Radiant|Lab Grown|IGI

12.13ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG577377304

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

Certificate IGI LG577377304

Diamond specifications and retailer prices

From $3,276 AUD

$2,296 USD

As of November 1, 2026

Save $24,834 AUD (88%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $28,110 AUD at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 12.13ct lab-grown radiant diamond

This 12.13ct 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 LG577377304 or 577377304. Listed at 17 retailers as of November 1, 2026, with prices from $3,276 to $28,110, a $24,834 spread on the same certified stone. Brilliant Earth lists it at $28,110. 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

12.13

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle43.5°

Pavilion angle34.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG577377304

Dimensions16.42 × 11.05 × 7.52 mm

L/W Ratio1.49

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 LG577377304

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: Nov 1

Current: $28,110 AUD|Low: $2,339 AUD|High: $28,980 AUD|Avg: $7,721 AUD|-3.0%

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

November 2, 2026

Retailer 6$3,276 AUD

Retailer 3$3,395 AUD

Retailer 5$4,094 AUD

Retailer 8$4,632 AUD

Retailer 12$5,044 AUD

Retailer 11$5,206 AUD

Retailer 14$5,311 AUD

Retailer 10$6,020 AUD

Retailer 9$6,290 AUD

Retailer 4$6,437 AUD

Retailer 2$7,178 AUD

Retailer 13$9,146 AUD

Retailer 7$12,229 AUD

Brilliant Earth$28,110 AUD

26 data points across 14 retailers

17 retailers$3,276 AUD to $28,110 AUD

Retailer 1

$2,810 AUD

$1,969 USD

Price last confirmed 31 days ago

Retailer 2

$3,276 AUD

$2,296 USD

View

Final sale: no returns

Retailer 3

$3,395 AUD

$2,379 USD

View

Price last confirmed 30 days ago

Retailer 4

$4,632 AUD

£2,556 GBP

View

Retailer 5

$4,666 AUD

$3,270 USD

View

Price last confirmed 32 days ago

Retailer 6

$5,206 AUD

ZAR 58,945 ZAR

View

Price last confirmed 18 days ago

Retailer 7

$5,311 AUD

$3,722 USD

View

Retailer 8

$5,445 AUD

$3,816 USD

View

B+

Retailer 9

$6,020 AUD

$4,219 USD

View

B+

Retailer 10

$6,290 AUD

View

B+

Retailer 11

$6,437 AUD

£3,552 GBP

View

B+

Retailer 12

$7,178 AUD

€4,791 EUR

View

B+

Retailer 13

$9,146 AUD

$6,410 USD

View

Retailer 14

$9,660 AUD

$6,770 USD

View

Retailer 15

$11,876 AUD

$8,323 USD

View

Retailer 16

$12,229 AUD

$8,570 USD

View

Most Expensive

Brilliant Earth

14113636A · Nov 2

$28,110 AUD

$19,700 USD

View

16 more retailers have this diamond

Prices start from $3,276 AUDSave up to $24,834 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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12.13ct Radiant

$3,276 AUD