Radiant|Lab Grown|IGI

6.30ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG581318746

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

Certificate IGI LG581318746

Diamond specifications and retailer prices

From $1,955 NZD

$1,100 USD

As of November 2, 2026

Save $7,749 NZD (80%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $9,704 NZD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 6.3ct lab-grown radiant diamond

This 6.3ct 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 LG581318746 or 581318746. Listed at 17 retailers as of October 31, 2026, with prices from $1,955 to $9,704, a $7,749 spread on the same certified stone. Brilliant Earth lists it at $9,704. 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

6.30

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle46°

Pavilion angle35°

OriginLab Grown

Grading LabIGI

CertificateIGI LG581318746

Dimensions12.72 × 9.09 × 6.22 mm

L/W Ratio1.40

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 LG581318746

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: $9,704 NZD|Low: $1,568 NZD|High: $9,704 NZD|Avg: $3,920 NZD

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

Retailer 17

November 2, 2026

Retailer 6$1,587 NZD

Retailer 9$1,626 NZD

Retailer 14$1,955 NZD

Retailer 2$2,525 NZD

Retailer 17$2,536 NZD

Retailer 5$2,657 NZD

Retailer 11$2,708 NZD

Retailer 12$3,050 NZD

Retailer 13$3,184 NZD

Retailer 15$3,914 NZD

Retailer 16$4,283 NZD

Retailer 7$5,201 NZD

Retailer 3$5,561 NZD

Retailer 4$5,692 NZD

Retailer 8$5,883 NZD

Retailer 10$6,169 NZD

Brilliant Earth$9,704 NZD

39 data points across 17 retailers

17 retailers$1,955 NZD to $9,704 NZD

Retailer 1

$1,525 NZD

$858 USD

Price last confirmed 36 days ago

Retailer 2

$1,603 NZD

$902 USD

View

Price last confirmed 36 days ago

Retailer 3

$1,955 NZD

$1,100 USD

View

Retailer 4

$2,525 NZD

£1,119 GBP

View

Retailer 5

$2,536 NZD

$1,427 USD

View

B+

Retailer 6

$2,657 NZD

$1,495 USD

View

Retailer 7

$2,708 NZD

€1,451 EUR

View

Retailer 8

$3,050 NZD

A$2,640 AUD

View

Retailer 9

$3,184 NZD

ZAR 28,944 ZAR

View

Retailer 10

$3,914 NZD

$2,202 USD

View

B+

Retailer 11

$4,283 NZD

$2,410 USD

View

Retailer 12

$5,201 NZD

£2,304 GBP

View

Price last confirmed 22 days ago

B+

Retailer 13

$5,561 NZD

$3,129 USD

View

B+

Retailer 14

$5,692 NZD

$3,202 USD

View

Retailer 15

$5,883 NZD

$3,310 USD

View

Price last confirmed 22 days ago

B+

Retailer 16

$6,169 NZD

£2,733 GBP

View

Most Expensive

Brilliant Earth

7625224A · Oct 31

$9,704 NZD

$5,460 USD

View

16 more retailers have this diamond

Prices start from $1,955 NZDSave up to $7,749 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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