Radiant|Lab Grown|IGI

8.08ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG821658180

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

Certificate IGI LG821658180

Diamond specifications and retailer prices

From $1,865 NZD

$1,051 USD

As of October 25, 2026

Save $7,456 NZD (80%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $9,320 NZD at Adiamor · As of October 31, 2026

View at Adiamor

About this 8.08ct lab-grown radiant diamond

This 8.08ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG821658180 or 821658180. Listed at 16 retailers as of October 25, 2026, with prices from $1,865 to $9,320, a $7,456 spread on the same certified stone. Adiamor lists it at $9,320. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

8.08

Carat

Colour

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle43.5°

Pavilion angle32.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG821658180

Dimensions14.53 × 9.93 × 6.47 mm

L/W Ratio1.46

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 LG821658180

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: Oct 25

Current: $9,320 NZD|Low: $1,544 NZD|High: $9,320 NZD|Avg: $3,962 NZD

Adiamor

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

October 31, 2026

Retailer 16$1,608 NZD

Retailer 14$1,749 NZD

Retailer 7$1,799 NZD

Retailer 3$1,865 NZD

Retailer 6$2,158 NZD

Retailer 10$2,174 NZD

Retailer 11$2,226 NZD

Retailer 8$2,706 NZD

Retailer 2$2,832 NZD

Retailer 12$2,854 NZD

Retailer 5$2,991 NZD

Retailer 4$3,806 NZD

Retailer 15$5,243 NZD

Retailer 9$6,264 NZD

Retailer 13$6,332 NZD

Retailer 17$8,934 NZD

Adiamor$9,320 NZD

36 data points across 17 retailers

16 retailers$1,865 NZD to $9,320 NZD

Retailer 1

$1,608 NZD

$906 USD

Price last confirmed 8 days ago

Retailer 2

$1,749 NZD

$986 USD

View

Price last confirmed 7 days ago

Retailer 3

$1,865 NZD

$1,051 USD

View

Retailer 4

$2,158 NZD

HK$9,500 HKD

View

Retailer 5

$2,174 NZD

$1,225 USD

View

Retailer 6

$2,226 NZD

£988 GBP

View

Retailer 7

$2,706 NZD

$1,525 USD

View

Retailer 8

$2,832 NZD

€1,520 EUR

View

Retailer 9

$2,854 NZD

£1,266 GBP

View

B+

Retailer 10

$2,991 NZD

$1,686 USD

View

B+

Retailer 11

$3,806 NZD

$2,145 USD

View

B+

Retailer 12

$5,243 NZD

$2,955 USD

View

Retailer 13

$6,264 NZD

SGD 4,771 SGD

View

B+

Retailer 14

$6,332 NZD

£2,810 GBP

View

Retailer 15

$8,934 NZD

$5,035 USD

View

Most Expensive

Adiamor

D-81218295 · Oct 31

$9,320 NZD

$5,253 USD

View

15 more retailers have this diamond

Prices start from $1,865 NZDSave up to $7,456 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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8.08ct Radiant

$1,865 NZD