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Cushion|Lab Grown|IGI

1.58ct G VVS1 Cushion Lab Grown Diamond

ID • G/VVS1 • IGI LG777613197

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG777613197

Diamond specifications and retailer prices

From £195 GBP
As of November 4, 2026
Save £800 GBP (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £996 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.58ct lab-grown cushion diamond

This 1.58ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG777613197 or 777613197. Listed at 21 retailers as of November 4, 2026, with prices from £195 to £996, a £800 spread on the same certified stone. Brilliant Earth lists it at £996. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777613197
Dimensions7.23 × 6.18 × 4.21 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.23 mm6.18 mm1.58 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777613197
Side View
Table 59.0%Crown 34.5°Girdle: STK-THKPavilion 36.3°Culet: NoneDepth 68.1%

Caratlytics Score

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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 4
Current: £228 GBP|Low: £195 GBP|High: £1,013 GBP|Avg: £533 GBP|-8.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
November 5, 2026
Retailer 7£195 GBP
Retailer 1£228 GBP
Retailer 10£233 GBP
Retailer 2£291 GBP
Retailer 8£316 GBP
Retailer 15£375 GBP
Retailer 16£384 GBP
Retailer 11£406 GBP
Retailer 17£462 GBP
Retailer 13£507 GBP
Retailer 4£512 GBP
Retailer 14£581 GBP
Retailer 5£737 GBP
Retailer 9£758 GBP
Retailer 12£869 GBP
Retailer 6£885 GBP
Retailer 18£885 GBP
Retailer 3£972 GBP

32 data points across 18 retailers

21 retailers£195 GBP to £996 GBP

A
Cheapest Retailer
-
£195 GBP
Final sale: no returns
A
Retailer 2
-
£228 GBP
View
Retailer 3
-
£233 GBP
View
Price last confirmed 12 days ago
B+
Retailer 4
-
£291 GBP
View
Retailer 5
-
£316 GBP
View
Price last confirmed 9 days ago
A
Retailer 6
-
£375 GBP
View
A
Retailer 7
-
£384 GBP
View
A
Retailer 8
-
£406 GBP
View
A
Retailer 9
-
£462 GBP
View
A
Retailer 10
-
£507 GBP
View
A
Retailer 11
-
£512 GBP
View
B+
Retailer 12
-
£581 GBP
View
B+
Retailer 13
-
£737 GBP
View
B+
Retailer 14
-
£758 GBP
View
B+
Retailer 15
-
£783 GBP
View
B+
Retailer 16
-
£825 GBP
View
B+
Retailer 17
-
£869 GBP
View
B+
Retailer 18
-
£885 GBP
View
B
Retailer 19
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£885 GBP
View
B
Retailer 20
-
£972 GBP
View
Most Expensive
B
Brilliant Earth
17936110A · Nov 4
£996 GBP
$1,340 USD
View
20 more retailers have this diamond
Prices start from £195 GBPSave up to £800 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
1.58ct Cushion
£195 GBP