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Cushion|Lab Grown|IGI

6.18ct F VVS2 Cushion Lab Grown Diamond

EX • F/VVS2 • IGI LG720510340

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG720510340

Diamond specifications and retailer prices

From £1,797 GBP
CA$3,349 CAD
As of November 2, 2026
Save £2,600 GBP (59%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £4,397 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 LG720510340 or 720510340. Listed at 3 retailers as of November 1, 2026, with prices from £1,797 to £4,397, a £2,600 spread on the same certified stone. Do Amore Diamonds lists it at £4,397. 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 angle36.5°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720510340
Dimensions12.87 × 9.29 × 6.32 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Top View
12.87 mm9.29 mm6.18 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720510340
Side View
Table 64.0%Crown 36.5°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 68.0%

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: £5,030 GBP|Low: £782 GBP|High: £5,395 GBP|Avg: £2,051 GBP|-6.8%
Do Amore Diamonds
Retailer 2
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Retailer 14
August 3, 2026
Retailer 9£790 GBP
Retailer 6£996 GBP
Retailer 5£1,088 GBP
Retailer 8£1,145 GBP
Retailer 14£1,167 GBP
Retailer 10£1,475 GBP
Retailer 7£1,797 GBP
Retailer 12£1,857 GBP
Retailer 11£2,035 GBP
Retailer 3£2,562 GBP
Retailer 2£3,169 GBP
Retailer 4£3,549 GBP
Retailer 13£4,206 GBP
Do Amore Diamonds£5,030 GBP

59 data points across 14 retailers

3 retailers£1,797 GBP to £4,397 GBP

A
Cheapest Retailer
-
£1,797 GBP
CA$3,349 CAD
B+
Retailer 2
-
£3,169 GBP
$4,252 USD
View
Most Expensive
B
Do Amore Diamonds
22-720510340 · Nov 1
£4,397 GBP
$5,900 USD
View
2 more retailers have this diamond
Prices start from £1,797 GBPSave up to £2,600 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
£1,797 GBP