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Cushion|Lab Grown|IGI

6.18ct F VVS2 Cushion Lab Grown Diamond

EX • F/VVS2 • IGI LG720522677

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG720522677

Diamond specifications and retailer prices

From £1,800 GBP
CA$3,349 CAD
As of October 30, 2026
Save £2,604 GBP (59%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £4,403 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

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 top-tier cut grade and certified by IGI LG720522677 or 720522677. Listed at 3 retailers as of October 30, 2026, with prices from £1,800 to £4,403, a £2,604 spread on the same certified stone. Do Amore Diamonds lists it at £4,403. 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

6.18
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720522677
Dimensions12.91 × 9.34 × 6.33 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Top View
12.91 mm9.34 mm6.18 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720522677
Side View
Table 62.0%Crown 35.9°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 67.8%

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: Oct 30
Current: £4,844 GBP|Low: £765 GBP|High: £5,291 GBP|Avg: £2,139 GBP|-8.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
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Retailer 14
August 3, 2026
Retailer 12£765 GBP
Retailer 6£997 GBP
Retailer 5£1,090 GBP
Retailer 13£1,146 GBP
Retailer 9£1,149 GBP
Retailer 14£1,478 GBP
Retailer 7£1,800 GBP
Retailer 8£1,856 GBP
Retailer 11£2,246 GBP
Retailer 10£2,496 GBP
Retailer 2£3,173 GBP
Retailer 4£3,554 GBP
Retailer 3£4,213 GBP
Do Amore Diamonds£4,844 GBP

58 data points across 14 retailers

3 retailers£1,800 GBP to £4,403 GBP

A
Cheapest Retailer
-
£1,800 GBP
CA$3,349 CAD
B+
Retailer 2
-
£3,173 GBP
$4,252 USD
View
Most Expensive
B
Do Amore Diamonds
22-720522677 · Nov 1
£4,403 GBP
$5,900 USD
View
2 more retailers have this diamond
Prices start from £1,800 GBPSave up to £2,604 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
£1,800 GBP