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Cushion|Lab Grown|IGI

3.06ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG680571004

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG680571004

Diamond specifications and retailer prices

From €1,177 EUR
$1,315 USD
As of October 31, 2026
Save €5,268 EUR (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €6,445 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.06ct lab-grown cushion diamond

This 3.06ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG680571004 or 680571004. Listed at 18 retailers as of October 29, 2026, with prices from €1,177 to €6,445, a €5,268 spread on the same certified stone. Brilliant Earth lists it at €6,445. 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

3.06
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680571004
Dimensions8.32 × 8.32 × 5.37 mm
L/W Ratio1.00
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
8.32 mm8.32 mm3.06 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680571004
Side View
Table 62.0%Crown 37°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 64.5%

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 31
Current: €6,445 EUR|Low: €1,177 EUR|High: €6,642 EUR|Avg: €2,985 EUR|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
October 31, 2026
Retailer 2€1,177 EUR
Retailer 5€1,219 EUR
Retailer 16€1,361 EUR
Retailer 11€1,769 EUR
Retailer 3€1,833 EUR
Retailer 13€1,957 EUR
Retailer 12€2,169 EUR
Retailer 4€2,737 EUR
Retailer 17€2,751 EUR
Retailer 14€2,831 EUR
Retailer 7€3,149 EUR
Retailer 10€3,369 EUR
Retailer 6€3,374 EUR
Retailer 9€3,851 EUR
Retailer 15€3,939 EUR
Retailer 8€4,270 EUR
Retailer 18€5,048 EUR
Brilliant Earth€6,445 EUR

36 data points across 18 retailers

18 retailers€1,177 EUR to €6,445 EUR

A
Cheapest Retailer
-
€1,177 EUR
$1,315 USD
Final sale: no returns
Retailer 2
-
€1,219 EUR
$1,362 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
€1,361 EUR
$1,520 USD
View
A
Retailer 4
-
€1,769 EUR
£1,556 GBP
View
A
Retailer 5
-
€1,833 EUR
$2,048 USD
View
A
Retailer 6
-
€1,957 EUR
View
A
Retailer 7
-
€2,169 EUR
$2,423 USD
View
A
Retailer 8
-
€2,737 EUR
$3,058 USD
View
Retailer 9
-
€2,751 EUR
A$4,728 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
€2,831 EUR
ZAR 51,099 ZAR
View
A
Retailer 11
-
€3,149 EUR
$3,518 USD
View
A
Retailer 12
-
€3,369 EUR
£2,964 GBP
View
A
Retailer 13
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€3,374 EUR
$3,770 USD
View
B+
Retailer 14
-
€3,851 EUR
$4,303 USD
View
B+
Retailer 15
-
€3,939 EUR
£3,465 GBP
View
B+
Retailer 16
-
€4,270 EUR
$4,771 USD
View
Retailer 17
-
€5,048 EUR
$5,640 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
13210499A · Oct 29
€6,445 EUR
$7,200 USD
View
17 more retailers have this diamond
Prices start from €1,177 EURSave up to €5,268 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
3.06ct Cushion
€1,177 EUR