Cushion|Lab Grown|IGI

4.10ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG833685485

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG833685485

Diamond specifications and retailer prices

From $5,174 NZD

£2,296 GBP

As of October 26, 2026

Save $29,567 NZD (85%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: $34,741 NZD at Brilliant Earth · As of October 26, 2026

View at Brilliant Earth

About this 4.1ct lab-grown cushion diamond

This 4.1ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG833685485 or 833685485. Listed at 12 retailers as of October 26, 2026, with prices from $5,174 to $34,741, a $29,567 spread on the same certified stone. Brilliant Earth lists it at $34,741. 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

4.10

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.2°

Pavilion angle37.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG833685485

Dimensions11.31 × 8.20 × 5.42 mm

L/W Ratio1.38

Girdle conditionFaceted

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG833685485

Side View

Caratlytics Score

How it works →

A+

Exceptional

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 26

Current: $34,741 NZD|Low: $5,173 NZD|High: $34,741 NZD|Avg: $17,204 NZD

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

October 26, 2026

Retailer 7$5,174 NZD

Retailer 8$5,908 NZD

Retailer 11$7,441 NZD

Retailer 2$8,749 NZD

Retailer 9$10,105 NZD

Retailer 12$11,772 NZD

Retailer 10$13,599 NZD

Retailer 13$16,139 NZD

Retailer 4$16,591 NZD

Retailer 3$27,796 NZD

Retailer 6$33,339 NZD

Retailer 5$34,287 NZD

Brilliant Earth$34,741 NZD

25 data points across 13 retailers

12 retailers$5,174 NZD to $34,741 NZD

A+

Cheapest Retailer

$5,174 NZD

£2,296 GBP

Retailer 2

$5,908 NZD

$3,330 USD

View

Retailer 3

$7,441 NZD

$4,194 USD

View

Retailer 4

$8,749 NZD

$4,931 USD

View

Retailer 5

$10,105 NZD

€5,424 EUR

View

Retailer 6

$11,772 NZD

$6,635 USD

View

Price last confirmed 12 days ago

Retailer 7

$13,599 NZD

A$11,791 AUD

View

Price last confirmed 9 days ago

Retailer 8

$16,139 NZD

£7,162 GBP

View

Price last confirmed 12 days ago

Retailer 9

$16,591 NZD

$9,351 USD

View

Price last confirmed 15 days ago

Retailer 10

$27,796 NZD

A$24,101 AUD

View

Price last confirmed 22 days ago

Retailer 11

$33,339 NZD

$18,790 USD

View

Most Expensive

Brilliant Earth

22166860Y · Oct 26

$34,741 NZD

$19,580 USD

View

11 more retailers have this diamond

Prices start from $5,174 NZDSave up to $29,567 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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