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Cushion|Lab Grown|IGI

3.43ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG746516044

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG746516044

Diamond specifications and retailer prices

From £650 GBP
$871 USD
As of October 29, 2026
Save £3,649 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,299 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.43ct lab-grown cushion diamond

This 3.43ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG746516044 or 746516044. Listed at 20 retailers as of October 29, 2026, with prices from £650 to £4,299, a £3,649 spread on the same certified stone. Brilliant Earth lists it at £4,299. 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

3.43
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG746516044
Dimensions9.83 × 8.09 × 5.60 mm
L/W Ratio1.22
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
9.83 mm8.09 mm3.43 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG746516044
Side View
Table 64.0%Crown 35.3°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 69.2%

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: £4,299 GBP|Low: £619 GBP|High: £4,799 GBP|Avg: £1,746 GBP|-7.8%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 10£649 GBP
Retailer 17£650 GBP
Retailer 6£813 GBP
Retailer 12£907 GBP
Retailer 13£984 GBP
Retailer 15£1,033 GBP
Retailer 18£1,101 GBP
Retailer 11£1,402 GBP
Retailer 8£1,541 GBP
Retailer 4£1,565 GBP
Retailer 5£1,699 GBP
Retailer 2£2,081 GBP
Retailer 7£2,201 GBP
Retailer 14£2,268 GBP
Retailer 16£2,328 GBP
Retailer 3£2,539 GBP
Retailer 9£3,213 GBP
Brilliant Earth£4,299 GBP

23 data points across 18 retailers

20 retailers£650 GBP to £4,299 GBP

Retailer 1
-
£649 GBP
$869 USD
Price last confirmed 18 days ago
A
Retailer 2
-
£650 GBP
$871 USD
View
Final sale: no returns
A
Retailer 3
-
£813 GBP
$1,090 USD
View
A
Retailer 4
-
£907 GBP
$1,215 USD
View
A
Retailer 5
-
£984 GBP
$1,318 USD
View
A
Retailer 6
-
£1,033 GBP
View
A
Retailer 7
-
£1,101 GBP
€1,405 EUR
View
A
Retailer 8
-
£1,402 GBP
$1,879 USD
View
Retailer 9
-
£1,541 GBP
A$3,177 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
£1,565 GBP
ZAR 33,871 ZAR
View
A
Retailer 11
-
£1,699 GBP
$2,276 USD
View
B+
Retailer 12
-
£2,081 GBP
View
B+
Retailer 13
-
£2,201 GBP
$2,949 USD
View
B+
Retailer 14
-
£2,268 GBP
$3,039 USD
View
B+
Retailer 15
-
£2,309 GBP
$3,094 USD
View
B+
Retailer 16
-
£2,328 GBP
$3,120 USD
View
B+
Retailer 17
-
£2,539 GBP
View
Retailer 18
-
£2,855 GBP
A$5,885 AUD
View
Price last confirmed 22 days ago
Retailer 19
-
£3,213 GBP
$4,305 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
17174420A · Oct 30
£4,299 GBP
$5,760 USD
View
19 more retailers have this diamond
Prices start from £650 GBPSave up to £3,649 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
3.43ct Cushion
£650 GBP