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Cushion|Lab Grown|IGI

4.78ct D VS1 Cushion Lab Grown Diamond

GD • D/VS1 • IGI LG722535802

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

Certificate IGI LG722535802

Diamond specifications and retailer prices

From £1,146 GBP
$1,536 USD
As of October 30, 2026
Save £5,623 GBP (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £6,769 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.78ct lab-grown cushion diamond

This 4.78ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG722535802 or 722535802. Listed at 9 retailers as of October 29, 2026, with prices from £1,146 to £6,769, a £5,623 spread on the same certified stone. Do Amore Diamonds lists it at £6,769. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.78
Carat
D
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722535802
Dimensions9.45 × 9.43 × 6.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.45 mm9.43 mm4.78 ctD / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722535802
Side View
Table 61.0%Crown 34.3°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 66.9%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £6,769 GBP|Low: £928 GBP|High: £6,881 GBP|Avg: £2,287 GBP
Do Amore Diamonds
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
October 29, 2026
Retailer 10£950 GBP
Retailer 4£973 GBP
Retailer 5£1,051 GBP
Retailer 11£1,146 GBP
Retailer 13£1,434 GBP
Retailer 7£1,437 GBP
Retailer 12£1,720 GBP
Retailer 8£2,124 GBP
Retailer 14£2,247 GBP
Retailer 6£2,266 GBP
Retailer 3£3,061 GBP
Retailer 2£3,206 GBP
Retailer 9£3,762 GBP
Do Amore Diamonds£6,769 GBP

21 data points across 14 retailers

9 retailers£1,146 GBP to £6,769 GBP

Retailer 1
-
£950 GBP
Price last confirmed 14 days ago
B+
Retailer 2
-
£1,146 GBP
$1,536 USD
View
B+
Retailer 3
-
£1,434 GBP
$1,922 USD
View
B+
Retailer 4
-
£1,437 GBP
$1,925 USD
View
B+
Retailer 5
-
£1,720 GBP
$2,305 USD
View
Retailer 6
-
£2,124 GBP
A$4,379 AUD
View
Price last confirmed 9 days ago
B
Retailer 7
-
£3,206 GBP
View
Retailer 8
-
£3,762 GBP
$5,040 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Do Amore Diamonds
7-1796140 · Oct 29
£6,769 GBP
$9,070 USD
View
8 more retailers have this diamond
Prices start from £1,146 GBPSave up to £5,623 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+
4.78ct Cushion
£1,146 GBP