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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 $3,116 AUD
HK$17,100 HKD
As of October 31, 2026
Save $9,796 AUD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $12,912 AUD 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 $3,116 to $12,912, a $9,796 spread on the same certified stone. Brilliant Earth lists it at $12,912. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,048 AUD|Low: $3,116 AUD|High: $10,804 AUD|Avg: $6,528 AUD|-9.1%
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 31, 2026
Retailer 11$3,116 AUD
Retailer 5$3,627 AUD
Retailer 1$4,048 AUD
Retailer 4$4,228 AUD
Retailer 7$4,940 AUD
Retailer 8$5,945 AUD
Retailer 10$6,900 AUD
Retailer 2$7,007 AUD
Retailer 9$7,351 AUD
Retailer 3$8,399 AUD
Retailer 6$8,998 AUD
Retailer 12$9,830 AUD

17 data points across 12 retailers

14 retailers$3,116 AUD to $12,912 AUD

A
Cheapest Retailer
-
$3,116 AUD
HK$17,100 HKD
A
Retailer 2
-
$3,627 AUD
£2,006 GBP
View
A
Retailer 3
-
$4,048 AUD
€2,708 EUR
View
A
Retailer 4
-
$4,228 AUD
$2,970 USD
View
A
Retailer 5
-
$4,940 AUD
$3,470 USD
View
A
Retailer 6
-
$5,945 AUD
ZAR 67,468 ZAR
View
A
Retailer 7
-
$6,900 AUD
$4,847 USD
View
B+
Retailer 8
-
$7,007 AUD
$4,922 USD
View
B+
Retailer 9
-
$7,211 AUD
$5,065 USD
View
B+
Retailer 10
-
$7,351 AUD
£4,066 GBP
View
Retailer 11
-
$8,399 AUD
$5,900 USD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$8,998 AUD
$6,321 USD
View
B+
Retailer 13
-
$9,830 AUD
$6,905 USD
View
Most Expensive
B
Brilliant Earth
21829129A · Oct 29
$12,912 AUD
$9,070 USD
View
13 more retailers have this diamond
Prices start from $3,116 AUDSave up to $9,796 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
3.29ct Cushion
$3,116 AUD