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Cushion|Lab Grown|IGI

1.18ct G VVS2 Cushion Lab Grown Diamond

EX • G/VVS2 • IGI LG621488100

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG621488100

Diamond specifications and retailer prices

From £240 GBP
As of October 30, 2026
Save £1,133 GBP (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,373 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.18ct lab-grown cushion diamond

This 1.18ct lab-grown cushion sits in the classic one-carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG621488100 or 621488100. Listed at 14 retailers as of October 30, 2026, with prices from £240 to £1,373, a £1,133 spread on the same certified stone. Do Amore Diamonds lists it at £1,373. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG621488100
Dimensions6.38 × 5.97 × 3.94 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.38 mm5.97 mm1.18 ctG / VVS2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621488100
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.0%

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: Oct 30
Current: £1,373 GBP|Low: £240 GBP|High: £1,373 GBP|Avg: £508 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 3£240 GBP
Retailer 7£310 GBP
Retailer 5£336 GBP
Retailer 8£360 GBP
Retailer 2£362 GBP
Retailer 6£418 GBP
Retailer 4£789 GBP
Do Amore Diamonds£1,373 GBP

45 data points across 8 retailers

14 retailers£240 GBP to £1,373 GBP

A
Cheapest Retailer
-
£240 GBP
A
Retailer 2
-
£255 GBP
$342 USD
View
A
Retailer 3
-
£310 GBP
$415 USD
View
A
Retailer 4
-
£336 GBP
ZAR 7,279 ZAR
View
A
Retailer 5
-
£360 GBP
$482 USD
View
A
Retailer 6
-
£362 GBP
View
B+
Retailer 7
-
£418 GBP
$560 USD
View
B+
Retailer 8
-
£418 GBP
$560 USD
View
Retailer 9
-
£433 GBP
$580 USD
View
Price last confirmed 26 days ago
Retailer 10
-
£433 GBP
$580 USD
View
Price last confirmed 26 days ago
Retailer 11
-
£433 GBP
$580 USD
View
Price last confirmed 26 days ago
B
Retailer 12
-
£758 GBP
$1,015 USD
View
B
Retailer 13
-
£789 GBP
View
Most Expensive
B
Do Amore Diamonds
27-002B9502E · Oct 31
£1,373 GBP
$1,840 USD
View
13 more retailers have this diamond
Prices start from £240 GBPSave up to £1,133 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
1.18ct Cushion
£240 GBP