Cushion|Lab Grown|IGI

3.39ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG842621160

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG842621160

Diamond specifications and retailer prices

From £1,183 GBP
$1,576 USD
As of October 29, 2026
Save £5,327 GBP (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £6,511 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.39ct lab-grown cushion diamond

This 3.39ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG842621160 or 842621160. Listed at 14 retailers as of October 29, 2026, with prices from £1,183 to £6,511, a £5,327 spread on the same certified stone. Do Amore Diamonds lists it at £6,511. 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

3.39
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842621160
Dimensions11.51 × 7.38 × 5.10 mm
L/W Ratio1.56
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
11.51 mm7.38 mm3.39 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842621160
Side View
Table 61.0%Crown 32.4°Girdle: STK-THKPavilion 33.7°Culet: NoneDepth 69.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £6,511 GBP|Low: £1,126 GBP|High: £8,095 GBP|Avg: £3,365 GBP|-19.6%
Do Amore Diamonds
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
October 29, 2026
Retailer 14£1,183 GBP
Retailer 8£1,228 GBP
Retailer 11£1,342 GBP
Retailer 13£1,673 GBP
Retailer 2£1,985 GBP
Retailer 15£2,174 GBP
Retailer 3£2,641 GBP
Retailer 10£3,070 GBP
Retailer 6£3,176 GBP
Retailer 9£3,480 GBP
Retailer 4£4,344 GBP
Retailer 7£4,467 GBP
Retailer 12£5,446 GBP
Retailer 5£5,857 GBP
Do Amore Diamonds£6,511 GBP

14 data points across 15 retailers

14 retailers£1,183 GBP to £6,511 GBP

A
Cheapest Retailer
-
£1,183 GBP
$1,576 USD
A
Retailer 2
-
£1,228 GBP
$1,635 USD
View
A
Retailer 3
-
£1,342 GBP
View
A
Retailer 4
-
£1,673 GBP
$2,228 USD
View
A
Retailer 5
-
£1,985 GBP
€2,518 EUR
View
A
Retailer 6
-
£2,174 GBP
$2,895 USD
View
Retailer 7
-
£2,641 GBP
A$5,411 AUD
View
Price last confirmed 7 days ago
A
Retailer 8
-
£3,070 GBP
$4,089 USD
View
Retailer 9
-
£3,176 GBP
$4,230 USD
View
Price last confirmed 13 days ago
A
Retailer 10
-
£3,480 GBP
View
Retailer 11
-
£4,344 GBP
$5,785 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£5,446 GBP
$7,252 USD
View
B
Retailer 13
-
£5,857 GBP
$7,800 USD
View
Most Expensive
B
Do Amore Diamonds
27-FF331944E · Oct 29
£6,511 GBP
$8,670 USD
View
13 more retailers have this diamond
Prices start from £1,183 GBPSave up to £5,327 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
3.39ct Cushion
£1,183 GBP