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Cushion|Lab Grown|IGI

3.07ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804664654

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804664654

Diamond specifications and retailer prices

From £1,831 GBP
$2,454 USD
As of October 30, 2026
Save £5,774 GBP (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £7,605 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.07ct lab-grown cushion diamond

This 3.07ct 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 LG804664654 or 804664654. Listed at 13 retailers as of October 30, 2026, with prices from £1,831 to £7,605, a £5,774 spread on the same certified stone. Brilliant Earth lists it at £7,605. 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

3.07
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804664654
Dimensions9.86 × 7.76 × 5.09 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
9.86 mm7.76 mm3.07 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804664654
Side View
Table 57.0%Crown 37.3°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 65.6%

Caratlytics Score

How it works →
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 30
Current: £7,605 GBP|Low: £1,831 GBP|High: £10,869 GBP|Avg: £5,203 GBP|-21.7%
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
October 31, 2026
Retailer 7£1,831 GBP
Retailer 11£2,111 GBP
Retailer 2£2,383 GBP
Retailer 6£2,419 GBP
Retailer 5£2,730 GBP
Retailer 13£2,779 GBP
Retailer 12£4,022 GBP
Retailer 8£4,667 GBP
Retailer 4£4,738 GBP
Retailer 3£4,937 GBP
Retailer 10£6,061 GBP
Retailer 9£6,700 GBP
Brilliant Earth£7,605 GBP

38 data points across 13 retailers

13 retailers£1,831 GBP to £7,605 GBP

A
Cheapest Retailer
-
£1,831 GBP
$2,454 USD
A
Retailer 2
-
£2,111 GBP
HK$22,100 HKD
View
A
Retailer 3
-
£2,383 GBP
View
A
Retailer 4
-
£2,419 GBP
$3,241 USD
View
A
Retailer 5
-
£2,730 GBP
$3,658 USD
View
A
Retailer 6
-
£2,779 GBP
€3,546 EUR
View
B+
Retailer 7
-
£4,022 GBP
ZAR 87,053 ZAR
View
B+
Retailer 8
-
£4,667 GBP
$6,253 USD
View
B+
Retailer 9
-
£4,738 GBP
$6,349 USD
View
B+
Retailer 10
-
£4,937 GBP
View
B+
Retailer 11
-
£6,061 GBP
$8,121 USD
View
B
Retailer 12
-
£6,700 GBP
$8,977 USD
View
Most Expensive
B
Brilliant Earth
20502469A · Oct 30
£7,605 GBP
$10,190 USD
View
12 more retailers have this diamond
Prices start from £1,831 GBPSave up to £5,774 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
3.07ct Cushion
£1,831 GBP