Radiant|Lab Grown|IGI

1.63ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG739567284

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

Certificate IGI LG739567284

Diamond specifications and retailer prices

From $758 NZD

$427 USD

As of November 1, 2026

Save $5,648 NZD (88%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: $6,405 NZD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 1.63ct lab-grown radiant diamond

This 1.63ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739567284 or 739567284. Listed at 24 retailers as of October 31, 2026, with prices from $758 to $6,405, a $5,648 spread on the same certified stone. Brilliant Earth lists it at $6,405. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle41.9°

Pavilion angle32.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG739567284

Dimensions8.56 × 5.84 × 3.77 mm

L/W Ratio1.47

Culet sizePointed

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG739567284

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: $6,405 NZD|Low: $651 NZD|High: $7,115 NZD|Avg: $2,109 NZD|-10.0%

Brilliant Earth

Retailer 2

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Retailer 19

November 1, 2026

Retailer 19$678 NZD

Retailer 10$758 NZD

Retailer 3$841 NZD

Retailer 5$841 NZD

Retailer 12$1,118 NZD

Retailer 16$1,118 NZD

Retailer 9$1,416 NZD

Retailer 2$1,529 NZD

Retailer 15$1,594 NZD

Retailer 7$1,969 NZD

Retailer 11$2,036 NZD

Retailer 13$2,160 NZD

Retailer 17$2,358 NZD

Retailer 8$2,704 NZD

Retailer 4$3,148 NZD

Retailer 6$3,241 NZD

Retailer 14$3,427 NZD

Retailer 18$5,021 NZD

Brilliant Earth$6,405 NZD

43 data points across 19 retailers

24 retailers$758 NZD to $6,405 NZD

Retailer 1

$678 NZD

$382 USD

Price last confirmed 16 days ago

Retailer 2

$758 NZD

$427 USD

View

Final sale: no returns

Retailer 3

$759 NZD

$428 USD

View

Price last confirmed 19 days ago

Retailer 4

$841 NZD

$474 USD

View

Price last confirmed 16 days ago

Retailer 5

$841 NZD

$474 USD

View

Price last confirmed 29 days ago

Retailer 6

$1,118 NZD

$630 USD

View

Retailer 7

$1,118 NZD

$630 USD

View

Retailer 8

$1,416 NZD

$798 USD

View

Retailer 9

$1,529 NZD

£678 GBP

View

Retailer 10

$1,594 NZD

ZAR 14,516 ZAR

View

Retailer 11

$1,641 NZD

$925 USD

View

B+

Retailer 12

$1,969 NZD

$1,110 USD

View

B+

Retailer 13

$2,036 NZD

$1,148 USD

View

B+

Retailer 14

$2,160 NZD

A$1,873 AUD

View

B+

Retailer 15

$2,358 NZD

$1,329 USD

View

B+

Retailer 16

$2,704 NZD

£1,200 GBP

View

Retailer 17

$2,983 NZD

$1,681 USD

View

Price last confirmed 16 days ago

B+

Retailer 18

$3,134 NZD

$1,766 USD

View

B+

Retailer 19

$3,148 NZD

$1,774 USD

View

Retailer 20

$3,241 NZD

$1,827 USD

View

Retailer 21

$3,252 NZD

$1,833 USD

View

B+

Retailer 22

$3,427 NZD

£1,521 GBP

View

Retailer 23

$6,015 NZD

$3,390 USD

View

Most Expensive

Brilliant Earth

18396284Y · Oct 31

$6,405 NZD

$3,610 USD

View

23 more retailers have this diamond

Prices start from $758 NZDSave up to $5,648 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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