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Cushion|Lab Grown|IGI

1.15ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG530209737

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG530209737

Diamond specifications and retailer prices

From £158 GBP
As of November 4, 2026
Save £624 GBP (80%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £782 GBP at Michael Trio · As of November 4, 2026
View at Michael Trio

About this 1.15ct lab-grown cushion diamond

This 1.15ct 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 LG530209737 or 530209737. Listed at 4 retailers as of November 4, 2026, with prices from £158 to £782, a £624 spread on the same certified stone. Michael Trio lists it at £782. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530209737
Dimensions7.86 × 5.30 × 3.47 mm
L/W Ratio1.48
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
7.86 mm5.30 mm1.15 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530209737
Side View
Table 60.0%Crown 32.7°Girdle: MediumPavilion 36.4°Culet: NoneDepth 65.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £782 GBP|Low: £113 GBP|High: £815 GBP|Avg: £426 GBP|-4.0%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
September 24, 2026
Retailer 2£158 GBP
Retailer 3£240 GBP
Retailer 4£266 GBP
Retailer 5£410 GBP
Michael Trio£782 GBP

17 data points across 5 retailers

4 retailers£158 GBP to £782 GBP

A
Cheapest Retailer
-
£158 GBP
Final sale: no returns
A
Retailer 2
-
£240 GBP
View
A
Retailer 3
-
£266 GBP
View
Most Expensive
B
Michael Trio
7012994220 · Nov 4
£782 GBP
SGD 1,422 SGD
View
3 more retailers have this diamond
Prices start from £158 GBPSave up to £624 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
1.15ct Cushion
£158 GBP