Radiant|Lab Grown|IGI

1.40ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG836617734

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG836617734

Diamond specifications and retailer prices

From $807 NZD

$453 USD

As of October 30, 2026

Save $4,802 NZD (86%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $5,609 NZD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.4ct lab-grown radiant diamond

This 1.4ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836617734 or 836617734. Listed at 14 retailers as of October 29, 2026, with prices from $807 to $5,609, a $4,802 spread on the same certified stone. Brilliant Earth lists it at $5,609. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle45.2°

Pavilion angle36°

OriginLab Grown

Grading LabIGI

CertificateIGI LG836617734

Dimensions7.63 × 5.57 × 3.78 mm

L/W Ratio1.37

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 LG836617734

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30

Current: $5,609 NZD|Low: $807 NZD|High: $5,626 NZD|Avg: $2,235 NZD|-0.3%

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 18, 2026

Retailer 4$807 NZD

Retailer 6$892 NZD

Retailer 13$956 NZD

Retailer 7$1,157 NZD

Retailer 9$1,204 NZD

Retailer 3$1,412 NZD

Retailer 12$1,458 NZD

Retailer 15$1,534 NZD

Retailer 16$1,909 NZD

Retailer 14$2,302 NZD

Retailer 11$2,391 NZD

Retailer 10$2,705 NZD

Retailer 8$2,932 NZD

Retailer 5$3,530 NZD

Retailer 2$5,163 NZD

Brilliant Earth$5,609 NZD

10 data points across 16 retailers

14 retailers$807 NZD to $5,609 NZD

Retailer 1

$691 NZD

$388 USD

Price last confirmed 25 days ago

Retailer 2

$807 NZD

$453 USD

View

Final sale: no returns

Retailer 3

$892 NZD

$501 USD

View

Price last confirmed 27 days ago

Retailer 4

$956 NZD

£423 GBP

View

Price last confirmed 24 days ago

Retailer 5

$1,204 NZD

€644 EUR

View

Retailer 6

$1,412 NZD

$793 USD

View

Price last confirmed 26 days ago

Retailer 7

$1,534 NZD

ZAR 13,921 ZAR

View

Price last confirmed 25 days ago

Retailer 8

$2,302 NZD

$1,293 USD

View

Price last confirmed 24 days ago

B+

Retailer 9

$2,391 NZD

SGD 1,815 SGD

View

Retailer 10

$2,705 NZD

$1,519 USD

View

Retailer 11

$2,932 NZD

$1,647 USD

View

Price last confirmed 25 days ago

Retailer 12

$3,530 NZD

£1,561 GBP

View

Price last confirmed 26 days ago

Retailer 13

$5,163 NZD

$2,900 USD

View

Price last confirmed 11 days ago

Most Expensive

Brilliant Earth

21641065A · Oct 29

$5,609 NZD

$3,150 USD

View

13 more retailers have this diamond

Prices start from $807 NZDSave up to $4,802 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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