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Cushion|Lab Grown|IGI

3.05ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG762515085

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG762515085

Diamond specifications and retailer prices

From £2,055 GBP
$2,753 USD
As of October 31, 2026
Save £11,256 GBP (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £20,069 GBP at Do Amore Diamonds · As of October 27, 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 LG762515085 or 762515085. Listed at 18 retailers as of October 27, 2026, with a 548% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36.8°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762515085
Dimensions7.70 × 7.70 × 5.13 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.70 mm7.70 mm3.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762515085
Side View
Table 59.0%Crown 36.8°Girdle: MED-THKPavilion 35.4°Culet: NoneDepth 66.6%

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: £20,069 GBP|Low: £2,055 GBP|High: £20,069 GBP|Avg: £7,008 GBP|+0.9%
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
October 31, 2026
Retailer 9£2,055 GBP
Retailer 5£3,191 GBP
Retailer 6£3,267 GBP
Retailer 4£3,384 GBP
Retailer 3£4,026 GBP
Retailer 11£4,810 GBP
Retailer 12£4,837 GBP
Retailer 7£5,255 GBP
Retailer 10£6,191 GBP
Retailer 8£6,249 GBP
Retailer 2£7,478 GBP
Retailer 13£7,745 GBP
Retailer 15£8,609 GBP
Retailer 14£8,639 GBP
Do Amore Diamonds£20,069 GBP

39 data points across 15 retailers

18 retailers£2,055 GBP to £13,311 GBP

A
Cheapest Retailer
-
£2,055 GBP
$2,753 USD
B+
Retailer 2
-
£3,191 GBP
$4,276 USD
View
Retailer 3
-
£3,384 GBP
$4,534 USD
View
Price last confirmed 19 days ago
B+
Retailer 4
-
£3,426 GBP
$4,590 USD
View
Retailer 5
-
£4,026 GBP
$5,395 USD
View
Price last confirmed 10 days ago
B+
Retailer 6
-
£4,810 GBP
View
B+
Retailer 7
-
£4,837 GBP
$6,481 USD
View
B
Retailer 8
-
£5,255 GBP
View
B+
Retailer 9
-
£6,191 GBP
$8,295 USD
View
B+
Retailer 10
-
£6,249 GBP
A$12,881 AUD
View
B
Retailer 11
-
£7,478 GBP
$10,020 USD
View
B
Retailer 12
-
£7,745 GBP
View
Retailer 13
-
£8,609 GBP
A$17,746 AUD
View
Price last confirmed 9 days ago
B
Retailer 14
-
£8,639 GBP
ZAR 186,995 ZAR
View
B
Retailer 15
-
£8,890 GBP
$11,912 USD
View
B
Retailer 16
-
£9,770 GBP
$13,091 USD
View
B
Retailer 17
-
£13,311 GBP
$17,835 USD
View
Most Expensive
Do Amore Diamonds
27-A36CD7277 · Oct 27
£20,069 GBP
$26,890 USD
View
Price under review
17 more retailers have this diamond
Prices start from £2,055 GBPSave up to £11,256 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
£2,055 GBP