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Cushion|Lab Grown|IGI

1.18ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG617447303

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG617447303

Diamond specifications and retailer prices

From £188 GBP
As of November 2, 2026
Save £889 GBP (83%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,077 GBP at Do Amore Diamonds · As of November 2, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG617447303 or 617447303. Listed at 7 retailers as of November 2, 2026, with prices from £188 to £1,077, a £889 spread on the same certified stone. Do Amore Diamonds lists it at £1,077. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617447303
Dimensions6.17 × 6.10 × 4.05 mm
L/W Ratio1.01
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
6.17 mm6.10 mm1.18 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617447303
Side View
Table 59.0%Crown 33.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 66.4%

Caratlytics Score

How it works →
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 2
Current: £1,077 GBP|Low: £97 GBP|High: £1,159 GBP|Avg: £486 GBP|-7.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
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Retailer 12
Retailer 13
November 2, 2026
Retailer 10£132 GBP
Retailer 2£188 GBP
Retailer 7£256 GBP
Retailer 11£282 GBP
Retailer 5£291 GBP
Retailer 13£305 GBP
Retailer 4£374 GBP
Retailer 6£375 GBP
Retailer 12£665 GBP
Retailer 3£669 GBP
Retailer 8£720 GBP
Retailer 9£951 GBP
Do Amore Diamonds£1,077 GBP

29 data points across 13 retailers

7 retailers£188 GBP to £1,077 GBP

A
Cheapest Retailer
-
£188 GBP
B+
Retailer 2
-
£256 GBP
View
A
Retailer 3
-
£375 GBP
View
B
Retailer 4
-
£669 GBP
View
Retailer 5
-
£720 GBP
View
Price last confirmed 11 days ago
B
Retailer 6
-
£951 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4C98F3269 · Nov 2
£1,077 GBP
$1,450 USD
View
6 more retailers have this diamond
Prices start from £188 GBPSave up to £889 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
£188 GBP