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Cushion|Lab Grown|IGI

3.06ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846662775

Shape and cutting style on the report: Round cornered rectangular modified brilliant

Certificate IGI LG846662775

Diamond specifications and retailer prices

From £1,504 GBP
$2,015 USD
As of October 29, 2026
Save £6,780 GBP (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £8,284 GBP at Brilliant Earth · As of October 30, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846662775 or 846662775. Listed at 10 retailers as of October 29, 2026, with prices from £1,504 to £8,284, a £6,780 spread on the same certified stone. Brilliant Earth lists it at £8,284. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662775
Dimensions9.47 × 6.76 × 4.47 mm
L/W Ratio1.40
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
9.47 mm6.76 mm3.06 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662775
Side View
Table 64.0%Crown 32.2°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 66.1%

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 29
Current: £8,284 GBP|Low: £1,504 GBP|High: £9,769 GBP|Avg: £3,678 GBP|-15.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7£1,504 GBP
Retailer 5£1,712 GBP
Retailer 2£2,393 GBP
Retailer 9£2,461 GBP
Retailer 4£2,474 GBP
Retailer 11£3,004 GBP
Retailer 8£4,216 GBP
Retailer 10£4,247 GBP
Retailer 3£4,918 GBP
Retailer 6£5,936 GBP
Brilliant Earth£8,284 GBP

14 data points across 11 retailers

10 retailers£1,504 GBP to £8,284 GBP

A
Cheapest Retailer
-
£1,504 GBP
$2,015 USD
A
Retailer 2
-
£1,712 GBP
View
A
Retailer 3
-
£2,393 GBP
$3,206 USD
View
A
Retailer 4
-
£2,461 GBP
$3,297 USD
View
A
Retailer 5
-
£2,474 GBP
$3,315 USD
View
B+
Retailer 6
-
£4,216 GBP
View
Retailer 7
-
£4,247 GBP
$5,690 USD
View
Price last confirmed 9 days ago
Retailer 8
-
£4,918 GBP
$6,589 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
£5,936 GBP
$7,954 USD
View
Most Expensive
B
Brilliant Earth
22158551A · Oct 30
£8,284 GBP
$11,100 USD
View
9 more retailers have this diamond
Prices start from £1,504 GBPSave up to £6,780 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
£1,504 GBP