Cushion|Lab Grown|IGI

3.01ct E FL Cushion Lab Grown Diamond

EX • E/FL • IGI LG830648623

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG830648623

Diamond specifications and retailer prices

From £2,429 GBP
$3,234 USD
As of October 29, 2026
Save £6,399 GBP (72%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £9,235 GBP at Taylor and Hart · As of October 3, 2026
View at Taylor and Hart

About this 3.01ct lab-grown cushion diamond

This 3.01ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830648623 or 830648623. Listed at 14 retailers as of October 29, 2026, with a 264% 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

3.01
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830648623
Dimensions9.78 × 7.72 × 5.15 mm
L/W Ratio1.27
Girdle conditionFaceted
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
9.78 mm7.72 mm3.01 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830648623
Side View
Table 60.0%Crown 35.8°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 66.7%

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 29
Current: £3,046 GBP|Low: £1,921 GBP|High: £12,743 GBP|Avg: £5,760 GBP
Retailer 1
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
Taylor and Hart
October 8, 2026
Retailer 14£2,429 GBP
Retailer 8£2,698 GBP
Retailer 9£2,771 GBP
Retailer 3£2,887 GBP
Retailer 6£2,935 GBP
Retailer 1£3,046 GBP
Retailer 4£3,662 GBP
Retailer 19£3,974 GBP
Retailer 15£4,355 GBP
Retailer 7£4,578 GBP
Retailer 18£6,178 GBP
Retailer 13£6,604 GBP
Retailer 5£6,637 GBP
Retailer 2£6,803 GBP
Retailer 10£7,712 GBP
Retailer 17£8,170 GBP
Retailer 12£8,634 GBP
Retailer 16£8,828 GBP
Taylor and Hart£9,235 GBP
Retailer 11£12,743 GBP

18 data points across 20 retailers

14 retailers£2,429 GBP to £8,828 GBP

A
Cheapest Retailer
-
£2,429 GBP
$3,234 USD
A
Retailer 2
-
£2,887 GBP
$3,844 USD
View
Price last confirmed 26 days ago
A
Retailer 3
-
£3,046 GBP
CA$5,634 CAD
View
B+
Retailer 4
-
£4,355 GBP
$5,800 USD
View
B+
Retailer 5
-
£4,578 GBP
View
Price last confirmed 26 days ago
B
Retailer 6
-
£6,178 GBP
ZAR 132,914 ZAR
View
Price last confirmed 26 days ago
B
Retailer 7
-
£6,604 GBP
$8,794 USD
View
B
Retailer 8
-
£6,637 GBP
$8,839 USD
View
Price last confirmed 27 days ago
B
Retailer 9
-
£6,803 GBP
View
Price last confirmed 28 days ago
B
Retailer 10
-
£7,712 GBP
$10,270 USD
View
Price last confirmed 27 days ago
B
Retailer 11
-
£8,170 GBP
$10,880 USD
View
Price last confirmed 25 days ago
B
Retailer 12
-
£8,634 GBP
$11,498 USD
View
B
Retailer 13
-
£8,828 GBP
$11,756 USD
View
Most Expensive
B
Taylor and Hart
VOBMBJ1 · Oct 3
£9,235 GBP
$12,299 USD
View
Price last confirmed 26 days ago
13 more retailers have this diamond
Prices start from £2,429 GBPSave up to £6,399 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
3.01ct Cushion
£2,429 GBP