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Cushion|Lab Grown|IGI

5.08ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG817651493

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817651493

Diamond specifications and retailer prices

From £851 GBP
$1,133 USD
As of October 29, 2026
Save £3,925 GBP (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,776 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 5.08ct lab-grown cushion diamond

This 5.08ct 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 LG817651493 or 817651493. Listed at 18 retailers as of October 28, 2026, with prices from £851 to £4,776, a £3,925 spread on the same certified stone. Brilliant Earth lists it at £4,776. 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

5.08
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817651493
Dimensions11.84 × 8.63 × 5.66 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.84 mm8.63 mm5.08 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817651493
Side View
Table 67.0%Crown 38.4°Girdle: MED-THKPavilion 35.7°Culet: NoneDepth 65.6%

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: Oct 29
Current: £4,776 GBP|Low: £851 GBP|High: £4,926 GBP|Avg: £2,327 GBP|-3.0%
Brilliant Earth
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
October 30, 2026
Retailer 6£851 GBP
Retailer 3£882 GBP
Retailer 17£984 GBP
Retailer 2£1,271 GBP
Retailer 8£1,408 GBP
Retailer 11£1,413 GBP
Retailer 16£1,742 GBP
Retailer 14£1,785 GBP
Retailer 5£1,938 GBP
Retailer 9£2,438 GBP
Retailer 13£2,602 GBP
Retailer 4£2,710 GBP
Retailer 7£2,957 GBP
Retailer 12£2,994 GBP
Retailer 10£3,074 GBP
Retailer 18£3,324 GBP
Retailer 15£3,691 GBP
Brilliant Earth£4,776 GBP

38 data points across 18 retailers

18 retailers£851 GBP to £4,776 GBP

A
Cheapest Retailer
-
£851 GBP
$1,133 USD
Final sale: no returns
Retailer 2
-
£882 GBP
$1,174 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
£984 GBP
$1,310 USD
View
A
Retailer 4
-
£1,271 GBP
View
A
Retailer 5
-
£1,408 GBP
$1,875 USD
View
A
Retailer 6
-
£1,413 GBP
€1,792 EUR
View
A
Retailer 7
-
£1,742 GBP
$2,320 USD
View
Retailer 8
-
£1,785 GBP
A$3,657 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
£1,938 GBP
$2,581 USD
View
B+
Retailer 10
-
£2,438 GBP
View
B+
Retailer 11
-
£2,602 GBP
$3,465 USD
View
B+
Retailer 12
-
£2,710 GBP
$3,609 USD
View
B+
Retailer 13
-
£2,957 GBP
SGD 5,321 SGD
View
B+
Retailer 14
-
£2,994 GBP
View
B+
Retailer 15
-
£3,074 GBP
$4,094 USD
View
Retailer 16
-
£3,324 GBP
A$6,809 AUD
View
Price last confirmed 21 days ago
Retailer 17
-
£3,691 GBP
$4,915 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
20937670A · Oct 28
£4,776 GBP
$6,360 USD
View
17 more retailers have this diamond
Prices start from £851 GBPSave up to £3,925 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
5.08ct Cushion
£851 GBP