Oval|Lab Grown|IGI

6.12ct H VS1 Oval Lab Grown Diamond

EX • H/VS1 • IGI LG583308486

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG583308486

Diamond specifications and retailer prices

From $2,475 NZD

$1,395 USD

As of November 1, 2026

Save $5,385 NZD (69%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $7,860 NZD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 6.12ct lab-grown oval diamond

This 6.12ct lab-grown oval sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG583308486 or 583308486. Listed at 16 retailers as of October 31, 2026, with prices from $2,475 to $7,860, a $5,385 spread on the same certified stone. Brilliant Earth lists it at $7,860. 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

6.12

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.1°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG583308486

Dimensions14.56 × 10.40 × 6.49 mm

L/W Ratio1.40

Girdle conditionFaceted

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG583308486

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: $7,860 NZD|Low: $1,036 NZD|High: $8,109 NZD|Avg: $3,547 NZD|-3.1%

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

November 1, 2026

Retailer 6$1,503 NZD

Retailer 4$1,540 NZD

Retailer 8$2,001 NZD

Retailer 15$2,475 NZD

Retailer 10$2,555 NZD

Retailer 3$2,582 NZD

Retailer 9$2,627 NZD

Retailer 11$2,961 NZD

Retailer 12$3,091 NZD

Retailer 13$3,336 NZD

Retailer 14$3,799 NZD

Retailer 7$4,326 NZD

Retailer 16$5,519 NZD

Retailer 5$5,736 NZD

Retailer 2$5,987 NZD

Brilliant Earth$7,860 NZD

29 data points across 16 retailers

16 retailers$2,475 NZD to $7,860 NZD

Retailer 1

$1,295 NZD

$730 USD

Price last confirmed 39 days ago

Retailer 2

$1,409 NZD

$794 USD

View

Price last confirmed 36 days ago

Retailer 3

$1,482 NZD

$835 USD

View

Price last confirmed 35 days ago

Retailer 4

$2,475 NZD

$1,395 USD

View

Retailer 5

$2,555 NZD

$1,440 USD

View

B+

Retailer 6

$2,582 NZD

$1,455 USD

View

Retailer 7

$2,627 NZD

€1,410 EUR

View

Retailer 8

$2,961 NZD

A$2,567 AUD

View

Retailer 9

$3,091 NZD

ZAR 28,146 ZAR

View

B+

Retailer 10

$3,336 NZD

$1,880 USD

View

B+

Retailer 11

$3,799 NZD

$2,141 USD

View

Retailer 12

$4,225 NZD

$2,381 USD

View

Price last confirmed 35 days ago

Retailer 13

$5,519 NZD

$3,111 USD

View

Retailer 14

$5,736 NZD

$3,233 USD

View

Price last confirmed 21 days ago

Retailer 15

$5,987 NZD

£2,657 GBP

View

Most Expensive

Brilliant Earth

7627117A · Oct 31

$7,860 NZD

$4,430 USD

View

15 more retailers have this diamond

Prices start from $2,475 NZDSave up to $5,385 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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6.12ct Oval

$2,475 NZD