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 $906 USD
As of October 23, 2026
Save $4,347 USD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,253 USD 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 $906 to $5,253, a $4,347 spread on the same certified stone. Adiamor lists it at $5,253. 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
Color
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: $5,253 USD|Low: $870 USD|High: $5,253 USD|Avg: $2,222 USD
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$906 USD
Retailer 14$986 USD
Retailer 7$1,014 USD
Retailer 3$1,051 USD
Retailer 6$1,216 USD
Retailer 2$1,225 USD
Retailer 10$1,254 USD
Retailer 8$1,525 USD
Retailer 13$1,592 USD
Retailer 11$1,608 USD
Retailer 5$1,686 USD
Retailer 4$2,145 USD
Retailer 15$2,955 USD
Retailer 9$3,531 USD
Retailer 12$3,569 USD
Retailer 17$5,035 USD
Adiamor$5,253 USD

36 data points across 17 retailers

17 retailers$906 USD to $5,253 USD

A
Cheapest Retailer
-
$906 USD
A
Retailer 2
-
$986 USD
View
A
Retailer 3
-
$1,014 USD
View
Final sale: no returns
A
Retailer 4
-
$1,051 USD
View
A
Retailer 5
-
$1,216 USD
HK$9,500 HKD
View
A
Retailer 6
-
$1,225 USD
View
A
Retailer 7
-
$1,254 USD
£988 GBP
View
A
Retailer 8
-
$1,525 USD
View
A
Retailer 9
-
$1,592 USD
€1,516 EUR
View
A
Retailer 10
-
$1,608 USD
£1,266 GBP
View
B+
Retailer 11
-
$1,686 USD
View
B+
Retailer 12
-
$2,145 USD
View
B+
Retailer 13
-
$2,955 USD
View
B+
Retailer 14
-
$3,531 USD
SGD 4,771 SGD
View
B+
Retailer 15
-
$3,569 USD
£2,810 GBP
View
B
Retailer 16
-
$5,035 USD
View
Most Expensive
B
Adiamor
D-81218295 · Oct 30
$5,253 USD
View
16 more retailers have this diamond
Prices start from $906 USDSave up to $4,347 USD

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
$906 USD