Oval|Lab Grown|IGI

6.65ct G VS1 Oval Lab Grown Diamond

ID • G/VS1 • IGI LG598388125

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG598388125

Diamond specifications and retailer prices

From $1,619 NZD

$911 USD

As of November 1, 2026

Save $8,529 NZD (84%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: $10,148 NZD at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 6.65ct lab-grown oval diamond

This 6.65ct lab-grown oval 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 LG598388125 or 598388125. Listed at 20 retailers as of November 1, 2026, with prices from $1,619 to $10,148, a $8,529 spread on the same certified stone. Brilliant Earth lists it at $10,148. 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

6.65

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.1°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG598388125

Dimensions14.94 × 10.69 × 6.66 mm

L/W Ratio1.40

Girdle conditionFaceted

Culet sizePointed

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG598388125

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: $10,148 NZD|Low: $1,571 NZD|High: $10,557 NZD|Avg: $3,996 NZD|-3.1%

Brilliant Earth

Retailer 2

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Retailer 22

November 2, 2026

Retailer 6$1,619 NZD

Retailer 20$1,761 NZD

Retailer 10$1,815 NZD

Retailer 4$1,879 NZD

Retailer 22$1,879 NZD

Retailer 3$2,022 NZD

Retailer 17$2,186 NZD

Retailer 7$2,753 NZD

Retailer 2$2,869 NZD

Retailer 11$3,013 NZD

Retailer 16$3,074 NZD

Retailer 18$3,481 NZD

Retailer 19$3,635 NZD

Retailer 21$4,180 NZD

Retailer 8$4,783 NZD

Retailer 9$5,201 NZD

Retailer 5$5,282 NZD

Retailer 12$5,869 NZD

Retailer 14$5,878 NZD

Retailer 13$6,372 NZD

Retailer 15$6,529 NZD

Brilliant Earth$10,148 NZD

36 data points across 22 retailers

20 retailers$1,619 NZD to $10,148 NZD

Cheapest Retailer

$1,619 NZD

$911 USD

Retailer 2

$1,761 NZD

$991 USD

View

Retailer 3

$1,879 NZD

$1,057 USD

View

Retailer 4

$1,879 NZD

$1,057 USD

View

Price last confirmed 16 days ago

Retailer 5

$2,186 NZD

$1,230 USD

View

Retailer 6

$2,753 NZD

$1,549 USD

View

Retailer 7

$2,869 NZD

£1,271 GBP

View

B+

Retailer 8

$3,013 NZD

$1,695 USD

View

Retailer 9

$3,074 NZD

€1,647 EUR

View

B+

Retailer 10

$3,481 NZD

A$3,013 AUD

View

Retailer 11

$3,635 NZD

ZAR 33,043 ZAR

View

B+

Retailer 12

$4,180 NZD

$2,352 USD

View

B+

Retailer 13

$4,783 NZD

$2,691 USD

View

B+

Retailer 14

$5,201 NZD

£2,304 GBP

View

B+

Retailer 15

$5,282 NZD

$2,972 USD

View

Retailer 16

$5,869 NZD

$3,302 USD

View

Price last confirmed 22 days ago

B+

Retailer 17

$5,878 NZD

$3,307 USD

View

B+

Retailer 18

$6,372 NZD

£2,823 GBP

View

Retailer 19

$6,529 NZD

$3,674 USD

View

Most Expensive

Brilliant Earth

8138297A · Nov 2

$10,148 NZD

$5,710 USD

View

19 more retailers have this diamond

Prices start from $1,619 NZDSave up to $8,529 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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