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Cushion|Lab Grown|IGI

3.05ct G IF Cushion Lab Grown Diamond

EX • G/IF • IGI LG629477689

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG629477689

Diamond specifications and retailer prices

From $2,440 AUD
As of November 4, 2026
Save $5,818 AUD (70%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $8,258 AUD at Taylor and Hart · As of November 4, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG629477689 or 629477689. Listed at 7 retailers as of November 4, 2026, with prices from $2,440 to $8,258, a $5,818 spread on the same certified stone. Taylor and Hart lists it at $8,258. 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
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629477689
Dimensions9.93 × 7.72 × 5.05 mm
L/W Ratio1.29
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.93 mm7.72 mm3.05 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629477689
Side View
Table 65.0%Crown 36.6°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 65.4%

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 4
Current: $3,257 AUD|Low: $2,338 AUD|High: $6,743 AUD|Avg: $3,830 AUD|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 5$2,440 AUD
Retailer 1$3,257 AUD
Retailer 4$3,341 AUD
Retailer 2$3,545 AUD
Retailer 3$6,653 AUD

43 data points across 5 retailers

7 retailers$2,440 AUD to $8,258 AUD

A
Cheapest Retailer
-
$2,440 AUD
A
Retailer 2
-
$3,257 AUD
View
A
Retailer 3
-
$3,341 AUD
View
A
Retailer 4
-
$3,545 AUD
View
A
Retailer 5
-
$3,652 AUD
View
B+
Retailer 6
-
$6,653 AUD
View
Most Expensive
B
Taylor and Hart
XSG1D9Z · Nov 4
$8,258 AUD
$5,793 USD
View
6 more retailers have this diamond
Prices start from $2,440 AUDSave up to $5,818 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
$2,440 AUD