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 $1,510 NZD
$848 USD
As of October 30, 2026
Save $17,470 NZD (92%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $18,980 NZD 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 $1,510 to $18,980, a $17,470 spread on the same certified stone. Brilliant Earth lists it at $18,980. 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

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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: $18,980 NZD|Low: $1,510 NZD|High: $19,568 NZD|Avg: $5,822 NZD|-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$1,510 NZD
Retailer 3$1,736 NZD
Retailer 15$2,190 NZD
Retailer 6$2,217 NZD
Retailer 8$2,397 NZD
Retailer 14$2,970 NZD
Retailer 5$3,292 NZD
Retailer 16$4,117 NZD
Retailer 10$4,585 NZD
Retailer 4$4,692 NZD
Retailer 12$5,054 NZD
Retailer 13$5,432 NZD
Retailer 11$6,587 NZD
Retailer 7$8,848 NZD
Retailer 9$13,407 NZD
Brilliant Earth$18,980 NZD

34 data points across 16 retailers

16 retailers$1,510 NZD to $18,980 NZD

A
Cheapest Retailer
-
$1,510 NZD
$848 USD
A
Retailer 2
-
$1,736 NZD
$975 USD
View
A
Retailer 3
-
$2,190 NZD
$1,230 USD
View
A
Retailer 4
-
$2,217 NZD
$1,245 USD
View
A
Retailer 5
-
$2,397 NZD
$1,346 USD
View
Final sale: no returns
A
Retailer 6
-
$2,970 NZD
$1,668 USD
View
A
Retailer 7
-
$3,292 NZD
€1,761 EUR
View
A
Retailer 8
-
$4,117 NZD
$2,312 USD
View
A
Retailer 9
-
$4,585 NZD
$2,575 USD
View
Retailer 10
-
$4,692 NZD
A$4,054 AUD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$5,054 NZD
$2,838 USD
View
B+
Retailer 12
-
$5,432 NZD
$3,051 USD
View
B+
Retailer 13
-
$6,587 NZD
£2,913 GBP
View
Retailer 14
-
$8,848 NZD
A$7,645 AUD
View
Price last confirmed 21 days ago
B
Retailer 15
-
$13,407 NZD
$7,530 USD
View
Most Expensive
B
Brilliant Earth
7451581Y · Oct 29
$18,980 NZD
$10,660 USD
View
15 more retailers have this diamond
Prices start from $1,510 NZDSave up to $17,470 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.

A
3.23ct Radiant
$1,510 NZD