 AUD

$7,858 USD

View

Price last confirmed 18 days ago

Retailer 4

$11,540 AUD

CA$11,259 CAD

View

Retailer 5

$12,392 AUD

$8,705 USD

View

Retailer 6

$12,476 AUD

$8,764 USD

View

Price last confirmed 29 days ago

Retailer 7

$12,476 AUD

$8,764 USD

View

Price last confirmed 19 days ago

Retailer 8

$14,032 AUD

$9,857 USD

View

Price last confirmed 24 days ago

Retailer 9

$14,205 AUD

$9,978 USD

View

Retailer 10

$15,210 AUD

£8,413 GBP

View

Retailer 11

$15,261 AUD

$10,720 USD

View

Retailer 12

$19,715 AUD

€13,189 EUR

View

Retailer 13

$20,096 AUD

$14,116 USD

View

B+

Retailer 14

$24,531 AUD

£13,568 GBP

View

Retailer 15

$25,250 AUD

ZAR 286,544 ZAR

View

Price last confirmed 7 days ago

B+

Retailer 16

$32,447 AUD

$22,792 USD

View

B+

Retailer 17

$32,649 AUD

$22,934 USD

View

B+

Retailer 18

$34,738 AUD

$24,402 USD

View

Retailer 19

$41,451 AUD

$29,117 USD

View

Retailer 20

$48,616 AUD

$34,150 USD

View

Most Expensive

With Clarity

813601643 · Oct 30

$63,891 AUD

$44,880 USD

View

20 more retailers have this diamond

Prices start from $9,999 AUDSave up to $53,892 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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