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Cushion|Lab Grown|IGI

3.51ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG724559085

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG724559085

Diamond specifications and retailer prices

From £723 GBP
$969 USD
As of October 31, 2026
Save £3,576 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,299 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.51ct lab-grown cushion diamond

This 3.51ct 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 LG724559085 or 724559085. Listed at 21 retailers as of October 31, 2026, with prices from £723 to £4,299, a £3,576 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

3.51
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG724559085
Dimensions7.83 × 7.83 × 4.84 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.83 mm7.83 mm3.51 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG724559085
Side View
Table 66.0%Crown 36.9°Girdle: MED-STKPavilion 34.5°Culet: NoneDepth 61.8%

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 31
Current: £4,299 GBP|Low: £676 GBP|High: £6,710 GBP|Avg: £1,853 GBP|-35.9%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 11
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Retailer 19
October 31, 2026
Retailer 5£701 GBP
Retailer 17£723 GBP
Retailer 16£812 GBP
Retailer 3£843 GBP
Retailer 8£935 GBP
Retailer 4£1,004 GBP
Retailer 13£1,076 GBP
Retailer 2£1,114 GBP
Retailer 19£1,469 GBP
Retailer 12£1,583 GBP
Retailer 15£1,628 GBP
Retailer 7£1,778 GBP
Retailer 6£1,934 GBP
Retailer 18£2,238 GBP
Retailer 9£2,343 GBP
Retailer 10£2,357 GBP
Retailer 11£2,426 GBP
Retailer 14£2,643 GBP
Brilliant Earth£4,299 GBP

33 data points across 19 retailers

21 retailers£723 GBP to £4,299 GBP

Retailer 1
-
£701 GBP
$939 USD
Price last confirmed 15 days ago
A
Retailer 2
-
£723 GBP
$969 USD
View
Final sale: no returns
A
Retailer 3
-
£812 GBP
HK$8,500 HKD
View
A
Retailer 4
-
£843 GBP
$1,130 USD
View
A
Retailer 5
-
£935 GBP
$1,253 USD
View
A
Retailer 6
-
£1,004 GBP
$1,345 USD
View
A
Retailer 7
-
£1,076 GBP
View
A
Retailer 8
-
£1,114 GBP
€1,422 EUR
View
A
Retailer 9
-
£1,469 GBP
$1,968 USD
View
A
Retailer 10
-
£1,583 GBP
A$3,264 AUD
View
A
Retailer 11
-
£1,628 GBP
ZAR 35,239 ZAR
View
B+
Retailer 12
-
£1,778 GBP
$2,382 USD
View
B+
Retailer 13
-
£1,934 GBP
View
B+
Retailer 14
-
£2,194 GBP
$2,940 USD
View
B+
Retailer 15
-
£2,238 GBP
$2,999 USD
View
B+
Retailer 16
-
£2,343 GBP
$3,140 USD
View
B+
Retailer 17
-
£2,357 GBP
SGD 4,267 SGD
View
B+
Retailer 18
-
£2,426 GBP
$3,251 USD
View
B+
Retailer 19
-
£2,643 GBP
View
Retailer 20
-
£3,955 GBP
$5,299 USD
View
Price last confirmed 96 days ago
Most Expensive
B
Brilliant Earth
15630748A · Oct 31
£4,299 GBP
$5,760 USD
View
20 more retailers have this diamond
Prices start from £723 GBPSave up to £3,576 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
3.51ct Cushion
£723 GBP