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Cushion|Lab Grown|IGI

3.05ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG754507886

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG754507886

Diamond specifications and retailer prices

From $1,919 AUD
$1,348 USD
As of October 31, 2026
Save $11,363 AUD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $13,282 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.05ct lab-grown cushion diamond

This 3.05ct 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 LG754507886 or 754507886. Listed at 22 retailers as of October 31, 2026, with prices from $1,919 to $13,282, a $11,363 spread on the same certified stone. Do Amore Diamonds lists it at $13,282. 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

3.05
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507886
Dimensions8.39 × 8.39 × 5.52 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
8.39 mm8.39 mm3.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507886
Side View
Table 58.0%Crown 37.8°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 65.8%

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: $13,282 AUD|Low: $1,919 AUD|High: $15,332 AUD|Avg: $5,725 AUD|-13.4%
Do Amore Diamonds
Retailer 2
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Retailer 22
October 31, 2026
Retailer 18$1,919 AUD
Retailer 17$2,107 AUD
Retailer 20$2,115 AUD
Retailer 11$2,143 AUD
Retailer 8$2,442 AUD
Retailer 16$2,756 AUD
Retailer 9$2,893 AUD
Retailer 13$3,076 AUD
Retailer 22$3,318 AUD
Retailer 3$4,449 AUD
Retailer 10$5,000 AUD
Retailer 4$5,294 AUD
Retailer 7$5,381 AUD
Retailer 19$5,510 AUD
Retailer 15$5,731 AUD
Retailer 5$6,189 AUD
Retailer 21$6,806 AUD
Retailer 6$7,062 AUD
Retailer 12$7,680 AUD
Retailer 14$10,122 AUD
Retailer 2$10,912 AUD
Do Amore Diamonds$13,282 AUD

30 data points across 22 retailers

22 retailers$1,919 AUD to $13,282 AUD

A
Cheapest Retailer
-
$1,919 AUD
$1,348 USD
Final sale: no returns
A
Retailer 2
-
$2,107 AUD
$1,480 USD
View
A
Retailer 3
-
$2,115 AUD
£1,170 GBP
View
A
Retailer 4
-
$2,143 AUD
$1,505 USD
View
A
Retailer 5
-
$2,442 AUD
HK$13,400 HKD
View
A
Retailer 6
-
$2,756 AUD
£1,524 GBP
View
A
Retailer 7
-
$2,893 AUD
$2,032 USD
View
A
Retailer 8
-
$3,076 AUD
€2,058 EUR
View
A
Retailer 9
-
$3,318 AUD
$2,331 USD
View
A
Retailer 10
-
$4,449 AUD
ZAR 50,488 ZAR
View
Retailer 11
-
$5,000 AUD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$5,294 AUD
£2,928 GBP
View
A
Retailer 13
-
$5,381 AUD
$3,780 USD
View
A
Retailer 14
-
$5,510 AUD
$3,871 USD
View
B+
Retailer 15
-
$5,731 AUD
$4,026 USD
View
B+
Retailer 16
-
$6,189 AUD
£3,423 GBP
View
B+
Retailer 17
-
$6,806 AUD
$4,781 USD
View
B+
Retailer 18
-
$7,062 AUD
SGD 6,704 SGD
View
Retailer 19
-
$7,680 AUD
$5,395 USD
View
Price last confirmed 10 days ago
B
Retailer 20
-
$10,122 AUD
$7,110 USD
View
B+
Retailer 21
-
$10,912 AUD
View
Most Expensive
B
Do Amore Diamonds
27-FB165B1E5 · Oct 31
$13,282 AUD
$9,330 USD
View
21 more retailers have this diamond
Prices start from $1,919 AUDSave up to $11,363 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
3.05ct Cushion
$1,919 AUD