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Cushion|Lab Grown|IGI

3.05ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804664705

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

Certificate IGI LG804664705

Diamond specifications and retailer prices

From $3,243 AUD
$2,273 USD
As of November 2, 2026
Save $9,256 AUD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $12,500 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804664705 or 804664705. Listed at 13 retailers as of November 2, 2026, with prices from $3,243 to $12,500, a $9,256 spread on the same certified stone. Brilliant Earth lists it at $12,500. 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
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804664705
Dimensions8.49 × 8.48 × 5.39 mm
L/W Ratio1.00
Girdle conditionFaceted
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
8.49 mm8.48 mm3.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804664705
Side View
Table 60.0%Crown 37.3°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 63.5%

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: Nov 2
Current: $12,500 AUD|Low: $3,243 AUD|High: $18,498 AUD|Avg: $8,987 AUD|-32.2%
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
November 2, 2026
Retailer 10$3,243 AUD
Retailer 9$3,423 AUD
Retailer 13$4,109 AUD
Retailer 6$4,526 AUD
Retailer 8$4,966 AUD
Retailer 2$5,239 AUD
Retailer 3$7,640 AUD
Retailer 5$7,969 AUD
Retailer 11$8,031 AUD
Retailer 4$9,000 AUD
Retailer 7$9,396 AUD
Retailer 12$11,514 AUD
Brilliant Earth$12,500 AUD

36 data points across 13 retailers

13 retailers$3,243 AUD to $12,500 AUD

A
Cheapest Retailer
-
$3,243 AUD
$2,273 USD
A
Retailer 2
-
$3,423 AUD
$2,399 USD
View
A
Retailer 3
-
$4,109 AUD
HK$22,500 HKD
View
A
Retailer 4
-
$4,526 AUD
£2,497 GBP
View
A
Retailer 5
-
$4,966 AUD
$3,480 USD
View
A
Retailer 6
-
$5,239 AUD
€3,497 EUR
View
B+
Retailer 7
-
$7,640 AUD
ZAR 86,494 ZAR
View
Retailer 8
-
$7,969 AUD
$5,585 USD
View
Price last confirmed 14 days ago
B+
Retailer 9
-
$8,031 AUD
$5,628 USD
View
B+
Retailer 10
-
$9,000 AUD
$6,307 USD
View
B+
Retailer 11
-
$9,396 AUD
£5,185 GBP
View
B
Retailer 12
-
$11,514 AUD
$8,070 USD
View
Most Expensive
B
Brilliant Earth
20869509Y · Nov 2
$12,500 AUD
$8,760 USD
View
12 more retailers have this diamond
Prices start from $3,243 AUDSave up to $9,256 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
$3,243 AUD