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Cushion|Lab Grown|IGI

3.29ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG732516309

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG732516309

Diamond specifications and retailer prices

From $1,515 USD
As of October 29, 2026
Save $8,605 USD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $11,175 USD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 3.29ct lab-grown cushion diamond

This 3.29ct 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 LG732516309 or 732516309. Listed at 13 retailers as of October 29, 2026, with a 568% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.29
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732516309
Dimensions8.68 × 8.60 × 5.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
8.68 mm8.60 mm3.29 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732516309
Side View
Table 63.0%Crown 37.5°Girdle: STK-THKPavilion 37.6°Culet: NoneDepth 65.8%

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: Oct 29
Current: $11,175 USD|Low: $1,515 USD|High: $11,197 USD|Avg: $4,622 USD|+1.6%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 10$1,515 USD
Retailer 12$1,516 USD
Retailer 5$1,680 USD
Retailer 11$2,135 USD
Retailer 6$2,389 USD
Retailer 2$2,628 USD
Retailer 9$3,720 USD
Retailer 13$3,812 USD
Retailer 7$4,716 USD
Retailer 3$5,720 USD
Retailer 4$9,000 USD
Retailer 8$10,120 USD
Novita Diamonds$11,175 USD

33 data points across 13 retailers

13 retailers$1,515 USD to $10,120 USD

A
Cheapest Retailer
-
$1,515 USD
A
Retailer 2
-
$1,516 USD
View
A
Retailer 3
-
$1,680 USD
View
Final sale: no returns
A
Retailer 4
-
$2,135 USD
View
A
Retailer 5
-
$2,389 USD
€2,275 EUR
View
A
Retailer 6
-
$2,628 USD
View
A
Retailer 7
-
$3,720 USD
View
Retailer 8
-
$3,812 USD
A$5,864 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$4,716 USD
£3,713 GBP
View
Retailer 10
-
$5,720 USD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$9,000 USD
View
B
Retailer 12
-
$10,120 USD
View
Most Expensive
Novita Diamonds
cert_732516309 · Oct 8
$11,175 USD
A$17,193 AUD
View
Price last confirmed 21 days ago
12 more retailers have this diamond
Prices start from $1,515 USDSave up to $8,605 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
3.29ct Cushion
$1,515 USD