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Cushion|Lab Grown|IGI

3.05ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG816685287

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816685287

Diamond specifications and retailer prices

From £519 GBP
As of November 4, 2026
Save £1,752 GBP (77%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,270 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

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 LG816685287 or 816685287. Listed at 3 retailers as of November 1, 2026, with prices from £519 to £2,270, a £1,752 spread on the same certified stone. Rare Carat lists it at £2,270. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816685287
Dimensions9.85 × 7.61 × 5.08 mm
L/W Ratio1.29
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.85 mm7.61 mm3.05 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816685287
Side View
Table 62.0%Crown 35.2°Girdle: MED-THKPavilion 35.7°Culet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £2,270 GBP|Low: £519 GBP|High: £2,296 GBP|Avg: £1,352 GBP|-1.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3£519 GBP
Retailer 2£882 GBP
Retailer 7£947 GBP
Retailer 6£1,167 GBP
Retailer 5£1,329 GBP
Retailer 4£2,048 GBP
Rare Carat£2,270 GBP

38 data points across 7 retailers

3 retailers£519 GBP to £2,270 GBP

A
Cheapest Retailer
-
£519 GBP
Final sale: no returns
A
Retailer 2
-
£882 GBP
View
Most Expensive
B
Rare Carat
816685287 · Nov 1
£2,270 GBP
$3,065 USD
View
2 more retailers have this diamond
Prices start from £519 GBPSave up to £1,752 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
£519 GBP