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 $4,081 NZD

$2,296 USD

As of November 1, 2026

Save $30,932 NZD (88%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $35,013 NZD 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 $4,081 to $35,013, a $30,932 spread on the same certified stone. Brilliant Earth lists it at $35,013. 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

Unlock full score analysis

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

Price History

Last verified: Nov 1

Current: $35,013 NZD|Low: $2,913 NZD|High: $36,097 NZD|Avg: $9,617 NZD|-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$4,081 NZD

Retailer 3$4,228 NZD

Retailer 5$5,099 NZD

Retailer 8$5,770 NZD

Retailer 12$6,283 NZD

Retailer 11$6,485 NZD

Retailer 14$6,615 NZD

Retailer 10$7,498 NZD

Retailer 9$7,835 NZD

Retailer 4$8,017 NZD

Retailer 2$8,941 NZD

Retailer 13$11,392 NZD

Retailer 7$15,231 NZD

Brilliant Earth$35,013 NZD

26 data points across 14 retailers

17 retailers$4,081 NZD to $35,013 NZD

Retailer 1

$3,500 NZD

$1,969 USD

Price last confirmed 31 days ago

Retailer 2

$4,081 NZD

$2,296 USD

View

Final sale: no returns

Retailer 3

$4,228 NZD

$2,379 USD

View

Price last confirmed 30 days ago

Retailer 4

$5,770 NZD

£2,556 GBP

View

Retailer 5

$5,812 NZD

$3,270 USD

View

Price last confirmed 33 days ago

Retailer 6

$6,485 NZD

ZAR 58,945 ZAR

View

Price last confirmed 18 days ago

Retailer 7

$6,615 NZD

$3,722 USD

View

Retailer 8

$6,782 NZD

$3,816 USD

View

B+

Retailer 9

$7,498 NZD

$4,219 USD

View

B+

Retailer 10

$7,835 NZD

A$6,782 AUD

View

B+

Retailer 11

$8,017 NZD

£3,552 GBP

View

B+

Retailer 12

$8,941 NZD

€4,791 EUR

View

B+

Retailer 13

$11,392 NZD

$6,410 USD

View

Retailer 14

$12,032 NZD

$6,770 USD

View

Retailer 15

$14,792 NZD

$8,323 USD

View

Retailer 16

$15,231 NZD

$8,570 USD

View

Most Expensive

Brilliant Earth

14113636A · Nov 2

$35,013 NZD

$19,700 USD

View

16 more retailers have this diamond

Prices start from $4,081 NZDSave up to $30,932 NZD

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

$4,081 NZD