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Cushion|Lab Grown|IGI

3.06ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG712560927

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG712560927

Diamond specifications and retailer prices

From £1,134 GBP
$1,520 USD
As of October 31, 2026
Save £4,239 GBP (79%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £5,374 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG712560927 or 712560927. Listed at 19 retailers as of October 31, 2026, with prices from £1,134 to £5,374, a £4,239 spread on the same certified stone. Brilliant Earth lists it at £5,374. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712560927
Dimensions9.42 × 7.90 × 5.20 mm
L/W Ratio1.19
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
9.42 mm7.90 mm3.06 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712560927
Side View
Table 61.0%Crown 37.7°Girdle: MED-STKPavilion 38°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: £5,374 GBP|Low: £981 GBP|High: £5,381 GBP|Avg: £2,404 GBP|-0.1%
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
Retailer 18
Retailer 19
October 31, 2026
Retailer 11£1,046 GBP
Retailer 14£1,134 GBP
Retailer 9£1,261 GBP
Retailer 13£1,475 GBP
Retailer 8£1,528 GBP
Retailer 12£1,621 GBP
Retailer 16£1,761 GBP
Retailer 15£1,808 GBP
Retailer 4£2,282 GBP
Retailer 2£2,296 GBP
Retailer 17£2,361 GBP
Retailer 6£2,625 GBP
Retailer 5£2,809 GBP
Retailer 19£2,814 GBP
Retailer 3£3,211 GBP
Retailer 18£3,284 GBP
Retailer 7£3,560 GBP
Retailer 10£4,209 GBP
Brilliant Earth£5,374 GBP

35 data points across 19 retailers

19 retailers£1,134 GBP to £5,374 GBP

Retailer 1
-
£1,046 GBP
$1,401 USD
Price last confirmed 19 days ago
A
Retailer 2
-
£1,134 GBP
$1,520 USD
View
A
Retailer 3
-
£1,261 GBP
$1,689 USD
View
A
Retailer 4
-
£1,475 GBP
View
A
Retailer 5
-
£1,528 GBP
$2,048 USD
View
A
Retailer 6
-
£1,621 GBP
€2,068 EUR
View
A
Retailer 7
-
£1,761 GBP
$2,360 USD
View
Final sale: no returns
A
Retailer 8
-
£1,808 GBP
$2,423 USD
View
A
Retailer 9
-
£2,282 GBP
$3,058 USD
View
A
Retailer 10
-
£2,296 GBP
A$4,732 AUD
View
A
Retailer 11
-
£2,361 GBP
ZAR 51,099 ZAR
View
A
Retailer 12
-
£2,625 GBP
$3,518 USD
View
A
Retailer 13
-
£2,809 GBP
View
A
Retailer 14
-
£2,814 GBP
$3,770 USD
View
B+
Retailer 15
-
£3,211 GBP
$4,303 USD
View
B+
Retailer 16
-
£3,284 GBP
View
B+
Retailer 17
-
£3,560 GBP
$4,771 USD
View
Retailer 18
-
£4,209 GBP
$5,640 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
14755068A · Oct 31
£5,374 GBP
$7,200 USD
View
18 more retailers have this diamond
Prices start from £1,134 GBPSave up to £4,239 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
£1,134 GBP