CaratHunter
Plans
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 £1,006 GBP
$1,348 USD
As of October 31, 2026
Save £5,957 GBP (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £6,963 GBP at Do Amore Diamonds · As of October 31, 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 31, 2026, with prices from £1,006 to £6,963, a £5,957 spread on the same certified stone. Do Amore Diamonds lists it at £6,963. 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
Colour
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
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: £6,963 GBP|Low: £1,006 GBP|High: £8,038 GBP|Avg: £2,981 GBP|-13.4%
Do Amore Diamonds
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 18£1,006 GBP
Retailer 17£1,105 GBP
Retailer 20£1,109 GBP
Retailer 11£1,123 GBP
Retailer 8£1,280 GBP
Retailer 16£1,445 GBP
Retailer 9£1,517 GBP
Retailer 13£1,613 GBP
Retailer 22£1,740 GBP
Retailer 3£2,332 GBP
Retailer 10£2,621 GBP
Retailer 4£2,775 GBP
Retailer 7£2,821 GBP
Retailer 19£2,889 GBP
Retailer 15£3,005 GBP
Retailer 5£3,244 GBP
Retailer 21£3,568 GBP
Retailer 6£3,703 GBP
Retailer 12£4,026 GBP
Retailer 14£5,306 GBP
Retailer 2£5,726 GBP
Do Amore Diamonds£6,963 GBP

30 data points across 22 retailers

22 retailers£1,006 GBP to £6,963 GBP

A
Cheapest Retailer
-
£1,006 GBP
$1,348 USD
Final sale: no returns
A
Retailer 2
-
£1,105 GBP
$1,480 USD
View
A
Retailer 3
-
£1,109 GBP
View
A
Retailer 4
-
£1,123 GBP
$1,505 USD
View
A
Retailer 5
-
£1,280 GBP
HK$13,400 HKD
View
A
Retailer 6
-
£1,445 GBP
View
A
Retailer 7
-
£1,517 GBP
$2,032 USD
View
A
Retailer 8
-
£1,613 GBP
€2,058 EUR
View
A
Retailer 9
-
£1,740 GBP
$2,331 USD
View
A
Retailer 10
-
£2,332 GBP
ZAR 50,488 ZAR
View
Retailer 11
-
£2,621 GBP
A$5,403 AUD
View
Price last confirmed 9 days ago
A
Retailer 12
-
£2,775 GBP
View
A
Retailer 13
-
£2,821 GBP
$3,780 USD
View
A
Retailer 14
-
£2,889 GBP
$3,871 USD
View
B+
Retailer 15
-
£3,005 GBP
$4,026 USD
View
B+
Retailer 16
-
£3,244 GBP
View
B+
Retailer 17
-
£3,568 GBP
$4,781 USD
View
B+
Retailer 18
-
£3,703 GBP
SGD 6,704 SGD
View
Retailer 19
-
£4,026 GBP
$5,395 USD
View
Price last confirmed 10 days ago
B
Retailer 20
-
£5,306 GBP
$7,110 USD
View
B+
Retailer 21
-
£5,726 GBP
A$11,803 AUD
View
Most Expensive
B
Do Amore Diamonds
27-FB165B1E5 · Oct 31
£6,963 GBP
$9,330 USD
View
21 more retailers have this diamond
Prices start from £1,006 GBPSave up to £5,957 GBP

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
£1,006 GBP