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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 $1,520 USD
As of October 31, 2026
Save $5,680 USD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,200 USD 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 $1,520 to $7,200, a $5,680 spread on the same certified stone. Brilliant Earth lists it at $7,200. 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

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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: $7,200 USD|Low: $1,315 USD|High: $7,420 USD|Avg: $3,337 USD|-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
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 5$1,362 USD
Retailer 16$1,520 USD
Retailer 2$1,976 USD
Retailer 3$2,048 USD
Retailer 12$2,186 USD
Retailer 15$2,360 USD
Retailer 11$2,423 USD
Retailer 4$3,058 USD
Retailer 17$3,073 USD
Retailer 13$3,163 USD
Retailer 7$3,518 USD
Retailer 10$3,764 USD
Retailer 6$3,770 USD
Retailer 9$4,303 USD
Retailer 14$4,401 USD
Retailer 8$4,771 USD
Retailer 18$5,640 USD
Brilliant Earth$7,200 USD

37 data points across 18 retailers

18 retailers$1,520 USD to $7,200 USD

Retailer 1
-
$1,362 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$1,520 USD
View
A
Retailer 3
-
$1,976 USD
£1,556 GBP
View
A
Retailer 4
-
$2,048 USD
View
A
Retailer 5
-
$2,186 USD
€2,082 EUR
View
A
Retailer 6
-
$2,360 USD
View
Final sale: no returns
A
Retailer 7
-
$2,423 USD
View
A
Retailer 8
-
$3,058 USD
View
Retailer 9
-
$3,073 USD
A$4,728 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$3,163 USD
ZAR 51,099 ZAR
View
A
Retailer 11
-
$3,518 USD
View
A
Retailer 12
-
$3,764 USD
£2,964 GBP
View
A
Retailer 13
-
$3,770 USD
View
B+
Retailer 14
-
$4,303 USD
View
B+
Retailer 15
-
$4,401 USD
£3,465 GBP
View
B+
Retailer 16
-
$4,771 USD
View
Retailer 17
-
$5,640 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
13210499A · Oct 29
$7,200 USD
View
17 more retailers have this diamond
Prices start from $1,520 USDSave up to $5,680 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
3.06ct Cushion
$1,520 USD