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Cushion|Lab Grown|IGI

3.09ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG756522143

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG756522143

Diamond specifications and retailer prices

From $2,201 AUD
$1,546 USD
As of October 29, 2026
Save $12,434 AUD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $14,635 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.09ct lab-grown cushion diamond

This 3.09ct 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 LG756522143 or 756522143. Listed at 17 retailers as of October 29, 2026, with prices from $2,201 to $14,635, a $12,434 spread on the same certified stone. Brilliant Earth lists it at $14,635. 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

3.09
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756522143
Dimensions7.30 × 7.30 × 4.93 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.30 mm7.30 mm3.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756522143
Side View
Table 65.0%Crown 35.8°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 67.5%

Caratlytics Score

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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: $14,635 AUD|Low: $2,201 AUD|High: $15,090 AUD|Avg: $5,657 AUD|-0.1%
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 31, 2026
Retailer 5$2,201 AUD
Retailer 8$2,356 AUD
Retailer 17$2,527 AUD
Retailer 15$2,598 AUD
Retailer 2$3,161 AUD
Retailer 7$3,371 AUD
Retailer 12$4,127 AUD
Retailer 3$4,526 AUD
Retailer 14$5,157 AUD
Retailer 11$5,294 AUD
Retailer 10$5,402 AUD
Retailer 4$6,144 AUD
Retailer 13$6,545 AUD
Retailer 16$7,062 AUD
Retailer 6$8,015 AUD
Retailer 9$11,197 AUD
Brilliant Earth$14,635 AUD

36 data points across 17 retailers

17 retailers$2,201 AUD to $14,635 AUD

A
Cheapest Retailer
-
$2,201 AUD
$1,546 USD
Final sale: no returns
Retailer 2
-
$2,356 AUD
$1,655 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
$2,527 AUD
$1,775 USD
View
A
Retailer 4
-
$2,598 AUD
$1,825 USD
View
A
Retailer 5
-
$3,161 AUD
£1,748 GBP
View
A
Retailer 6
-
$3,371 AUD
$2,368 USD
View
A
Retailer 7
-
$4,127 AUD
€2,761 EUR
View
A
Retailer 8
-
$4,526 AUD
$3,179 USD
View
Retailer 9
-
$5,157 AUD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$5,294 AUD
ZAR 60,072 ZAR
View
A
Retailer 11
-
$5,402 AUD
£2,988 GBP
View
A
Retailer 12
-
$6,144 AUD
$4,316 USD
View
B+
Retailer 13
-
$6,545 AUD
£3,620 GBP
View
B+
Retailer 14
-
$7,062 AUD
$4,961 USD
View
B+
Retailer 15
-
$8,015 AUD
$5,630 USD
View
Retailer 16
-
$11,197 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
17439238A · Oct 29
$14,635 AUD
$10,280 USD
View
16 more retailers have this diamond
Prices start from $2,201 AUDSave up to $12,434 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
3.09ct Cushion
$2,201 AUD