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Radiant|Lab Grown|IGI

3.23ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG583323888

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

Certificate IGI LG583323888

Diamond specifications and retailer prices

From $1,207 AUD
$848 USD
As of October 30, 2026
Save $13,966 AUD (92%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $15,173 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.23ct lab-grown radiant diamond

This 3.23ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG583323888 or 583323888. Listed at 16 retailers as of October 29, 2026, with prices from $1,207 to $15,173, a $13,966 spread on the same certified stone. Brilliant Earth lists it at $15,173. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.23
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG583323888
Dimensions10.15 × 7.16 × 5.11 mm
L/W Ratio1.42
Culet sizePointed
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
Top View
10.15 mm7.16 mm3.23 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG583323888
Side View
Table 65.0%Crown 40°Girdle: MediumPavilion 34.9°Culet: NoneDepth 71.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $15,173 AUD|Low: $1,207 AUD|High: $15,643 AUD|Avg: $4,654 AUD|-3.0%
Brilliant Earth
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
October 30, 2026
Retailer 2$1,207 AUD
Retailer 3$1,388 AUD
Retailer 15$1,751 AUD
Retailer 6$1,772 AUD
Retailer 8$1,916 AUD
Retailer 14$2,374 AUD
Retailer 5$2,632 AUD
Retailer 16$3,291 AUD
Retailer 10$3,665 AUD
Retailer 4$3,751 AUD
Retailer 12$4,040 AUD
Retailer 13$4,343 AUD
Retailer 11$5,266 AUD
Retailer 7$7,073 AUD
Retailer 9$10,718 AUD
Brilliant Earth$15,173 AUD

34 data points across 16 retailers

16 retailers$1,207 AUD to $15,173 AUD

A
Cheapest Retailer
-
$1,207 AUD
$848 USD
A
Retailer 2
-
$1,388 AUD
$975 USD
View
A
Retailer 3
-
$1,751 AUD
$1,230 USD
View
A
Retailer 4
-
$1,772 AUD
$1,245 USD
View
A
Retailer 5
-
$1,916 AUD
$1,346 USD
View
Final sale: no returns
A
Retailer 6
-
$2,374 AUD
$1,668 USD
View
A
Retailer 7
-
$2,632 AUD
€1,761 EUR
View
A
Retailer 8
-
$3,291 AUD
$2,312 USD
View
A
Retailer 9
-
$3,665 AUD
$2,575 USD
View
Retailer 10
-
$3,751 AUD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$4,040 AUD
$2,838 USD
View
B+
Retailer 12
-
$4,343 AUD
$3,051 USD
View
B+
Retailer 13
-
$5,266 AUD
£2,913 GBP
View
Retailer 14
-
$7,073 AUD
View
Price last confirmed 21 days ago
B
Retailer 15
-
$10,718 AUD
$7,530 USD
View
Most Expensive
B
Brilliant Earth
7451581Y · Oct 29
$15,173 AUD
$10,660 USD
View
15 more retailers have this diamond
Prices start from $1,207 AUDSave up to $13,966 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
3.23ct Radiant
$1,207 AUD