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 $1,398 USD
As of October 29, 2026
Save $7,552 USD (84%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $8,950 USD at Brilliant Earth · As of October 28, 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 28, 2026, with prices from $1,398 to $8,950, a $7,552 spread on the same certified stone. Brilliant Earth lists it at $8,950. 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
Color
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 29
Current: $8,950 USD|Low: $1,398 USD|High: $11,490 USD|Avg: $4,603 USD|-22.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 3$1,398 USD
Retailer 4$1,791 USD
Retailer 6$2,424 USD
Retailer 5$2,434 USD
Retailer 2$3,818 USD
Retailer 8$6,174 USD
Retailer 7$7,451 USD
Brilliant Earth$8,950 USD

31 data points across 8 retailers

6 retailers$1,398 USD to $8,950 USD

A+
Cheapest Retailer
-
$1,398 USD
A
Retailer 2
-
$1,791 USD
View
A
Retailer 3
-
$2,424 USD
€2,309 EUR
View
A
Retailer 4
-
$2,434 USD
View
A
Retailer 5
-
$3,818 USD
£3,006 GBP
View
Most Expensive
B
Brilliant Earth
20278591A · Oct 28
$8,950 USD
View
5 more retailers have this diamond
Prices start from $1,398 USDSave up to $7,552 USD

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
$1,398 USD