Cushion|Lab Grown|IGI

3.05ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG840609765

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG840609765

Diamond specifications and retailer prices

From $6,045 AUD
$4,246 USD
As of October 31, 2026
Save $17,548 AUD (74%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $23,592 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 LG840609765 or 840609765. Listed at 10 retailers as of October 30, 2026, with prices from $6,045 to $23,592, a $17,548 spread on the same certified stone. Taylor and Hart lists it at $23,592. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840609765
Dimensions10.79 × 7.64 × 4.66 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.79 mm7.64 mm3.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840609765
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 37.4°Culet: LargeDepth 61.0%

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 31
Current: $10,858 AUD|Low: $6,045 AUD|High: $23,592 AUD|Avg: $13,772 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Taylor and Hart
October 31, 2026
Retailer 8$6,045 AUD
Retailer 2$6,418 AUD
Retailer 3$8,730 AUD
Retailer 9$9,840 AUD
Retailer 1$10,858 AUD
Retailer 4$15,432 AUD
Retailer 6$15,531 AUD
Retailer 5$16,220 AUD
Retailer 7$22,952 AUD
Taylor and Hart$23,592 AUD

12 data points across 10 retailers

10 retailers$6,045 AUD to $23,592 AUD

A
Cheapest Retailer
-
$6,045 AUD
$4,246 USD
B+
Retailer 2
-
$6,418 AUD
$4,508 USD
View
Final sale: no returns
B+
Retailer 3
-
$8,730 AUD
£4,829 GBP
View
B
Retailer 4
-
$9,840 AUD
$6,912 USD
View
B+
Retailer 5
-
$10,858 AUD
€7,264 EUR
View
B
Retailer 6
-
$15,432 AUD
ZAR 175,121 ZAR
View
B
Retailer 7
-
$15,531 AUD
$10,910 USD
View
B
Retailer 8
-
$16,220 AUD
$11,394 USD
View
B
Retailer 9
-
$22,952 AUD
SGD 21,787 SGD
View
Most Expensive
B
Taylor and Hart
L5T8QL2 · Oct 30
$23,592 AUD
$16,572 USD
View
9 more retailers have this diamond
Prices start from $6,045 AUDSave up to $17,548 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
$6,045 AUD