Cushion|Lab Grown|IGI

3.29ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG835667275

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG835667275

Diamond specifications and retailer prices

From $2,189 USD
HK$17,100 HKD
As of October 30, 2026
Save $6,881 USD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,070 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG835667275 or 835667275. Listed at 14 retailers as of October 29, 2026, with prices from $2,189 to $9,070, a $6,881 spread on the same certified stone. Brilliant Earth lists it at $9,070. 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 angle37.2°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835667275
Dimensions9.96 × 8.00 × 5.18 mm
L/W Ratio1.25
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
9.96 mm8.00 mm3.29 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835667275
Side View
Table 59.0%Crown 37.2°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,547 USD|Low: $2,189 USD|High: $7,589 USD|Avg: $4,602 USD|-10.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 11$2,189 USD
Retailer 1$2,547 USD
Retailer 8$2,863 USD
Retailer 4$2,970 USD
Retailer 6$3,470 USD
Retailer 7$4,176 USD
Retailer 10$4,847 USD
Retailer 2$4,922 USD
Retailer 9$5,164 USD
Retailer 3$5,900 USD
Retailer 5$6,321 USD
Retailer 12$6,905 USD

16 data points across 12 retailers

14 retailers$2,189 USD to $9,070 USD

A
Cheapest Retailer
-
$2,189 USD
HK$17,100 HKD
A
Retailer 2
-
$2,547 USD
£2,006 GBP
View
A
Retailer 3
-
$2,863 USD
€2,727 EUR
View
A
Retailer 4
-
$2,970 USD
View
A
Retailer 5
-
$3,470 USD
View
A
Retailer 6
-
$4,176 USD
ZAR 67,468 ZAR
View
A
Retailer 7
-
$4,847 USD
View
B+
Retailer 8
-
$4,922 USD
View
B+
Retailer 9
-
$5,065 USD
View
B+
Retailer 10
-
$5,164 USD
£4,066 GBP
View
Retailer 11
-
$5,900 USD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$6,321 USD
View
B+
Retailer 13
-
$6,905 USD
View
Most Expensive
B
Brilliant Earth
21829129A · Oct 29
$9,070 USD
View
13 more retailers have this diamond
Prices start from $2,189 USDSave up to $6,881 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
$2,189 USD