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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 €1,959 EUR
HK$17,100 HKD
As of October 31, 2026
Save €6,159 EUR (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €8,118 EUR at Brilliant Earth · As of October 31, 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 31, 2026, with prices from €1,959 to €8,118, a €6,159 spread on the same certified stone. Brilliant Earth lists it at €8,118. 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: €2,545 EUR|Low: €1,959 EUR|High: €6,793 EUR|Avg: €4,105 EUR|-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€1,959 EUR
Retailer 5€2,280 EUR
Retailer 1€2,545 EUR
Retailer 4€2,658 EUR
Retailer 7€3,106 EUR
Retailer 8€3,738 EUR
Retailer 10€4,339 EUR
Retailer 2€4,405 EUR
Retailer 9€4,622 EUR
Retailer 3€5,281 EUR
Retailer 6€5,658 EUR
Retailer 12€6,181 EUR

17 data points across 12 retailers

14 retailers€1,959 EUR to €8,118 EUR

A
Cheapest Retailer
-
€1,959 EUR
HK$17,100 HKD
A
Retailer 2
-
€2,280 EUR
£2,006 GBP
View
A
Retailer 3
-
€2,545 EUR
View
A
Retailer 4
-
€2,658 EUR
$2,970 USD
View
A
Retailer 5
-
€3,106 EUR
$3,470 USD
View
A
Retailer 6
-
€3,738 EUR
ZAR 67,468 ZAR
View
A
Retailer 7
-
€4,339 EUR
$4,847 USD
View
B+
Retailer 8
-
€4,405 EUR
$4,922 USD
View
B+
Retailer 9
-
€4,534 EUR
$5,065 USD
View
B+
Retailer 10
-
€4,622 EUR
£4,066 GBP
View
Retailer 11
-
€5,281 EUR
$5,900 USD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
€5,658 EUR
$6,321 USD
View
B+
Retailer 13
-
€6,181 EUR
$6,905 USD
View
Most Expensive
B
Brilliant Earth
21829129A · Oct 31
€8,118 EUR
$9,070 USD
View
13 more retailers have this diamond
Prices start from €1,959 EURSave up to €6,159 EUR

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
€1,959 EUR