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Radiant|Lab Grown|IGI

3.23ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG821662154

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

Certificate IGI LG821662154

Diamond specifications and retailer prices

From $1,735 AUD
$1,219 USD
As of October 29, 2026
Save $4,399 AUD (72%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,135 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG821662154 or 821662154. Listed at 18 retailers as of October 29, 2026, with prices from $1,735 to $6,135, a $4,399 spread on the same certified stone. Taylor and Hart lists it at $6,135. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle21.4°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821662154
Dimensions10.16 × 7.26 × 4.90 mm
L/W Ratio1.40
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
10.16 mm7.26 mm3.23 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821662154
Side View
Table 61.0%Crown 21.4°Girdle: ThickPavilion 34.7°Culet: NoneDepth 67.5%

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 29
Current: $3,650 AUD|Low: $1,510 AUD|High: $6,238 AUD|Avg: $3,768 AUD|-1.6%
Retailer 1
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
Taylor and Hart
October 31, 2026
Retailer 4$1,576 AUD
Retailer 13$1,735 AUD
Retailer 5$1,829 AUD
Retailer 11$2,050 AUD
Retailer 8$2,607 AUD
Retailer 14$2,866 AUD
Retailer 9$3,066 AUD
Retailer 1$3,650 AUD
Retailer 2$4,126 AUD
Retailer 10$4,178 AUD
Retailer 6$4,925 AUD
Retailer 12$5,210 AUD
Retailer 7$5,224 AUD
Retailer 3$5,869 AUD
Taylor and Hart$6,135 AUD

43 data points across 15 retailers

18 retailers$1,735 AUD to $6,135 AUD

Retailer 1
-
$1,576 AUD
$1,107 USD
Price last confirmed 11 days ago
A
Retailer 2
-
$1,735 AUD
$1,219 USD
View
Final sale: no returns
Retailer 3
-
$1,801 AUD
$1,265 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$1,829 AUD
$1,285 USD
View
Price last confirmed 13 days ago
Retailer 5
-
$1,829 AUD
$1,285 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$2,050 AUD
$1,440 USD
View
A
Retailer 7
-
$2,607 AUD
£1,442 GBP
View
A
Retailer 8
-
$2,866 AUD
$2,013 USD
View
B+
Retailer 9
-
$3,066 AUD
$2,154 USD
View
Retailer 10
-
$3,428 AUD
$2,408 USD
View
Price last confirmed 14 days ago
B+
Retailer 11
-
$3,650 AUD
$2,564 USD
View
Retailer 12
-
$4,126 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$4,178 AUD
ZAR 47,410 ZAR
View
Retailer 14
-
$4,925 AUD
£2,724 GBP
View
Price last confirmed 11 days ago
B
Retailer 15
-
$5,210 AUD
$3,660 USD
View
B
Retailer 16
-
$5,224 AUD
$3,669 USD
View
Retailer 17
-
$5,869 AUD
£3,246 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Taylor and Hart
FR3UW25 · Oct 30
$6,135 AUD
$4,309 USD
View
17 more retailers have this diamond
Prices start from $1,735 AUDSave up to $4,399 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
$1,735 AUD