Radiant|Lab Grown|IGI

6.09ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG821658435

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

Certificate IGI LG821658435

Diamond specifications and retailer prices

From $3,671 NZD

$2,069 USD

As of October 29, 2026

Save $12,032 NZD (77%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $15,703 NZD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 6.09ct lab-grown radiant diamond

This 6.09ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG821658435 or 821658435. Listed at 14 retailers as of October 29, 2026, with prices from $3,671 to $15,703, a $12,032 spread on the same certified stone. Brilliant Earth lists it at $15,703. 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

6.09

Carat

Colour

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle43.6°

Pavilion angle36.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG821658435

Dimensions10.25 × 10.17 × 6.79 mm

L/W Ratio1.01

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 LG821658435

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: Oct 29

Current: $15,703 NZD|Low: $3,671 NZD|High: $15,703 NZD|Avg: $7,908 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

October 31, 2026

Retailer 14$3,671 NZD

Retailer 5$3,804 NZD

Retailer 10$3,958 NZD

Retailer 3$4,471 NZD

Retailer 2$5,083 NZD

Retailer 4$5,960 NZD

Retailer 9$6,576 NZD

Retailer 7$7,360 NZD

Retailer 6$7,869 NZD

Retailer 12$10,248 NZD

Retailer 11$10,916 NZD

Retailer 8$10,920 NZD

Retailer 13$13,326 NZD

Brilliant Earth$15,703 NZD

17 data points across 14 retailers

14 retailers$3,671 NZD to $15,703 NZD

Cheapest Retailer

$3,671 NZD

$2,069 USD

Final sale: no returns

Retailer 2

$3,804 NZD

$2,144 USD

View

Price last confirmed 20 days ago

Retailer 3

$3,958 NZD

£1,756 GBP

View

Price last confirmed 14 days ago

Retailer 4

$4,471 NZD

$2,520 USD

View

Retailer 5

$5,083 NZD

$2,865 USD

View

B+

Retailer 6

$5,960 NZD

$3,359 USD

View

Retailer 7

$6,576 NZD

€3,530 EUR

View

Price last confirmed 8 days ago

B+

Retailer 8

$7,360 NZD

ZAR 67,012 ZAR

View

B+

Retailer 9

$7,869 NZD

£3,492 GBP

View

Retailer 10

$10,248 NZD

$5,776 USD

View

Retailer 11

$10,916 NZD

$6,152 USD

View

B+

Retailer 12

$10,920 NZD

£4,846 GBP

View

Retailer 13

$13,326 NZD

$7,511 USD

View

Most Expensive

Brilliant Earth

20748619A · Oct 29

$15,703 NZD

$8,850 USD

View

13 more retailers have this diamond

Prices start from $3,671 NZDSave up to $12,032 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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6.09ct Radiant

$3,671 NZD