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Cushion|Lab Grown|IGI

3.51ct F VVS1 Cushion Lab Grown Diamond

VG • F/VVS1 • IGI LG828615267

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG828615267

Diamond specifications and retailer prices

From £832 GBP
$1,117 USD
As of November 1, 2026
Save £3,050 GBP (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,882 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.51ct lab-grown cushion diamond

This 3.51ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG828615267 or 828615267. Listed at 12 retailers as of November 1, 2026, with prices from £832 to £3,882, a £3,050 spread on the same certified stone. Do Amore Diamonds lists it at £3,882. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.51
Carat
F
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828615267
Dimensions8.98 × 9.56 × 5.78 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.98 mm9.56 mm3.51 ctF / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828615267
Side View
Table 62.0%Crown 35.9°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 64.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £3,882 GBP|Low: £626 GBP|High: £3,882 GBP|Avg: £1,468 GBP|+2.8%
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
November 3, 2026
Retailer 6£649 GBP
Retailer 13£832 GBP
Retailer 11£835 GBP
Retailer 2£885 GBP
Retailer 4£925 GBP
Retailer 9£1,263 GBP
Retailer 12£1,279 GBP
Retailer 7£1,298 GBP
Retailer 14£1,729 GBP
Retailer 10£1,738 GBP
Retailer 5£1,894 GBP
Retailer 3£2,016 GBP
Retailer 8£2,357 GBP
Do Amore Diamonds£3,882 GBP

30 data points across 14 retailers

12 retailers£832 GBP to £3,882 GBP

Retailer 1
-
£649 GBP
HK$6,800 HKD
Price last confirmed 59 days ago
A
Retailer 2
-
£832 GBP
$1,117 USD
View
B+
Retailer 3
-
£835 GBP
$1,120 USD
View
A
Retailer 4
-
£885 GBP
View
B+
Retailer 5
-
£1,263 GBP
A$2,608 AUD
View
B+
Retailer 6
-
£1,279 GBP
$1,717 USD
View
B+
Retailer 7
-
£1,298 GBP
ZAR 28,141 ZAR
View
B+
Retailer 8
-
£1,729 GBP
$2,320 USD
View
B+
Retailer 9
-
£1,738 GBP
View
B
Retailer 10
-
£2,016 GBP
$2,705 USD
View
B
Retailer 11
-
£2,357 GBP
View
Most Expensive
B
Do Amore Diamonds
27-831623AC1 · Nov 2
£3,882 GBP
$5,210 USD
View
11 more retailers have this diamond
Prices start from £832 GBPSave up to £3,050 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
£832 GBP