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Round|Lab Grown|IGI

3.06ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG589309990

Shape and cutting style on the report: Round brilliant

Certificate IGI LG589309990

Diamond specifications and retailer prices

From $1,274 AUD
$895 USD
As of October 29, 2026
Save $14,855 AUD (92%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $16,129 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.06ct lab-grown round diamond

This 3.06ct lab-grown round 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 LG589309990 or 589309990. Listed at 24 retailers as of October 29, 2026, with prices from $1,274 to $16,129, a $14,855 spread on the same certified stone. Brilliant Earth lists it at $16,129. 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

3.06
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589309990
Dimensions9.29 × 9.33 × 5.68 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
9.29 mm9.33 mm3.06 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589309990
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.9%

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 29
Current: $16,129 AUD|Low: $1,092 AUD|High: $16,129 AUD|Avg: $3,484 AUD
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
October 30, 2026
Retailer 16$1,137 AUD
Retailer 9$1,274 AUD
Retailer 5$1,320 AUD
Retailer 17$1,320 AUD
Retailer 2$1,783 AUD
Retailer 8$1,849 AUD
Retailer 4$2,131 AUD
Retailer 12$2,135 AUD
Retailer 10$2,234 AUD
Retailer 15$3,139 AUD
Retailer 14$3,288 AUD
Retailer 11$3,384 AUD
Retailer 3$4,130 AUD
Retailer 6$4,341 AUD
Retailer 13$5,469 AUD
Retailer 7$6,131 AUD
Brilliant Earth$16,129 AUD

45 data points across 17 retailers

24 retailers$1,274 AUD to $16,129 AUD

Retailer 1
-
$1,137 AUD
$799 USD
Price last confirmed 20 days ago
Retailer 2
-
$1,239 AUD
$870 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,274 AUD
$895 USD
View
Final sale: no returns
Retailer 4
-
$1,320 AUD
$927 USD
View
Price last confirmed 13 days ago
Retailer 5
-
$1,320 AUD
$927 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,783 AUD
£986 GBP
View
A
Retailer 7
-
$1,849 AUD
$1,299 USD
View
A
Retailer 8
-
$2,131 AUD
$1,497 USD
View
A
Retailer 9
-
$2,135 AUD
$1,500 USD
View
A
Retailer 10
-
$2,234 AUD
£1,236 GBP
View
A
Retailer 11
-
$2,365 AUD
$1,661 USD
View
A
Retailer 12
-
$3,139 AUD
$2,205 USD
View
Retailer 13
-
$3,288 AUD
View
Price last confirmed 9 days ago
A
Retailer 14
-
$3,384 AUD
ZAR 38,397 ZAR
View
A
Retailer 15
-
$4,054 AUD
$2,848 USD
View
Retailer 16
-
$4,097 AUD
$2,878 USD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
$4,130 AUD
$2,901 USD
View
B+
Retailer 18
-
$4,341 AUD
$3,049 USD
View
B+
Retailer 19
-
$4,384 AUD
$3,079 USD
View
B+
Retailer 20
-
$5,197 AUD
$3,651 USD
View
B+
Retailer 21
-
$5,469 AUD
£3,025 GBP
View
B+
Retailer 22
-
$6,131 AUD
$4,307 USD
View
B
Retailer 23
-
$10,108 AUD
$7,100 USD
View
Most Expensive
B
Brilliant Earth
18396914Y · Oct 29
$16,129 AUD
$11,330 USD
View
23 more retailers have this diamond
Prices start from $1,274 AUDSave up to $14,855 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
3.06ct Round
$1,274 AUD