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Cushion|Lab Grown|IGI

3.06ct F IF Cushion Lab Grown Diamond

EX • F/IF • IGI LG719557147

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG719557147

Diamond specifications and retailer prices

From $1,395 USD
As of October 29, 2026
Save $4,415 USD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,810 USD at Brilliant Earth · As of October 28, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG719557147 or 719557147. Listed at 17 retailers as of October 28, 2026, with prices from $1,395 to $5,810, a $4,415 spread on the same certified stone. Brilliant Earth lists it at $5,810. 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
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG719557147
Dimensions8.41 × 8.41 × 5.59 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
8.41 mm8.41 mm3.06 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG719557147
Side View
Table 63.0%Crown 37.9°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 66.5%

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 29
Current: $5,810 USD|Low: $1,207 USD|High: $5,810 USD|Avg: $2,914 USD
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
October 29, 2026
Retailer 3$1,251 USD
Retailer 12$1,395 USD
Retailer 5$1,585 USD
Retailer 11$1,802 USD
Retailer 16$1,882 USD
Retailer 13$1,991 USD
Retailer 10$2,492 USD
Retailer 14$2,824 USD
Retailer 15$2,878 USD
Retailer 17$3,058 USD
Retailer 7$3,224 USD
Retailer 6$3,459 USD
Retailer 4$3,700 USD
Retailer 9$3,998 USD
Retailer 2$4,266 USD
Retailer 8$4,372 USD
Brilliant Earth$5,810 USD

37 data points across 17 retailers

17 retailers$1,395 USD to $5,810 USD

A
Retailer 1
-
$1,251 USD
Price last confirmed 16 days ago
A
Retailer 2
-
$1,395 USD
View
A
Retailer 3
-
$1,585 USD
View
A
Retailer 4
-
$1,802 USD
£1,419 GBP
View
A
Retailer 5
-
$1,882 USD
View
A
Retailer 6
-
$1,991 USD
€1,896 EUR
View
A
Retailer 7
-
$2,492 USD
View
Final sale: no returns
A
Retailer 8
-
$2,824 USD
A$4,344 AUD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$2,878 USD
ZAR 46,501 ZAR
View
Price last confirmed 14 days ago
A
Retailer 10
-
$3,058 USD
View
B+
Retailer 11
-
$3,224 USD
View
B+
Retailer 12
-
$3,459 USD
£2,724 GBP
View
Price last confirmed 17 days ago
B+
Retailer 13
-
$3,700 USD
View
B+
Retailer 14
-
$3,998 USD
View
B+
Retailer 15
-
$4,266 USD
£3,359 GBP
View
B+
Retailer 16
-
$4,372 USD
View
Most Expensive
B
Brilliant Earth
14943447A · Oct 28
$5,810 USD
View
16 more retailers have this diamond
Prices start from $1,395 USDSave up to $4,415 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
$1,395 USD