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Cushion|Lab Grown|IGI

4.04ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG728567937

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG728567937

Diamond specifications and retailer prices

From £1,112 GBP
$1,490 USD
As of October 29, 2026
Save £4,388 GBP (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £5,500 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.04ct lab-grown cushion diamond

This 4.04ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG728567937 or 728567937. Listed at 17 retailers as of October 29, 2026, with prices from £1,112 to £5,500, a £4,388 spread on the same certified stone. Brilliant Earth lists it at £5,500. 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

4.04
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728567937
Dimensions8.63 × 8.63 × 5.76 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.63 mm8.63 mm4.04 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728567937
Side View
Table 63.0%Crown 35.4°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 66.7%

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: £5,500 GBP|Low: £961 GBP|High: £5,500 GBP|Avg: £2,279 GBP
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
Retailer 16
October 30, 2026
Retailer 16£996 GBP
Retailer 13£1,112 GBP
Retailer 4£1,270 GBP
Retailer 9£1,444 GBP
Retailer 14£1,496 GBP
Retailer 2£1,556 GBP
Retailer 10£1,597 GBP
Retailer 11£2,119 GBP
Retailer 15£2,267 GBP
Retailer 5£2,570 GBP
Retailer 6£2,753 GBP
Retailer 3£2,753 GBP
Retailer 8£3,007 GBP
Retailer 12£3,216 GBP
Retailer 7£3,485 GBP
Brilliant Earth£5,500 GBP

39 data points across 16 retailers

17 retailers£1,112 GBP to £5,500 GBP

Retailer 1
-
£996 GBP
$1,334 USD
Price last confirmed 18 days ago
A
Retailer 2
-
£1,112 GBP
$1,490 USD
View
A
Retailer 3
-
£1,270 GBP
$1,701 USD
View
A
Retailer 4
-
£1,444 GBP
View
A
Retailer 5
-
£1,496 GBP
$2,005 USD
View
A
Retailer 6
-
£1,556 GBP
$2,085 USD
View
Final sale: no returns
A
Retailer 7
-
£1,597 GBP
€2,038 EUR
View
A
Retailer 8
-
£2,119 GBP
ZAR 45,870 ZAR
View
B+
Retailer 9
-
£2,267 GBP
$3,037 USD
View
B+
Retailer 10
-
£2,570 GBP
$3,443 USD
View
Retailer 11
-
£2,753 GBP
View
Price last confirmed 19 days ago
B+
Retailer 12
-
£2,753 GBP
$3,689 USD
View
B+
Retailer 13
-
£2,882 GBP
$3,862 USD
View
B+
Retailer 14
-
£3,007 GBP
$4,029 USD
View
B+
Retailer 15
-
£3,216 GBP
View
B
Retailer 16
-
£3,485 GBP
$4,669 USD
View
Most Expensive
B
Brilliant Earth
15635025A · Oct 29
£5,500 GBP
$7,370 USD
View
16 more retailers have this diamond
Prices start from £1,112 GBPSave up to £4,388 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
4.04ct Cushion
£1,112 GBP