Radiant|Lab Grown|IGI

6.59ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2 • IGI LG821678396

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

Certificate IGI LG821678396

Diamond specifications and retailer prices

From $3,605 NZD

£1,597 GBP

As of November 3, 2026

Save $6,579 NZD (65%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: $10,184 NZD at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 6.59ct lab-grown radiant diamond

This 6.59ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821678396 or 821678396. Listed at 15 retailers as of November 2, 2026, with prices from $3,605 to $10,184, a $6,579 spread on the same certified stone. Brilliant Earth lists it at $10,184. 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

6.59

Carat

Colour

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle52.2°

Pavilion angle36.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG821678396

Dimensions13.43 × 9.40 × 6.15 mm

L/W Ratio1.43

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG821678396

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 3

Current: $10,184 NZD|Low: $2,870 NZD|High: $19,799 NZD|Avg: $6,872 NZD|-48.6%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

November 3, 2026

Retailer 2$3,605 NZD

Retailer 7$3,919 NZD

Retailer 9$4,056 NZD

Retailer 6$4,486 NZD

Retailer 10$4,904 NZD

Retailer 3$5,129 NZD

Retailer 12$6,176 NZD

Retailer 8$7,346 NZD

Retailer 11$8,135 NZD

Retailer 5$8,223 NZD

Retailer 4$9,739 NZD

Brilliant Earth$10,184 NZD

42 data points across 12 retailers

15 retailers$3,605 NZD to $10,184 NZD

Retailer 1

$2,206 NZD

$1,241 USD

Price last confirmed 25 days ago

Retailer 2

$2,559 NZD

$1,440 USD

View

Price last confirmed 30 days ago

Retailer 3

$3,605 NZD

£1,597 GBP

View

B+

Retailer 4

$3,919 NZD

$2,205 USD

View

B+

Retailer 5

$4,056 NZD

$2,282 USD

View

B+

Retailer 6

$4,486 NZD

€2,404 EUR

View

B+

Retailer 7

$4,904 NZD

$2,759 USD

View

B+

Retailer 8

$5,129 NZD

$2,886 USD

View

Retailer 9

$6,176 NZD

£2,736 GBP

View

Price last confirmed 19 days ago

Retailer 10

$7,346 NZD

$4,133 USD

View

Retailer 11

$8,135 NZD

SGD 6,185 SGD

View

Retailer 12

$8,223 NZD

£3,643 GBP

View

Retailer 13

$9,118 NZD

$5,130 USD

View

Retailer 14

$9,739 NZD

$5,480 USD

View

Most Expensive

Brilliant Earth

21044238A · Nov 2

$10,184 NZD

$5,730 USD

View

14 more retailers have this diamond

Prices start from $3,605 NZDSave up to $6,579 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.

Similar diamonds

6.59ct Radiant

$3,605 NZD