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Cushion|Lab Grown|IGI

3.05ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG754507886

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

Certificate IGI LG754507886

Diamond specifications and retailer prices

From $1,490 USD
£1,173 GBP
As of October 29, 2026
Save $9,280 USD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $10,770 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG754507886 or 754507886. Listed at 22 retailers as of October 29, 2026, with prices from $1,490 to $10,770, a $9,280 spread on the same certified stone. Do Amore Diamonds lists it at $10,770. 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 angle37.8°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507886
Dimensions8.39 × 8.39 × 5.52 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
8.39 mm8.39 mm3.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507886
Side View
Table 58.0%Crown 37.8°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: $10,770 USD|Low: $1,490 USD|High: $10,770 USD|Avg: $4,046 USD
Do Amore Diamonds
Retailer 2
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October 29, 2026
Retailer 18$1,490 USD
Retailer 5$1,505 USD
Retailer 7$1,556 USD
Retailer 12$1,654 USD
Retailer 21$1,715 USD
Retailer 22$2,032 USD
Retailer 13$2,177 USD
Retailer 3$2,180 USD
Retailer 10$2,364 USD
Retailer 2$3,125 USD
Retailer 4$3,512 USD
Retailer 16$3,719 USD
Retailer 20$3,780 USD
Retailer 14$4,026 USD
Retailer 17$4,347 USD
Retailer 8$4,379 USD
Retailer 19$4,961 USD
Retailer 6$5,395 USD
Retailer 15$5,507 USD
Retailer 11$7,110 USD
Retailer 9$7,765 USD
Do Amore Diamonds$10,770 USD

34 data points across 22 retailers

22 retailers$1,490 USD to $10,770 USD

A+
Cheapest Retailer
-
$1,490 USD
£1,173 GBP
A
Retailer 2
-
$1,505 USD
View
A
Retailer 3
-
$1,556 USD
View
Final sale: no returns
A
Retailer 4
-
$1,654 USD
View
A
Retailer 5
-
$1,715 USD
HK$13,400 HKD
View
A
Retailer 6
-
$2,032 USD
View
A
Retailer 7
-
$2,177 USD
€2,073 EUR
View
A
Retailer 8
-
$2,180 USD
£1,716 GBP
View
A
Retailer 9
-
$2,364 USD
View
A
Retailer 10
-
$3,125 USD
ZAR 50,488 ZAR
View
A
Retailer 11
-
$3,512 USD
A$5,403 AUD
View
A
Retailer 12
-
$3,719 USD
£2,928 GBP
View
A
Retailer 13
-
$3,780 USD
View
A
Retailer 14
-
$4,026 USD
View
A
Retailer 15
-
$4,347 USD
£3,423 GBP
View
B+
Retailer 16
-
$4,379 USD
View
B+
Retailer 17
-
$4,961 USD
SGD 6,704 SGD
View
B+
Retailer 18
-
$5,395 USD
View
Price last confirmed 8 days ago
B+
Retailer 19
-
$5,507 USD
View
B
Retailer 20
-
$7,110 USD
View
B
Retailer 21
-
$7,765 USD
A$11,946 AUD
View
Price last confirmed 20 days ago
Most Expensive
B
Do Amore Diamonds
27-FB165B1E5 · Oct 29
$10,770 USD
View
21 more retailers have this diamond
Prices start from $1,490 USDSave up to $9,280 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
$1,490 USD