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Cushion|Lab Grown|IGI

3.06ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG787605414

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG787605414

Diamond specifications and retailer prices

From £2,505 GBP
$3,356 USD
As of October 31, 2026
Save £10,046 GBP (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £18,987 GBP at Do Amore Diamonds · As of October 31, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787605414 or 787605414. Listed at 24 retailers as of October 30, 2026, with a 401% 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

3.06
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787605414
Dimensions10.16 × 7.53 × 5.03 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.16 mm7.53 mm3.06 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787605414
Side View
Table 61.0%Crown 36.1°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £4,644 GBP|Low: £2,505 GBP|High: £8,963 GBP|Avg: £5,509 GBP|-0.7%
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
October 30, 2026
Retailer 7£2,505 GBP
Retailer 5£2,791 GBP
Retailer 3£3,080 GBP
Retailer 13£3,196 GBP
Retailer 16£3,201 GBP
Retailer 12£3,290 GBP
Retailer 1£4,644 GBP
Retailer 8£4,959 GBP
Retailer 15£5,131 GBP
Retailer 10£5,490 GBP
Retailer 11£7,608 GBP
Retailer 14£7,842 GBP
Retailer 6£8,148 GBP
Retailer 9£8,203 GBP
Retailer 2£8,791 GBP
Retailer 4£8,963 GBP

42 data points across 16 retailers

24 retailers£2,505 GBP to £12,550 GBP

A
Cheapest Retailer
-
£2,505 GBP
$3,356 USD
A
Retailer 2
-
£2,791 GBP
$3,739 USD
View
A
Retailer 3
-
£3,080 GBP
CA$5,732 CAD
View
A
Retailer 4
-
£3,196 GBP
$4,282 USD
View
Retailer 5
-
£3,201 GBP
$4,289 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
£3,290 GBP
$4,408 USD
View
Final sale: no returns
A
Retailer 7
-
£3,314 GBP
$4,440 USD
View
B+
Retailer 8
-
£4,644 GBP
View
B+
Retailer 9
-
£4,959 GBP
View
B+
Retailer 10
-
£5,131 GBP
$6,875 USD
View
B+
Retailer 11
-
£5,490 GBP
€7,006 EUR
View
B+
Retailer 12
-
£7,608 GBP
View
B+
Retailer 13
-
£7,842 GBP
$10,508 USD
View
B
Retailer 14
-
£8,148 GBP
$10,918 USD
View
B
Retailer 15
-
£8,203 GBP
ZAR 177,554 ZAR
View
B
Retailer 16
-
£8,791 GBP
$11,779 USD
View
B
Retailer 17
-
£8,963 GBP
$12,010 USD
View
B
Retailer 18
-
£9,241 GBP
$12,382 USD
View
Retailer 19
-
£9,978 GBP
$13,370 USD
View
Price last confirmed 37 days ago
B
Retailer 20
-
£10,944 GBP
$14,664 USD
View
B
Retailer 21
-
£12,550 GBP
$16,816 USD
View
B
Retailer 22
-
£12,550 GBP
$16,816 USD
View
Retailer 23
-
£17,516 GBP
$23,470 USD
View
Price under review
Most Expensive
Do Amore Diamonds
27-1CAF052A7 · Oct 31
£18,987 GBP
$25,440 USD
View
Price under review
23 more retailers have this diamond
Prices start from £2,505 GBPSave up to £10,046 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
£2,505 GBP