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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 $1,290 AUD
$906 USD
As of October 23, 2026
Save $6,188 AUD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,477 AUD at Adiamor · As of October 30, 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 17 retailers as of October 23, 2026, with prices from $1,290 to $7,477, a $6,188 spread on the same certified stone. Adiamor lists it at $7,477. 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
E
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
Top View
14.53 mm9.93 mm8.08 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821658180
Side View
Table 65.0%Crown 43.5°Girdle: MediumPavilion 32.4°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
A
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 23
Current: $7,477 AUD|Low: $1,238 AUD|High: $7,477 AUD|Avg: $3,163 AUD
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 28, 2026
Retailer 16$1,290 AUD
Retailer 14$1,403 AUD
Retailer 7$1,443 AUD
Retailer 3$1,496 AUD
Retailer 6$1,731 AUD
Retailer 2$1,744 AUD
Retailer 10$1,786 AUD
Retailer 8$2,171 AUD
Retailer 13$2,266 AUD
Retailer 11$2,289 AUD
Retailer 5$2,400 AUD
Retailer 4$3,053 AUD
Retailer 15$4,206 AUD
Retailer 9$5,025 AUD
Retailer 12$5,080 AUD
Retailer 17$7,167 AUD
Adiamor$7,477 AUD

36 data points across 17 retailers

17 retailers$1,290 AUD to $7,477 AUD

A
Cheapest Retailer
-
$1,290 AUD
$906 USD
A
Retailer 2
-
$1,403 AUD
$986 USD
View
A
Retailer 3
-
$1,443 AUD
$1,014 USD
View
Final sale: no returns
A
Retailer 4
-
$1,496 AUD
$1,051 USD
View
A
Retailer 5
-
$1,731 AUD
HK$9,500 HKD
View
A
Retailer 6
-
$1,744 AUD
$1,225 USD
View
A
Retailer 7
-
$1,786 AUD
£988 GBP
View
A
Retailer 8
-
$2,171 AUD
$1,525 USD
View
A
Retailer 9
-
$2,266 AUD
€1,516 EUR
View
A
Retailer 10
-
$2,289 AUD
£1,266 GBP
View
B+
Retailer 11
-
$2,400 AUD
$1,686 USD
View
B+
Retailer 12
-
$3,053 AUD
$2,145 USD
View
B+
Retailer 13
-
$4,206 AUD
$2,955 USD
View
B+
Retailer 14
-
$5,025 AUD
SGD 4,771 SGD
View
B+
Retailer 15
-
$5,080 AUD
£2,810 GBP
View
B
Retailer 16
-
$7,167 AUD
$5,035 USD
View
Most Expensive
B
Adiamor
D-81218295 · Oct 30
$7,477 AUD
$5,253 USD
View
16 more retailers have this diamond
Prices start from $1,290 AUDSave up to $6,188 AUD

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.

A
8.08ct Radiant
$1,290 AUD