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Cushion|Lab Grown|IGI

3.06ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG655440920

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG655440920

Diamond specifications and retailer prices

From £1,004 GBP
$1,345 USD
As of October 31, 2026
Save £6,960 GBP (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £7,963 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.06ct lab-grown cushion diamond

This 3.06ct 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 LG655440920 or 655440920. Listed at 21 retailers as of October 30, 2026, with prices from £1,004 to £7,963, a £6,960 spread on the same certified stone. Do Amore Diamonds lists it at £7,963. 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

3.06
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655440920
Dimensions10.18 × 7.76 × 5.01 mm
L/W Ratio1.31
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
10.18 mm7.76 mm3.06 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655440920
Side View
Table 58.0%Crown 33.2°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 64.6%

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: £7,963 GBP|Low: £1,004 GBP|High: £7,963 GBP|Avg: £2,937 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 31, 2026
Retailer 6£1,004 GBP
Retailer 16£1,161 GBP
Retailer 19£1,226 GBP
Retailer 12£1,267 GBP
Retailer 5£1,376 GBP
Retailer 10£1,411 GBP
Retailer 14£1,557 GBP
Retailer 2£1,619 GBP
Retailer 18£1,773 GBP
Retailer 13£2,666 GBP
Retailer 4£2,775 GBP
Retailer 8£2,984 GBP
Retailer 3£3,241 GBP
Retailer 15£3,694 GBP
Retailer 7£3,994 GBP
Retailer 17£4,041 GBP
Retailer 9£4,072 GBP
Retailer 11£5,329 GBP
Do Amore Diamonds£7,963 GBP

40 data points across 19 retailers

21 retailers£1,004 GBP to £7,963 GBP

A
Cheapest Retailer
-
£1,004 GBP
$1,345 USD
Final sale: no returns
A
Retailer 2
-
£1,161 GBP
$1,555 USD
View
A
Retailer 3
-
£1,226 GBP
$1,643 USD
View
A
Retailer 4
-
£1,267 GBP
View
A
Retailer 5
-
£1,376 GBP
HK$14,400 HKD
View
Retailer 6
-
£1,411 GBP
$1,890 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
£1,557 GBP
$2,086 USD
View
A
Retailer 8
-
£1,619 GBP
View
A
Retailer 9
-
£1,773 GBP
$2,375 USD
View
A
Retailer 10
-
£2,666 GBP
ZAR 57,701 ZAR
View
A
Retailer 11
-
£2,775 GBP
View
A
Retailer 12
-
£2,984 GBP
$3,998 USD
View
B+
Retailer 13
-
£3,241 GBP
$4,343 USD
View
B+
Retailer 14
-
£3,694 GBP
View
B+
Retailer 15
-
£3,994 GBP
SGD 7,231 SGD
View
Retailer 16
-
£4,041 GBP
$5,415 USD
View
Price last confirmed 10 days ago
B+
Retailer 17
-
£4,072 GBP
$5,455 USD
View
Retailer 18
-
£4,128 GBP
$5,532 USD
View
Price last confirmed 103 days ago
Retailer 19
-
£4,436 GBP
View
Price last confirmed 15 days ago
B+
Retailer 20
-
£5,329 GBP
$7,140 USD
View
Most Expensive
B
Do Amore Diamonds
27-D03B83330 · Oct 30
£7,963 GBP
$10,670 USD
View
20 more retailers have this diamond
Prices start from £1,004 GBPSave up to £6,960 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
3.06ct Cushion
£1,004 GBP