Oval|Lab Grown|IGI

6.65ct G VS2 Oval Lab Grown Diamond

ID • G/VS2 • IGI LG627455431

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG627455431

Diamond specifications and retailer prices

From $1,528 NZD

$861 USD

As of October 29, 2026

Save $7,592 NZD (83%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $9,120 NZD at Brilliant Earth · As of October 29, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG627455431 or 627455431. Listed at 17 retailers as of October 29, 2026, with prices from $1,528 to $9,120, a $7,592 spread on the same certified stone. Brilliant Earth lists it at $9,120. 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

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.1°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG627455431

Dimensions15.04 × 10.75 × 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 LG627455431

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: $9,120 NZD|Low: $1,467 NZD|High: $9,404 NZD|Avg: $3,659 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

Retailer 16

October 31, 2026

Retailer 4$1,528 NZD

Retailer 12$1,663 NZD

Retailer 14$1,773 NZD

Retailer 16$1,773 NZD

Retailer 15$1,940 NZD

Retailer 2$2,085 NZD

Retailer 7$2,679 NZD

Retailer 9$2,725 NZD

Retailer 5$2,850 NZD

Retailer 11$3,093 NZD

Retailer 13$4,074 NZD

Retailer 8$4,640 NZD

Retailer 3$4,982 NZD

Retailer 6$5,545 NZD

Retailer 10$6,652 NZD

Brilliant Earth$9,120 NZD

38 data points across 16 retailers

17 retailers$1,528 NZD to $9,120 NZD

Cheapest Retailer

$1,528 NZD

$861 USD

Retailer 2

$1,663 NZD

$937 USD

View

Retailer 3

$1,773 NZD

$999 USD

View

Price last confirmed 14 days ago

Retailer 4

$1,773 NZD

$999 USD

View

Retailer 5

$1,940 NZD

£861 GBP

View

Price last confirmed 14 days ago

Retailer 6

$2,085 NZD

$1,175 USD

View

Retailer 7

$2,679 NZD

$1,510 USD

View

Retailer 8

$2,725 NZD

£1,209 GBP

View

B+

Retailer 9

$2,850 NZD

$1,606 USD

View

Retailer 10

$3,093 NZD

€1,660 EUR

View

Price last confirmed 8 days ago

B+

Retailer 11

$4,074 NZD

$2,296 USD

View

B+

Retailer 12

$4,640 NZD

$2,615 USD

View

B+

Retailer 13

$4,982 NZD

$2,808 USD

View

B+

Retailer 14

$5,545 NZD

$3,125 USD

View

Retailer 15

$6,147 NZD

$3,465 USD

View

Price last confirmed 13 days ago

Retailer 16

$6,652 NZD

£2,952 GBP

View

Most Expensive

Brilliant Earth

9814178A · Oct 29

$9,120 NZD

$5,140 USD

View

16 more retailers have this diamond

Prices start from $1,528 NZDSave up to $7,592 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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6.65ct Oval

$1,528 NZD