Radiant|Lab Grown|IGI

12.56ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG603334337

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

Certificate IGI LG603334337

Diamond specifications and retailer prices

From $5,765 AUD

$4,040 USD

As of October 30, 2026

Save $23,344 AUD (80%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: $29,109 AUD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 12.56ct lab-grown radiant diamond

This 12.56ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG603334337 or 603334337. Listed at 20 retailers as of October 30, 2026, with prices from $5,765 to $29,109, a $23,344 spread on the same certified stone. Brilliant Earth lists it at $29,109. 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

12.56

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle45.3°

Pavilion angle37.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG603334337

Dimensions14.83 × 12.00 × 8.25 mm

L/W Ratio1.24

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 LG603334337

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: $29,109 AUD|Low: $5,534 AUD|High: $29,109 AUD|Avg: $10,775 AUD

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 2, 2026

Retailer 11$5,765 AUD

Retailer 3$6,454 AUD

Retailer 12$6,686 AUD

Retailer 8$6,692 AUD

Retailer 13$6,831 AUD

Retailer 2$8,711 AUD

Retailer 9$8,868 AUD

Retailer 4$9,373 AUD

Retailer 7$10,349 AUD

Retailer 10$10,355 AUD

Retailer 6$12,575 AUD

Retailer 5$16,954 AUD

Brilliant Earth$29,109 AUD

43 data points across 13 retailers

20 retailers$5,765 AUD to $29,109 AUD

Cheapest Retailer

$5,765 AUD

$4,040 USD

Retailer 2

$6,041 AUD

$4,234 USD

View

Retailer 3

$6,454 AUD

$4,523 USD

View

Final sale: no returns

B+

Retailer 4

$6,686 AUD

$4,686 USD

View

Retailer 5

$6,686 AUD

$4,686 USD

View

Price last confirmed 20 days ago

B+

Retailer 6

$6,692 AUD

$4,690 USD

View

B+

Retailer 7

$6,831 AUD

$4,787 USD

View

B+

Retailer 8

$7,890 AUD

HK$43,200 HKD

View

B+

Retailer 9

$8,356 AUD

$5,856 USD

View

B+

Retailer 10

$8,711 AUD

£4,807 GBP

View

B+

Retailer 11

$8,868 AUD

$6,215 USD

View

B+

Retailer 12

$9,373 AUD

£5,172 GBP

View

B+

Retailer 13

$10,349 AUD

ZAR 117,171 ZAR

View

B+

Retailer 14

$10,355 AUD

$7,257 USD

View

Retailer 15

$12,575 AUD

$8,813 USD

View

Retailer 16

$14,002 AUD

$9,813 USD

View

Retailer 17

$16,954 AUD

$11,882 USD

View

Price last confirmed 20 days ago

Retailer 18

$18,571 AUD

$13,015 USD

View

Retailer 19

$23,738 AUD

$16,636 USD

View

Most Expensive

Brilliant Earth

10597375A · Oct 31

$29,109 AUD

$20,400 USD

View

19 more retailers have this diamond

Prices start from $5,765 AUDSave up to $23,344 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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