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Cushion|Lab Grown|IGI

3.06ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG680571004

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG680571004

Diamond specifications and retailer prices

From $1,872 AUD
$1,315 USD
As of October 31, 2026
Save $8,378 AUD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,250 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.06ct lab-grown cushion diamond

This 3.06ct lab-grown cushion 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 LG680571004 or 680571004. Listed at 18 retailers as of October 31, 2026, with prices from $1,872 to $10,250, a $8,378 spread on the same certified stone. Brilliant Earth lists it at $10,250. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680571004
Dimensions8.32 × 8.32 × 5.37 mm
L/W Ratio1.00
Girdle conditionFaceted
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
8.32 mm8.32 mm3.06 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680571004
Side View
Table 62.0%Crown 37°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 64.5%

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 31
Current: $10,250 AUD|Low: $1,872 AUD|High: $10,563 AUD|Avg: $4,743 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
Retailer 17
Retailer 18
November 1, 2026
Retailer 13$1,872 AUD
Retailer 5$1,939 AUD
Retailer 17$2,164 AUD
Retailer 2$2,813 AUD
Retailer 3$2,916 AUD
Retailer 12$3,091 AUD
Retailer 14$3,449 AUD
Retailer 4$4,353 AUD
Retailer 11$4,379 AUD
Retailer 15$4,503 AUD
Retailer 7$5,008 AUD
Retailer 10$5,359 AUD
Retailer 6$5,367 AUD
Retailer 9$6,125 AUD
Retailer 16$6,265 AUD
Retailer 8$6,792 AUD
Retailer 18$8,029 AUD
Brilliant Earth$10,250 AUD

36 data points across 18 retailers

18 retailers$1,872 AUD to $10,250 AUD

A
Cheapest Retailer
-
$1,872 AUD
$1,315 USD
Final sale: no returns
Retailer 2
-
$1,939 AUD
$1,362 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$2,164 AUD
$1,520 USD
View
A
Retailer 4
-
$2,813 AUD
£1,556 GBP
View
A
Retailer 5
-
$2,916 AUD
$2,048 USD
View
A
Retailer 6
-
$3,091 AUD
€2,068 EUR
View
A
Retailer 7
-
$3,449 AUD
$2,423 USD
View
A
Retailer 8
-
$4,353 AUD
$3,058 USD
View
A
Retailer 9
-
$4,379 AUD
View
A
Retailer 10
-
$4,503 AUD
ZAR 51,099 ZAR
View
A
Retailer 11
-
$5,008 AUD
$3,518 USD
View
A
Retailer 12
-
$5,359 AUD
£2,964 GBP
View
A
Retailer 13
-
$5,367 AUD
$3,770 USD
View
B+
Retailer 14
-
$6,125 AUD
$4,303 USD
View
B+
Retailer 15
-
$6,265 AUD
£3,465 GBP
View
B+
Retailer 16
-
$6,792 AUD
$4,771 USD
View
Retailer 17
-
$8,029 AUD
$5,640 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
13210499A · Oct 31
$10,250 AUD
$7,200 USD
View
17 more retailers have this diamond
Prices start from $1,872 AUDSave up to $8,378 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 Cushion
$1,872 AUD