Cushion|Lab Grown|IGI

4.05ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG845662709

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG845662709

Diamond specifications and retailer prices

From $1,074 NZD

£476 GBP

As of November 2, 2026

Save $8,780 NZD (89%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $9,853 NZD at Helzberg Diamonds · As of November 1, 2026

View at Helzberg Diamonds

About this 4.05ct lab-grown cushion diamond

This 4.05ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG845662709 or 845662709. Listed at 18 retailers as of November 1, 2026, with prices from $1,074 to $9,853, a $8,780 spread on the same certified stone. Helzberg Diamonds lists it at $9,853. 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

4.05

Carat

Colour

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle41.6°

Pavilion angle39.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG845662709

Dimensions9.04 × 9.01 × 6.21 mm

L/W Ratio1.00

Girdle conditionFaceted

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG845662709

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 2

Current: $9,853 NZD|Low: $1,074 NZD|High: $1,236,303 NZD|Avg: $209,679 NZD

Helzberg Diamonds

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

Retailer 17

Retailer 18

November 2, 2026

Retailer 11$1,074 NZD

Retailer 15$1,285 NZD

Retailer 17$1,520 NZD

Retailer 3$1,843 NZD

Retailer 6$1,978 NZD

Retailer 14$2,008 NZD

Retailer 12$2,010 NZD

Retailer 2$2,560 NZD

Retailer 7$2,577 NZD

Retailer 18$2,998 NZD

Retailer 5$4,090 NZD

Retailer 8$4,098 NZD

Retailer 10$4,165 NZD

Retailer 9$4,461 NZD

Retailer 16$5,502 NZD

Retailer 13$5,584 NZD

Retailer 4$7,465 NZD

Helzberg Diamonds$9,853 NZD

10 data points across 18 retailers

18 retailers$1,074 NZD to $9,853 NZD

Cheapest Retailer

$1,074 NZD

£476 GBP

Retailer 2

$1,285 NZD

$723 USD

View

Final sale: no returns

Retailer 3

$1,520 NZD

$855 USD

View

Retailer 4

$1,843 NZD

$1,037 USD

View

B+

Retailer 5

$1,978 NZD

$1,113 USD

View

Retailer 6

$2,008 NZD

€1,076 EUR

View

Retailer 7

$2,010 NZD

£891 GBP

View

Retailer 8

$2,560 NZD

ZAR 23,270 ZAR

View

Retailer 9

$2,577 NZD

A$2,231 AUD

View

Retailer 10

$2,998 NZD

$1,687 USD

View

B+

Retailer 11

$4,090 NZD

$2,301 USD

View

B+

Retailer 12

$4,098 NZD

$2,306 USD

View

B+

Retailer 13

$4,165 NZD

$2,343 USD

View

B+

Retailer 14

$4,461 NZD

$2,510 USD

View

B+

Retailer 15

$5,502 NZD

A$4,763 AUD

View

B+

Retailer 16

$5,584 NZD

£2,474 GBP

View

Retailer 17

$7,465 NZD

$4,200 USD

View

Most Expensive

Helzberg Diamonds

ZXZOKLMMINGP · Nov 1

$9,853 NZD

$5,544 USD

View

17 more retailers have this diamond

Prices start from $1,074 NZDSave up to $8,780 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

4.05ct Cushion

$1,074 NZD