Cushion|Lab Grown|IGI

4.88ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG816676244

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816676244

Diamond specifications and retailer prices

From £789 GBP
As of October 24, 2026
Save £2,093 GBP (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £5,896 GBP at Queensmith · As of October 10, 2026
View at Queensmith

About this 4.88ct lab-grown cushion diamond

This 4.88ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816676244 or 816676244. Listed at 16 retailers as of October 24, 2026, with a 265% 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

4.88
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816676244
Dimensions11.73 × 8.91 × 5.97 mm
L/W Ratio1.32
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.73 mm8.91 mm4.88 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816676244
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 35.7°Culet: NoneDepth 67.0%

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 24
Current: £5,896 GBP|Low: £789 GBP|High: £5,896 GBP|Avg: £2,301 GBP
Queensmith
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
October 25, 2026
Retailer 14£789 GBP
Retailer 17£799 GBP
Retailer 9£917 GBP
Retailer 5£1,049 GBP
Retailer 2£1,083 GBP
Retailer 15£1,283 GBP
Retailer 3£1,325 GBP
Retailer 11£1,745 GBP
Retailer 4£1,963 GBP
Retailer 10£2,158 GBP
Retailer 16£2,286 GBP
Retailer 13£2,567 GBP
Retailer 7£2,800 GBP
Retailer 12£2,881 GBP
Retailer 6£3,126 GBP
Retailer 8£3,180 GBP
Queensmith£5,896 GBP

36 data points across 17 retailers

16 retailers£789 GBP to £2,881 GBP

A
Cheapest Retailer
-
£789 GBP
Retailer 2
-
£917 GBP
$1,229 USD
View
Price last confirmed 13 days ago
Retailer 3
-
£1,049 GBP
$1,405 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£1,083 GBP
$1,451 USD
View
A
Retailer 5
-
£1,283 GBP
View
Retailer 6
-
£1,325 GBP
$1,775 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
£1,745 GBP
ZAR 37,779 ZAR
View
Retailer 8
-
£1,963 GBP
A$4,046 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£2,158 GBP
$2,891 USD
View
Retailer 10
-
£2,286 GBP
View
Price last confirmed 7 days ago
B+
Retailer 11
-
£2,567 GBP
$3,439 USD
View
Retailer 12
-
£2,800 GBP
$3,752 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
£2,881 GBP
$3,861 USD
View
Retailer 14
-
£3,126 GBP
View
Price last confirmed 11 days ago
Retailer 15
-
£3,180 GBP
A$6,556 AUD
View
Price last confirmed 22 days ago
Most Expensive
Queensmith
LG816676244 · Oct 10
£5,896 GBP
View
Price last confirmed 20 days ago
15 more retailers have this diamond
Prices start from £789 GBPSave up to £2,093 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
4.88ct Cushion
£789 GBP