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Cushion|Lab Grown|IGI

5.42ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG838607713

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG838607713

Diamond specifications and retailer prices

From £832 GBP
$1,115 USD
As of October 31, 2026
Save £4,220 GBP (84%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £5,053 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.42ct lab-grown cushion diamond

This 5.42ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG838607713 or 838607713. Listed at 3 retailers as of October 30, 2026, with prices from £832 to £5,053, a £4,220 spread on the same certified stone. Brilliant Earth lists it at £5,053. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.42
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838607713
Dimensions11.78 × 9.13 × 6.22 mm
L/W Ratio1.29
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.78 mm9.13 mm5.42 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838607713
Side View
Table 61.0%Crown 35.6°Girdle: MED-THKPavilion 35.8°Culet: NoneDepth 68.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £5,053 GBP|Low: £811 GBP|High: £9,837 GBP|Avg: £4,503 GBP|-48.6%
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 3£832 GBP
Retailer 2£1,271 GBP
Brilliant Earth£5,053 GBP

29 data points across 3 retailers

3 retailers£832 GBP to £5,053 GBP

A
Cheapest Retailer
-
£832 GBP
$1,115 USD
Final sale: no returns
A
Retailer 2
-
£1,271 GBP
View
Most Expensive
B
Brilliant Earth
21542462A · Oct 30
£5,053 GBP
$6,770 USD
View
2 more retailers have this diamond
Prices start from £832 GBPSave up to £4,220 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
5.42ct Cushion
£832 GBP