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Cushion|Lab Grown|IGI

6.18ct F VVS2 Cushion Lab Grown Diamond

VG • F/VVS2 • IGI LG825614971

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825614971

Diamond specifications and retailer prices

From £943 GBP
As of November 2, 2026
Save £2,238 GBP (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,181 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 6.18ct lab-grown cushion diamond

This 6.18ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG825614971 or 825614971. Listed at 12 retailers as of October 31, 2026, with prices from £943 to £3,181, a £2,238 spread on the same certified stone. Taylor and Hart lists it at £3,181. 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

6.18
Carat
F
Colour
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825614971
Dimensions12.21 × 9.24 × 6.31 mm
L/W Ratio1.32
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.21 mm9.24 mm6.18 ctF / VVS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825614971
Side View
Table 57.0%Crown 32.8°Girdle: STK-VTKPavilion 37.2°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £943 GBP|Low: £943 GBP|High: £3,210 GBP|Avg: £2,018 GBP|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 2, 2026
Retailer 1£943 GBP
Retailer 4£1,319 GBP
Retailer 8£1,427 GBP
Retailer 10£1,444 GBP
Retailer 6£1,452 GBP
Retailer 7£1,688 GBP
Retailer 11£1,779 GBP
Retailer 9£2,085 GBP
Retailer 2£2,533 GBP
Retailer 3£2,825 GBP
Retailer 5£3,090 GBP
Taylor and Hart£3,181 GBP

42 data points across 12 retailers

12 retailers£943 GBP to £3,181 GBP

A
Cheapest Retailer
-
£943 GBP
A
Retailer 2
-
£1,319 GBP
View
B+
Retailer 3
-
£1,427 GBP
$1,915 USD
View
A
Retailer 4
-
£1,444 GBP
€1,846 EUR
View
A
Retailer 5
-
£1,452 GBP
$1,948 USD
View
A
Retailer 6
-
£1,688 GBP
A$3,485 AUD
View
A
Retailer 7
-
£1,779 GBP
ZAR 38,559 ZAR
View
B+
Retailer 8
-
£2,085 GBP
$2,798 USD
View
B+
Retailer 9
-
£2,533 GBP
View
B
Retailer 10
-
£2,825 GBP
$3,791 USD
View
B+
Retailer 11
-
£3,090 GBP
View
Most Expensive
B
Taylor and Hart
JAFUCYG · Oct 31
£3,181 GBP
$4,269 USD
View
11 more retailers have this diamond
Prices start from £943 GBPSave up to £2,238 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
6.18ct Cushion
£943 GBP