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Round|Lab Grown|IGI

3.42ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG825634506

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825634506

Diamond specifications and retailer prices

From $2,636 AUD
$1,852 USD
As of October 29, 2026
Save $9,363 AUD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $11,999 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.42ct lab-grown round diamond

This 3.42ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825634506 or 825634506. Listed at 21 retailers as of October 29, 2026, with prices from $2,636 to $11,999, a $9,363 spread on the same certified stone. Brilliant Earth lists it at $11,999. 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

3.42
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825634506
Dimensions9.68 × 9.73 × 5.97 mm
L/W Ratio1.01
Girdle conditionFaceted
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
9.68 mm9.73 mm3.42 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825634506
Side View
Table 55.0%Crown 33°Girdle: MediumPavilion 41°Culet: NoneDepth 61.6%

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: $11,999 AUD|Low: $2,260 AUD|High: $12,426 AUD|Avg: $5,168 AUD|-3.4%
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
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 4$2,354 AUD
Retailer 10$2,636 AUD
Retailer 6$2,732 AUD
Retailer 9$2,732 AUD
Retailer 11$3,140 AUD
Retailer 2$3,341 AUD
Retailer 12$3,855 AUD
Retailer 3$4,107 AUD
Retailer 16$4,107 AUD
Retailer 8$4,108 AUD
Retailer 15$4,316 AUD
Retailer 18$4,709 AUD
Retailer 13$6,341 AUD
Retailer 17$7,026 AUD
Retailer 5$7,102 AUD
Retailer 14$7,842 AUD
Retailer 7$8,303 AUD
Retailer 19$9,572 AUD
Brilliant Earth$11,999 AUD

28 data points across 19 retailers

21 retailers$2,636 AUD to $11,999 AUD

Retailer 1
-
$2,354 AUD
$1,654 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$2,636 AUD
$1,852 USD
View
Final sale: no returns
Retailer 3
-
$2,732 AUD
$1,919 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$2,732 AUD
$1,919 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$3,140 AUD
$2,206 USD
View
A
Retailer 6
-
$3,341 AUD
£1,848 GBP
View
A
Retailer 7
-
$3,855 AUD
£2,133 GBP
View
A
Retailer 8
-
$4,107 AUD
$2,885 USD
View
B+
Retailer 9
-
$4,107 AUD
$2,885 USD
View
A
Retailer 10
-
$4,108 AUD
$2,886 USD
View
A
Retailer 11
-
$4,316 AUD
€2,888 EUR
View
B+
Retailer 12
-
$4,709 AUD
$3,308 USD
View
Retailer 13
-
$5,119 AUD
$3,596 USD
View
Price last confirmed 22 days ago
B+
Retailer 14
-
$6,341 AUD
ZAR 71,973 ZAR
View
B+
Retailer 15
-
$7,026 AUD
$4,936 USD
View
B+
Retailer 16
-
$7,102 AUD
$4,990 USD
View
B+
Retailer 17
-
$7,842 AUD
£4,338 GBP
View
B
Retailer 18
-
$8,303 AUD
$5,833 USD
View
B+
Retailer 19
-
$9,572 AUD
$6,725 USD
View
B
Retailer 20
-
$9,586 AUD
$6,735 USD
View
Most Expensive
B
Brilliant Earth
21580661A · Oct 29
$11,999 AUD
$8,430 USD
View
20 more retailers have this diamond
Prices start from $2,636 AUDSave up to $9,363 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
3.42ct Round
$2,636 AUD