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Cushion|Lab Grown|IGI

1.58ct I VS1 Cushion Lab Grown Diamond

EX • I/VS1 • IGI LG395995888

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG395995888

Diamond specifications and retailer prices

From £1,268 GBP
$1,699 USD
As of November 1, 2026
Save £381 GBP (23%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,649 GBP at B2C Jewels · As of November 1, 2026
View at B2C Jewels

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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG395995888 or 395995888. Listed at 2 retailers as of November 1, 2026, with prices from £1,268 to £1,649, a £381 spread on the same certified stone. B2C Jewels lists it at £1,649. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG395995888
Dimensions7.06 × 6.74 × 4.25 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.06 mm6.74 mm1.58 ctI / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG395995888
Side View
Table 58.5%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: £1,649 GBP|Low: £1,249 GBP|High: £1,649 GBP|Avg: £1,454 GBP
B2C Jewels
Retailer 2
November 1, 2026
Retailer 2£1,268 GBP
B2C Jewels£1,649 GBP

2 data points across 2 retailers

2 retailers£1,268 GBP to £1,649 GBP

B
Cheapest Retailer
-
£1,268 GBP
$1,699 USD
Most Expensive
C
B2C Jewels
21318861 · Nov 1
£1,649 GBP
$2,210 USD
View
1 more retailer has this diamond
Prices start from £1,268 GBPSave up to £381 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.

B
1.58ct Cushion
£1,268 GBP