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Cushion|Lab Grown|IGI

3.30ct D IF Cushion Lab Grown Diamond

D/IF • IGI LG780665995

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG780665995

Diamond specifications and retailer prices

From $4,431 AUD
€2,964 EUR
As of October 29, 2026
Save $5,101 AUD (54%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $16,428 AUD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 3.3ct lab-grown cushion diamond

This 3.3ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless) and certified by IGI LG780665995 or 780665995. Listed at 3 retailers as of October 29, 2026, with a 115% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.30
Carat
D
Colour
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle43.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665995
Dimensions9.78 × 8.09 × 5.37 mm
L/W Ratio1.21
Girdle conditionFaceted
Culet sizeLarge
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
9.78 mm8.09 mm3.30 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665995
Side View
Table 55.0%Crown 35.7°Girdle: STK-THKPavilion 43.1°Culet: LargeDepth 66.4%

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: $16,428 AUD|Low: $2,749 AUD|High: $16,469 AUD|Avg: $8,266 AUD|+2.9%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 7$2,749 AUD
Retailer 6$3,666 AUD
Retailer 5$4,077 AUD
Retailer 2$4,431 AUD
Retailer 8$5,320 AUD
Retailer 4$5,887 AUD
Retailer 3$9,532 AUD
Retailer 10$13,624 AUD
Retailer 9$15,588 AUD
Novita Diamonds$16,428 AUD

17 data points across 10 retailers

3 retailers$4,431 AUD to $9,532 AUD

A
Cheapest Retailer
-
$4,431 AUD
€2,964 EUR
B
Retailer 2
-
$9,532 AUD
$6,695 USD
View
Most Expensive
Novita Diamonds
cert_780665995 · Oct 8
$16,428 AUD
View
Price last confirmed 22 days ago
2 more retailers have this diamond
Prices start from $4,431 AUDSave up to $5,101 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
3.30ct Cushion
$4,431 AUD