Emerald|Lab Grown|IGI

6.59ct G VS1 Emerald Lab Grown Diamond

EX • G/VS1 • IGI LG666438304

Shape and cutting style on the report: Emerald cut

Certificate IGI LG666438304

Diamond specifications and retailer prices

From $2,078 NZD

$1,169 USD

As of November 1, 2026

Save $16,939 NZD (89%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: $19,017 NZD at Brilliant Earth · As of October 26, 2026

View at Brilliant Earth

About this 6.59ct lab-grown emerald diamond

This 6.59ct lab-grown emerald 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 LG666438304 or 666438304. Listed at 21 retailers as of October 26, 2026, with prices from $2,078 to $19,017, a $16,939 spread on the same certified stone. Brilliant Earth lists it at $19,017. 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

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.7°

Pavilion angle38.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG666438304

Dimensions12.23 × 8.68 × 5.89 mm

L/W Ratio1.41

Culet sizeLong

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG666438304

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: $19,017 NZD|Low: $2,078 NZD|High: $19,604 NZD|Avg: $6,386 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

Retailer 15

November 2, 2026

Retailer 14$2,078 NZD

Retailer 10$2,462 NZD

Retailer 5$3,002 NZD

Retailer 7$3,032 NZD

Retailer 2$3,446 NZD

Retailer 9$4,403 NZD

Retailer 13$4,498 NZD

Retailer 11$4,597 NZD

Retailer 15$6,522 NZD

Retailer 6$6,555 NZD

Retailer 4$6,674 NZD

Retailer 8$7,634 NZD

Retailer 12$7,891 NZD

Retailer 3$16,476 NZD

Brilliant Earth$19,017 NZD

43 data points across 15 retailers

21 retailers$2,078 NZD to $19,017 NZD

Retailer 1

$1,781 NZD

$1,002 USD

Price last confirmed 31 days ago

Retailer 2

$2,019 NZD

$1,136 USD

View

Price last confirmed 27 days ago

Retailer 3

$2,078 NZD

$1,169 USD

View

Final sale: no returns

Retailer 4

$2,152 NZD

$1,211 USD

View

Price last confirmed 30 days ago

Retailer 5

$2,462 NZD

$1,385 USD

View

Retailer 6

$3,002 NZD

$1,689 USD

View

B+

Retailer 7

$3,032 NZD

$1,706 USD

View

Retailer 8

$3,446 NZD

£1,527 GBP

View

B+

Retailer 9

$3,709 NZD

$2,087 USD

View

B+

Retailer 10

$4,403 NZD

A$3,811 AUD

View

Retailer 11

$4,454 NZD

$2,506 USD

View

Price last confirmed 33 days ago

B+

Retailer 12

$4,498 NZD

$2,531 USD

View

B+

Retailer 13

$4,597 NZD

ZAR 41,789 ZAR

View

Retailer 14

$6,522 NZD

$3,670 USD

View

Retailer 15

$6,555 NZD

£2,904 GBP

View

Retailer 16

$6,674 NZD

$3,755 USD

View

Retailer 17

$7,634 NZD

£3,382 GBP

View

Retailer 18

$7,891 NZD

$4,440 USD

View

Price last confirmed 15 days ago

Retailer 19

$8,441 NZD

$4,749 USD

View

Retailer 20

$16,476 NZD

$9,270 USD

View

Most Expensive

Brilliant Earth

18600431A · Oct 26

$19,017 NZD

$10,700 USD

View

20 more retailers have this diamond

Prices start from $2,078 NZDSave up to $16,939 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 Emerald

$2,078 NZD