Radiant|Lab Grown|IGI

15.00ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG592319903

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

Certificate IGI LG592319903

Diamond specifications and retailer prices

From $4,356 AUD

$3,060 USD

As of October 31, 2026

Save $16,471 AUD (79%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $20,827 AUD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 15ct lab-grown radiant diamond

This 15ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG592319903 or 592319903. Listed at 14 retailers as of October 31, 2026, with prices from $4,356 to $20,827, a $16,471 spread on the same certified stone. Brilliant Earth lists it at $20,827. 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

15.00

Carat

Colour

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle46°

Pavilion angle35.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG592319903

Dimensions17.06 × 12.11 × 8.33 mm

L/W Ratio1.41

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG592319903

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31

Current: $20,827 AUD|Low: $3,979 AUD|High: $32,928 AUD|Avg: $8,808 AUD|-36.7%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

November 1, 2026

Retailer 13$3,979 AUD

Retailer 12$4,121 AUD

Retailer 7$4,356 AUD

Retailer 3$5,021 AUD

Retailer 2$5,518 AUD

Retailer 8$6,178 AUD

Retailer 11$6,425 AUD

Retailer 6$6,743 AUD

Retailer 5$7,810 AUD

Retailer 9$8,883 AUD

Retailer 10$11,003 AUD

Retailer 4$17,906 AUD

Brilliant Earth$20,827 AUD

41 data points across 13 retailers

14 retailers$4,356 AUD to $20,827 AUD

Retailer 1

$4,121 AUD

$2,895 USD

Price last confirmed 21 days ago

Retailer 2

$4,356 AUD

$3,060 USD

View

Retailer 3

$5,021 AUD

$3,527 USD

View

Retailer 4

$5,518 AUD

£3,052 GBP

View

Retailer 5

$5,706 AUD

£3,156 GBP

View

Price last confirmed 20 days ago

Retailer 6

$6,178 AUD

$4,340 USD

View

Retailer 7

$6,425 AUD

$4,513 USD

View

Retailer 8

$6,743 AUD

€4,511 EUR

View

B+

Retailer 9

$7,810 AUD

£4,320 GBP

View

Retailer 10

$8,883 AUD

$6,240 USD

View

Price last confirmed 11 days ago

B+

Retailer 11

$11,003 AUD

$7,729 USD

View

Retailer 12

$14,381 AUD

$10,102 USD

View

Price last confirmed 13 days ago

Retailer 13

$17,906 AUD

$12,578 USD

View

Most Expensive

Brilliant Earth

7811180A · Oct 31

$20,827 AUD

$14,630 USD

View

13 more retailers have this diamond

Prices start from $4,356 AUDSave up to $16,471 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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$4,356 AUD