Round|Lab Grown|IGI

6.23ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG578351349

Shape and cutting style on the report: Round brilliant

Certificate IGI LG578351349

Diamond specifications and retailer prices

From $2,715 NZD

$1,530 USD

As of October 31, 2026

Save $4,879 NZD (64%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: $7,594 NZD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 6.23ct lab-grown round diamond

This 6.23ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG578351349 or 578351349. Listed at 13 retailers as of October 31, 2026, with prices from $2,715 to $7,594, a $4,879 spread on the same certified stone. Brilliant Earth lists it at $7,594. 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

6.23

Carat

Colour

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.1°

Pavilion angle41°

OriginLab Grown

Grading LabIGI

CertificateIGI LG578351349

Dimensions11.77 × 11.72 × 7.32 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizePointed

Cert comments

HEARTS & ARROWS 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 LG578351349

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 31

Current: $7,594 NZD|Low: $1,107 NZD|High: $7,825 NZD|Avg: $3,738 NZD|-2.9%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

October 31, 2026

Retailer 4$1,551 NZD

Retailer 3$1,606 NZD

Retailer 5$2,715 NZD

Retailer 2$2,763 NZD

Retailer 9$2,766 NZD

Retailer 8$2,881 NZD

Retailer 11$3,086 NZD

Retailer 10$3,934 NZD

Retailer 6$4,154 NZD

Retailer 7$6,571 NZD

Retailer 12$6,704 NZD

Brilliant Earth$7,594 NZD

29 data points across 12 retailers

13 retailers$2,715 NZD to $7,594 NZD

Retailer 1

$1,506 NZD

$849 USD

Price last confirmed 38 days ago

Retailer 2

$1,584 NZD

$893 USD

View

Price last confirmed 35 days ago

B+

Retailer 3

$2,715 NZD

$1,530 USD

View

Retailer 4

$2,763 NZD

€1,483 EUR

View

Retailer 5

$2,766 NZD

$1,559 USD

View

Retailer 6

$2,881 NZD

£1,279 GBP

View

Price last confirmed 15 days ago

B+

Retailer 7

$3,086 NZD

$1,739 USD

View

B+

Retailer 8

$3,934 NZD

$2,217 USD

View

B+

Retailer 9

$4,154 NZD

$2,341 USD

View

Retailer 10

$4,516 NZD

$2,545 USD

View

Price last confirmed 34 days ago

Retailer 11

$6,571 NZD

£2,916 GBP

View

Price last confirmed 11 days ago

Retailer 12

$6,704 NZD

$3,778 USD

View

Price last confirmed 13 days ago

Most Expensive

Brilliant Earth

7628698A · Oct 31

$7,594 NZD

$4,280 USD

View

12 more retailers have this diamond

Prices start from $2,715 NZDSave up to $4,879 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

6.23ct Round

$2,715 NZD