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Cushion|Lab Grown|IGI

3.10ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG813651571

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG813651571

Diamond specifications and retailer prices

From £1,583 GBP
$2,121 USD
As of October 29, 2026
Save £9,505 GBP (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £11,087 GBP at Yadav Diamonds · As of October 30, 2026
View at Yadav Diamonds

About this 3.1ct lab-grown cushion diamond

This 3.1ct 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 LG813651571 or 813651571. Listed at 19 retailers as of October 29, 2026, with prices from £1,583 to £11,087, a £9,505 spread on the same certified stone. Yadav Diamonds lists it at £11,087. 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

3.10
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813651571
Dimensions9.61 × 7.76 × 5.29 mm
L/W Ratio1.24
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
9.61 mm7.76 mm3.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813651571
Side View
Table 62.0%Crown 36.2°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 68.2%

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: £2,492 GBP|Low: £1,583 GBP|High: £15,150 GBP|Avg: £5,091 GBP|-34.6%
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
October 31, 2026
Retailer 4£1,583 GBP
Retailer 13£1,731 GBP
Retailer 3£1,805 GBP
Retailer 15£1,855 GBP
Retailer 16£2,299 GBP
Retailer 1£2,492 GBP
Retailer 9£2,540 GBP
Retailer 11£2,744 GBP
Retailer 6£3,435 GBP
Retailer 10£4,204 GBP
Retailer 17£4,869 GBP
Retailer 14£4,874 GBP
Retailer 12£4,938 GBP
Retailer 7£5,704 GBP
Retailer 5£6,127 GBP
Retailer 8£6,332 GBP
Retailer 2£9,732 GBP

37 data points across 17 retailers

19 retailers£1,583 GBP to £11,087 GBP

A
Cheapest Retailer
-
£1,583 GBP
$2,121 USD
Final sale: no returns
A
Retailer 2
-
£1,731 GBP
$2,320 USD
View
A
Retailer 3
-
£1,805 GBP
$2,418 USD
View
A
Retailer 4
-
£1,855 GBP
$2,485 USD
View
A
Retailer 5
-
£2,299 GBP
$3,081 USD
View
A
Retailer 6
-
£2,492 GBP
View
Retailer 7
-
£2,540 GBP
$3,403 USD
View
Price last confirmed 18 days ago
A
Retailer 8
-
£2,744 GBP
€3,501 EUR
View
A
Retailer 9
-
£3,435 GBP
View
B+
Retailer 10
-
£4,204 GBP
ZAR 91,007 ZAR
View
B+
Retailer 11
-
£4,869 GBP
$6,524 USD
View
Retailer 12
-
£4,874 GBP
$6,530 USD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
£4,938 GBP
$6,617 USD
View
B+
Retailer 14
-
£4,938 GBP
View
B+
Retailer 15
-
£5,704 GBP
$7,643 USD
View
B+
Retailer 16
-
£6,127 GBP
$8,209 USD
View
B+
Retailer 17
-
£6,332 GBP
$8,484 USD
View
B
Retailer 18
-
£9,732 GBP
$13,040 USD
View
Most Expensive
B
Yadav Diamonds
13209872 · Oct 30
£11,087 GBP
$14,856 USD
View
18 more retailers have this diamond
Prices start from £1,583 GBPSave up to £9,505 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
3.10ct Cushion
£1,583 GBP