Radiant|Lab Grown|IGI

1.15ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804650183

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

Certificate IGI LG804650183

Diamond specifications and retailer prices

From $419 NZD

$236 USD

As of November 2, 2026

Save $3,935 NZD (90%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: $5,474 NZD at Brilliant Earth · As of September 28, 2026

View at Brilliant Earth

About this 1.15ct lab-grown radiant diamond

This 1.15ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804650183 or 804650183. Listed at 24 retailers as of November 1, 2026, with a 938% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle45.9°

Pavilion angle39.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG804650183

Dimensions7.55 × 5.14 × 3.54 mm

L/W Ratio1.47

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 LG804650183

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: $3,412 NZD|Low: $419 NZD|High: $5,296 NZD|Avg: $1,500 NZD|-35.6%

Brilliant Earth

Retailer 2

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Retailer 5

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November 2, 2026

Retailer 13$419 NZD

Retailer 20$505 NZD

Retailer 16$521 NZD

Retailer 2$536 NZD

Retailer 9$540 NZD

Retailer 19$540 NZD

Retailer 10$898 NZD

Retailer 4$908 NZD

Retailer 15$932 NZD

Retailer 3$960 NZD

Retailer 14$1,025 NZD

Retailer 18$1,039 NZD

Retailer 6$1,248 NZD

Retailer 8$1,736 NZD

Retailer 5$1,742 NZD

Retailer 7$1,828 NZD

Retailer 17$2,165 NZD

Retailer 12$2,263 NZD

Brilliant Earth$3,412 NZD

Retailer 11$4,354 NZD

27 data points across 20 retailers

24 retailers$419 NZD to $4,354 NZD

Cheapest Retailer

$419 NZD

$236 USD

Retailer 2

$505 NZD

$284 USD

View

Retailer 3

$521 NZD

$293 USD

View

Final sale: no returns

Retailer 4

$536 NZD

£238 GBP

View

Retailer 5

$540 NZD

$304 USD

View

Price last confirmed 8 days ago

Retailer 6

$540 NZD

$304 USD

View

Retailer 7

$898 NZD

$505 USD

View

Price last confirmed 12 days ago

Retailer 8

$908 NZD

$511 USD

View

Retailer 9

$932 NZD

ZAR 8,475 ZAR

View

Retailer 10

$960 NZD

$540 USD

View

Retailer 11

$1,025 NZD

£454 GBP

View

Retailer 12

$1,039 NZD

€557 EUR

View

B+

Retailer 13

$1,248 NZD

$702 USD

View

Retailer 14

$1,724 NZD

$970 USD

View

Price last confirmed 28 days ago

B+

Retailer 15

$1,736 NZD

$977 USD

View

B+

Retailer 16

$1,742 NZD

$980 USD

View

B+

Retailer 17

$1,828 NZD

$1,029 USD

View

B+

Retailer 18

$2,046 NZD

SGD 1,556 SGD

View

B+

Retailer 19

$2,165 NZD

£959 GBP

View

Retailer 20

$2,248 NZD

£996 GBP

View

Price last confirmed 12 days ago

Retailer 21

$2,263 NZD

$1,273 USD

View

Retailer 22

$3,412 NZD

$1,920 USD

View

Retailer 23

$4,354 NZD

$2,450 USD

View

Most Expensive

Brilliant Earth

20528202A · Sep 28

$5,474 NZD

$3,080 USD

View

Price last confirmed 35 days ago

23 more retailers have this diamond

Prices start from $419 NZDSave up to $3,935 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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