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Cushion|Lab Grown|IGI

5.05ct F VVS1 Cushion Lab Grown Diamond

VG • F/VVS1 • IGI LG798611742

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG798611742

Diamond specifications and retailer prices

From £1,776 GBP
$2,383 USD
As of November 1, 2026
Save £7,144 GBP (80%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £8,920 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 5.05ct lab-grown cushion diamond

This 5.05ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG798611742 or 798611742. Listed at 7 retailers as of November 1, 2026, with prices from £1,776 to £8,920, a £7,144 spread on the same certified stone. Brilliant Earth lists it at £8,920. 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

5.05
Carat
F
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG798611742
Dimensions11.55 × 8.98 × 6.12 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.55 mm8.98 mm5.05 ctF / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG798611742
Side View
Table 63.0%Crown 35°Girdle: MED-STKPavilion 36.3°Culet: NoneDepth 68.2%

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 1
Current: £8,920 GBP|Low: £1,650 GBP|High: £8,920 GBP|Avg: £3,352 GBP|+1.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3£1,650 GBP
Retailer 9£1,665 GBP
Retailer 5£1,776 GBP
Retailer 7£1,942 GBP
Retailer 6£2,080 GBP
Retailer 2£2,094 GBP
Retailer 11£3,721 GBP
Retailer 10£3,933 GBP
Retailer 4£3,982 GBP
Retailer 8£5,531 GBP
Brilliant Earth£8,920 GBP

21 data points across 11 retailers

7 retailers£1,776 GBP to £8,920 GBP

A
Cheapest Retailer
-
£1,776 GBP
$2,383 USD
Retailer 2
-
£1,942 GBP
$2,606 USD
View
Price last confirmed 11 days ago
Retailer 3
-
£2,080 GBP
$2,791 USD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
£2,094 GBP
€2,676 EUR
View
B
Retailer 5
-
£3,982 GBP
View
Retailer 6
-
£5,531 GBP
A$11,418 AUD
View
Price last confirmed 122 days ago
Most Expensive
B
Brilliant Earth
20418513A · Nov 2
£8,920 GBP
$11,970 USD
View
6 more retailers have this diamond
Prices start from £1,776 GBPSave up to £7,144 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
5.05ct Cushion
£1,776 GBP