Cushion|Lab Grown|IGI

5.00ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG817615950

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817615950

Diamond specifications and retailer prices

From £946 GBP
$1,267 USD
As of October 31, 2026
Save £325 GBP (26%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,646 GBP at Brilliance · As of October 21, 2026
View at Brilliance

About this 5ct lab-grown cushion diamond

This 5ct 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 LG817615950 or 817615950. Listed at 3 retailers as of October 28, 2026, with a 34% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.00
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817615950
Dimensions12.09 × 8.71 × 5.82 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.09 mm8.71 mm5.00 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817615950
Side View
Table 64.0%Crown 35.8°Girdle: STK-THKPavilion 36.7°Culet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £2,646 GBP|Low: £939 GBP|High: £2,646 GBP|Avg: £1,799 GBP|+2.1%
Brilliance
Retailer 2
Retailer 3
October 27, 2026
Retailer 2£946 GBP
Retailer 3£1,271 GBP
Brilliance£2,646 GBP

7 data points across 3 retailers

3 retailers£946 GBP to £1,271 GBP

A
Cheapest Retailer
-
£946 GBP
$1,267 USD
Final sale: no returns
A
Retailer 2
-
£1,271 GBP
$1,703 USD
View
Most Expensive
Brilliance
D44171587 · Oct 21
£2,646 GBP
$3,546 USD
View
Price last confirmed 10 days ago
2 more retailers have this diamond
Prices start from £946 GBPSave up to £325 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
5.00ct Cushion
£946 GBP