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Cushion|Lab Grown|IGI

3.07ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG726512038

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG726512038

Diamond specifications and retailer prices

From £1,593 GBP
$2,122 USD
As of October 29, 2026
Save £7,388 GBP (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £8,981 GBP at Brilliant Earth · As of October 29, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG726512038 or 726512038. Listed at 22 retailers as of October 29, 2026, with prices from £1,593 to £8,981, a £7,388 spread on the same certified stone. Brilliant Earth lists it at £8,981. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726512038
Dimensions7.75 × 7.75 × 4.97 mm
L/W Ratio1.00
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
7.75 mm7.75 mm3.07 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726512038
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 36.3°Culet: NoneDepth 64.1%

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: £8,981 GBP|Low: £1,593 GBP|High: £9,251 GBP|Avg: £3,751 GBP|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 16
Retailer 17
Retailer 18
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Retailer 21
October 30, 2026
Retailer 7£1,593 GBP
Retailer 8£1,652 GBP
Retailer 5£1,760 GBP
Retailer 17£1,776 GBP
Retailer 18£1,903 GBP
Retailer 3£1,976 GBP
Retailer 2£2,271 GBP
Retailer 10£2,407 GBP
Retailer 20£2,435 GBP
Retailer 15£2,627 GBP
Retailer 6£3,422 GBP
Retailer 21£3,736 GBP
Retailer 13£3,836 GBP
Retailer 4£4,259 GBP
Retailer 12£4,360 GBP
Retailer 9£4,530 GBP
Retailer 16£4,743 GBP
Retailer 11£4,961 GBP
Retailer 19£6,040 GBP
Retailer 14£7,839 GBP
Brilliant Earth£8,981 GBP

20 data points across 21 retailers

22 retailers£1,593 GBP to £8,981 GBP

A
Cheapest Retailer
-
£1,593 GBP
$2,122 USD
Final sale: no returns
Retailer 2
-
£1,652 GBP
$2,200 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
£1,760 GBP
$2,344 USD
View
A
Retailer 4
-
£1,776 GBP
$2,365 USD
View
A
Retailer 5
-
£1,903 GBP
HK$19,800 HKD
View
Retailer 6
-
£1,976 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
£2,271 GBP
View
A
Retailer 8
-
£2,407 GBP
$3,206 USD
View
A
Retailer 9
-
£2,435 GBP
$3,242 USD
View
A
Retailer 10
-
£2,627 GBP
€3,332 EUR
View
B+
Retailer 11
-
£3,422 GBP
View
Retailer 12
-
£3,736 GBP
A$7,654 AUD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
£3,836 GBP
ZAR 82,516 ZAR
View
B+
Retailer 14
-
£4,259 GBP
$5,671 USD
View
Retailer 15
-
£4,360 GBP
$5,806 USD
View
Price last confirmed 109 days ago
Retailer 16
-
£4,530 GBP
View
Price last confirmed 13 days ago
B+
Retailer 17
-
£4,743 GBP
View
B+
Retailer 18
-
£4,961 GBP
$6,606 USD
View
B
Retailer 19
-
£5,785 GBP
$7,704 USD
View
B
Retailer 20
-
£6,040 GBP
$8,043 USD
View
Retailer 21
-
£7,839 GBP
A$16,060 AUD
View
Price last confirmed 118 days ago
Most Expensive
B
Brilliant Earth
15379935A · Oct 29
£8,981 GBP
$11,960 USD
View
21 more retailers have this diamond
Prices start from £1,593 GBPSave up to £7,388 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
£1,593 GBP