Cushion|Lab Grown|IGI

3.05ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG828697500

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG828697500

Diamond specifications and retailer prices

From £687 GBP
As of November 1, 2026
Save £2,202 GBP (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,652 GBP at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG828697500 or 828697500. Listed at 10 retailers as of November 1, 2026, with a 321% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.05
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828697500
Dimensions10.47 × 7.46 × 4.83 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.47 mm7.46 mm3.05 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828697500
Side View
Table 63.0%Crown 31.6°Girdle: MED-THKPavilion 34.2°Culet: NoneDepth 64.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £3,652 GBP|Low: £487 GBP|High: £4,007 GBP|Avg: £1,614 GBP|-8.9%
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
October 28, 2026
Retailer 11£487 GBP
Retailer 2£611 GBP
Retailer 5£678 GBP
Retailer 12£687 GBP
Retailer 9£701 GBP
Retailer 8£723 GBP
Retailer 6£847 GBP
Retailer 4£1,308 GBP
Retailer 13£1,978 GBP
Retailer 7£2,447 GBP
Retailer 10£2,889 GBP
Retailer 3£3,432 GBP
Do Amore Diamonds£3,652 GBP

13 data points across 13 retailers

10 retailers£687 GBP to £2,889 GBP

Retailer 1
-
£611 GBP
Price last confirmed 8 days ago
A
Retailer 2
-
£687 GBP
View
Retailer 3
-
£701 GBP
View
Price last confirmed 10 days ago
Retailer 4
-
£723 GBP
View
Price last confirmed 10 days ago
Retailer 5
-
£847 GBP
View
Price last confirmed 9 days ago
Retailer 6
-
£1,978 GBP
View
Price last confirmed 10 days ago
Retailer 7
-
£2,447 GBP
View
Price last confirmed 10 days ago
B
Retailer 8
-
£2,889 GBP
View
Retailer 9
-
£3,432 GBP
View
Price last confirmed 9 days ago
Most Expensive
Do Amore Diamonds
27-413B9A664 · Oct 28
£3,652 GBP
$4,930 USD
View
Price last confirmed 8 days ago
9 more retailers have this diamond
Prices start from £687 GBPSave up to £2,202 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
3.05ct Cushion
£687 GBP