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Cushion|Lab Grown|IGI

3.05ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG787631435

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG787631435

Diamond specifications and retailer prices

From £478 GBP
As of November 4, 2026
Save £1,774 GBP (79%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,389 GBP at Novita Diamonds · As of October 2, 2026
View at Novita 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 LG787631435 or 787631435. Listed at 19 retailers as of November 1, 2026, with a 371% 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 angle33.9°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787631435
Dimensions10.26 × 7.51 × 0.20 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.26 mm7.51 mm3.05 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787631435
Side View
Table 61.0%Crown 33.9°Girdle: STK-THKPavilion 35.5°Culet: NoneDepth 66.8%

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: Nov 4
Current: £1,067 GBP|Low: £461 GBP|High: £2,274 GBP|Avg: £1,192 GBP|+2.9%
Retailer 1
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
November 5, 2026
Retailer 6£478 GBP
Retailer 9£487 GBP
Retailer 15£607 GBP
Retailer 7£676 GBP
Retailer 4£710 GBP
Retailer 14£766 GBP
Retailer 11£778 GBP
Retailer 1£1,067 GBP
Retailer 12£1,094 GBP
Retailer 13£1,158 GBP
Retailer 17£1,293 GBP
Retailer 3£1,467 GBP
Retailer 5£1,636 GBP
Retailer 2£1,661 GBP
Retailer 16£1,753 GBP
Retailer 10£2,099 GBP
Retailer 8£2,252 GBP

32 data points across 17 retailers

19 retailers£478 GBP to £2,252 GBP

A
Cheapest Retailer
-
£478 GBP
Final sale: no returns
Retailer 2
-
£487 GBP
View
Price last confirmed 20 days ago
A
Retailer 3
-
£607 GBP
View
B+
Retailer 4
-
£676 GBP
View
A
Retailer 5
-
£710 GBP
View
A
Retailer 6
-
£766 GBP
View
A
Retailer 7
-
£778 GBP
View
A
Retailer 8
-
£1,067 GBP
View
A
Retailer 9
-
£1,094 GBP
View
B+
Retailer 10
-
£1,158 GBP
View
B+
Retailer 11
-
£1,293 GBP
View
B+
Retailer 12
-
£1,467 GBP
View
B+
Retailer 13
-
£1,623 GBP
View
B+
Retailer 14
-
£1,636 GBP
View
B+
Retailer 15
-
£1,661 GBP
View
B+
Retailer 16
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£1,753 GBP
View
B
Retailer 17
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£2,099 GBP
View
B
Retailer 18
-
£2,252 GBP
View
Most Expensive
Novita Diamonds
cert_787631435 · Oct 2
£2,389 GBP
A$4,961 AUD
View
Price last confirmed 33 days ago
18 more retailers have this diamond
Prices start from £478 GBPSave up to £1,774 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
£478 GBP