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Cushion|Lab Grown|IGI

3.30ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG800614437

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

Certificate IGI LG800614437

Diamond specifications and retailer prices

From $1,990 AUD
$1,398 USD
As of October 30, 2026
Save $10,751 AUD (84%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $12,741 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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), with a top-tier cut grade and certified by IGI LG800614437 or 800614437. Listed at 6 retailers as of October 29, 2026, with prices from $1,990 to $12,741, a $10,751 spread on the same certified stone. Brilliant Earth lists it at $12,741. 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

3.30
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800614437
Dimensions8.52 × 8.48 × 5.56 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
8.52 mm8.48 mm3.30 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800614437
Side View
Table 62.0%Crown 38.7°Girdle: MED-STKPavilion 36.6°Culet: NoneDepth 65.6%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: $12,741 AUD|Low: $1,990 AUD|High: $16,357 AUD|Avg: $6,516 AUD|-22.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 4$1,990 AUD
Retailer 5$2,550 AUD
Retailer 2$3,179 AUD
Retailer 6$3,451 AUD
Retailer 3$5,435 AUD
Retailer 8$8,789 AUD
Retailer 7$10,608 AUD
Brilliant Earth$12,741 AUD

31 data points across 8 retailers

6 retailers$1,990 AUD to $12,741 AUD

A+
Cheapest Retailer
-
$1,990 AUD
$1,398 USD
A
Retailer 2
-
$2,550 AUD
$1,791 USD
View
A
Retailer 3
-
$3,179 AUD
$2,233 USD
View
A
Retailer 4
-
$3,451 AUD
€2,309 EUR
View
A
Retailer 5
-
$5,435 AUD
£3,006 GBP
View
Most Expensive
B
Brilliant Earth
20278591A · Oct 29
$12,741 AUD
$8,950 USD
View
5 more retailers have this diamond
Prices start from $1,990 AUDSave up to $10,751 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
$1,990 AUD