Round|Lab Grown|IGI

12.26ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG619458256

Shape and cutting style on the report: Round brilliant

Certificate IGI LG619458256

Diamond specifications and retailer prices

From $4,911 AUD

£2,710 GBP

As of November 2, 2026

Save $33,059 AUD (87%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: $37,970 AUD at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 12.26ct lab-grown round diamond

This 12.26ct lab-grown round sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG619458256 or 619458256. Listed at 22 retailers as of November 2, 2026, with prices from $4,911 to $37,970, a $33,059 spread on the same certified stone. Brilliant Earth lists it at $37,970. 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

12.26

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.1°

Pavilion angle41°

OriginLab Grown

Grading LabIGI

CertificateIGI LG619458256

Dimensions14.72 × 14.80 × 9.13 mm

L/W Ratio1.01

Girdle conditionFaceted

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 LG619458256

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: Nov 2

Current: $37,970 AUD|Low: $4,909 AUD|High: $37,970 AUD|Avg: $11,285 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

Retailer 14

Retailer 15

Retailer 16

November 2, 2026

Retailer 9$4,911 AUD

Retailer 4$5,271 AUD

Retailer 7$5,903 AUD

Retailer 5$6,114 AUD

Retailer 14$6,335 AUD

Retailer 2$7,523 AUD

Retailer 11$7,961 AUD

Retailer 15$9,464 AUD

Retailer 6$9,477 AUD

Retailer 10$9,860 AUD

Retailer 12$11,457 AUD

Retailer 16$14,373 AUD

Retailer 3$14,670 AUD

Retailer 13$15,314 AUD

Retailer 8$16,976 AUD

Brilliant Earth$37,970 AUD

34 data points across 16 retailers

22 retailers$4,911 AUD to $37,970 AUD

Cheapest Retailer

$4,911 AUD

£2,710 GBP

Retailer 2

$5,271 AUD

$3,694 USD

View

Price last confirmed 12 days ago

Retailer 3

$5,735 AUD

$4,019 USD

View

Price last confirmed 13 days ago

Retailer 4

$5,903 AUD

$4,137 USD

View

Final sale: no returns

Retailer 5

$6,114 AUD

$4,285 USD

View

Price last confirmed 20 days ago

Retailer 6

$6,114 AUD

$4,285 USD

View

Price last confirmed 12 days ago

Retailer 7

$6,335 AUD

$4,440 USD

View

Retailer 8

$6,507 AUD

$4,560 USD

View

Retailer 9

$7,523 AUD

$5,272 USD

View

Retailer 10

$7,641 AUD

$5,355 USD

View

Price last confirmed 12 days ago

Retailer 11

$7,961 AUD

£4,393 GBP

View

B+

Retailer 12

$9,464 AUD

ZAR 107,154 ZAR

View

B+

Retailer 13

$9,477 AUD

$6,642 USD

View

B+

Retailer 14

$9,860 AUD

€6,581 EUR

View

Retailer 15

$10,233 AUD

$7,171 USD

View

Price last confirmed 54 days ago

B+

Retailer 16

$11,457 AUD

View

Retailer 17

$14,373 AUD

$10,073 USD

View

Retailer 18

$14,670 AUD

$10,281 USD

View

B+

Retailer 19

$15,314 AUD

View

Retailer 20

$16,976 AUD

$11,897 USD

View

Retailer 21

$21,591 AUD

$15,131 USD

View

Most Expensive

Brilliant Earth

20602440A · Nov 2

$37,970 AUD

$26,610 USD

View

21 more retailers have this diamond

Prices start from $4,911 AUDSave up to $33,059 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.

Similar diamonds

12.26ct Round

$4,911 AUD