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Cushion|Lab Grown|IGI

3.05ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG711526696

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG711526696

Diamond specifications and retailer prices

From $1,310 USD
As of October 29, 2026
Save $5,860 USD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,170 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.05ct lab-grown cushion diamond

This 3.05ct 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 LG711526696 or 711526696. Listed at 17 retailers as of October 29, 2026, with prices from $1,310 to $7,170, a $5,860 spread on the same certified stone. Brilliant Earth lists it at $7,170. 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

3.05
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG711526696
Dimensions7.82 × 7.82 × 5.28 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
7.82 mm7.82 mm3.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG711526696
Side View
Table 61.0%Crown 37.3°Girdle: MED-STKPavilion 37°Culet: NoneDepth 67.5%

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: $7,170 USD|Low: $1,310 USD|High: $7,390 USD|Avg: $3,121 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
October 29, 2026
Retailer 13$1,310 USD
Retailer 3$1,358 USD
Retailer 14$1,515 USD
Retailer 5$1,684 USD
Retailer 2$1,964 USD
Retailer 16$2,042 USD
Retailer 10$2,178 USD
Retailer 17$3,039 USD
Retailer 15$3,063 USD
Retailer 11$3,153 USD
Retailer 6$3,506 USD
Retailer 9$3,749 USD
Retailer 4$3,757 USD
Retailer 8$4,291 USD
Retailer 12$4,387 USD
Retailer 7$4,755 USD
Brilliant Earth$7,170 USD

37 data points across 17 retailers

17 retailers$1,310 USD to $7,170 USD

A
Cheapest Retailer
-
$1,310 USD
Final sale: no returns
A
Retailer 2
-
$1,358 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,515 USD
View
A
Retailer 4
-
$1,684 USD
View
A
Retailer 5
-
$1,964 USD
£1,546 GBP
View
A
Retailer 6
-
$2,042 USD
View
A
Retailer 7
-
$2,178 USD
€2,074 EUR
View
A
Retailer 8
-
$3,039 USD
View
A
Retailer 9
-
$3,063 USD
A$4,713 AUD
View
Price last confirmed 7 days ago
A
Retailer 10
-
$3,153 USD
ZAR 50,936 ZAR
View
A
Retailer 11
-
$3,506 USD
View
A
Retailer 12
-
$3,749 USD
£2,952 GBP
View
Price last confirmed 18 days ago
A
Retailer 13
-
$3,757 USD
View
B+
Retailer 14
-
$4,291 USD
View
B+
Retailer 15
-
$4,387 USD
£3,454 GBP
View
B+
Retailer 16
-
$4,755 USD
View
Most Expensive
B
Brilliant Earth
14755328A · Oct 29
$7,170 USD
View
16 more retailers have this diamond
Prices start from $1,310 USDSave up to $5,860 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
3.05ct Cushion
$1,310 USD