Radiant|Lab Grown|IGI

5.08ct E SI1 Radiant Lab Grown Diamond

VG • E/SI1 • IGI LG847661376

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

Certificate IGI LG847661376

Diamond specifications and retailer prices

From $1,202 AUD
HK$6,600 HKD
As of October 30, 2026
Save $5,388 AUD (82%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,590 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.08ct lab-grown radiant diamond

This 5.08ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG847661376 or 847661376. Listed at 8 retailers as of October 29, 2026, with prices from $1,202 to $6,590, a $5,388 spread on the same certified stone. Brilliant Earth lists it at $6,590. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

5.08
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847661376
Dimensions11.92 × 8.69 × 5.71 mm
L/W Ratio1.37
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.92 mm8.69 mm5.08 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847661376
Side View
Table 64.0%Crown 43.1°Girdle: MediumPavilion 33.1°Culet: NoneDepth 65.7%

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 30
Current: $6,590 AUD|Low: $996 AUD|High: $6,590 AUD|Avg: $2,841 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 28, 2026
Retailer 8$996 AUD
Retailer 7$1,202 AUD
Retailer 5$1,288 AUD
Retailer 4$1,711 AUD
Retailer 3$2,640 AUD
Retailer 9$3,485 AUD
Retailer 2$4,220 AUD
Retailer 6$4,360 AUD
Brilliant Earth$6,590 AUD

4 data points across 9 retailers

8 retailers$1,202 AUD to $6,590 AUD

A
Cheapest Retailer
-
$1,202 AUD
HK$6,600 HKD
A
Retailer 2
-
$1,288 AUD
$905 USD
View
B+
Retailer 3
-
$1,711 AUD
£946 GBP
View
B+
Retailer 4
-
$2,640 AUD
$1,855 USD
View
B
Retailer 5
-
$3,485 AUD
SGD 3,309 SGD
View
B
Retailer 6
-
$4,220 AUD
$2,965 USD
View
B
Retailer 7
-
$4,360 AUD
£2,412 GBP
View
Most Expensive
B
Brilliant Earth
22251487A · Oct 29
$6,590 AUD
$4,630 USD
View
7 more retailers have this diamond
Prices start from $1,202 AUDSave up to $5,388 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
5.08ct Radiant
$1,202 AUD