Cushion|Lab Grown|IGI

4.04ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG681579155

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

Certificate IGI LG681579155

Diamond specifications and retailer prices

From £1,406 GBP
$1,884 USD
As of October 30, 2026
Save £7,632 GBP (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £9,038 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 LG681579155 or 681579155. Listed at 20 retailers as of October 29, 2026, with prices from £1,406 to £9,038, a £7,632 spread on the same certified stone. Brilliant Earth lists it at £9,038. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681579155
Dimensions9.28 × 9.19 × 6.23 mm
L/W Ratio1.01
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
9.28 mm9.19 mm4.04 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681579155
Side View
Table 63.0%Crown 37.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 67.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £9,038 GBP|Low: £1,406 GBP|High: £9,314 GBP|Avg: £3,681 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
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 2£1,406 GBP
Retailer 15£1,500 GBP
Retailer 5£1,631 GBP
Retailer 7£1,767 GBP
Retailer 11£2,065 GBP
Retailer 17£2,185 GBP
Retailer 13£2,316 GBP
Retailer 18£2,399 GBP
Retailer 8£3,014 GBP
Retailer 12£3,101 GBP
Retailer 9£3,781 GBP
Retailer 14£4,183 GBP
Retailer 3£4,217 GBP
Retailer 16£4,819 GBP
Retailer 6£5,105 GBP
Retailer 10£5,113 GBP
Retailer 4£7,445 GBP
Brilliant Earth£9,038 GBP

33 data points across 18 retailers

20 retailers£1,406 GBP to £9,038 GBP

A
Cheapest Retailer
-
£1,406 GBP
$1,884 USD
Final sale: no returns
A
Retailer 2
-
£1,500 GBP
$2,010 USD
View
A
Retailer 3
-
£1,631 GBP
$2,186 USD
View
A
Retailer 4
-
£1,767 GBP
HK$18,500 HKD
View
A
Retailer 5
-
£2,065 GBP
View
Retailer 6
-
£2,116 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
£2,185 GBP
$2,928 USD
View
B+
Retailer 8
-
£2,316 GBP
€2,955 EUR
View
B+
Retailer 9
-
£2,399 GBP
$3,215 USD
View
B+
Retailer 10
-
£3,014 GBP
View
B+
Retailer 11
-
£3,101 GBP
ZAR 67,128 ZAR
View
B
Retailer 12
-
£3,781 GBP
$5,066 USD
View
B+
Retailer 13
-
£4,183 GBP
View
B
Retailer 14
-
£4,217 GBP
$5,650 USD
View
Retailer 15
-
£4,819 GBP
A$9,933 AUD
View
Price last confirmed 22 days ago
B
Retailer 16
-
£5,105 GBP
SGD 9,243 SGD
View
B
Retailer 17
-
£5,113 GBP
$6,850 USD
View
Retailer 18
-
£5,700 GBP
$7,638 USD
View
B
Retailer 19
-
£7,445 GBP
$9,976 USD
View
Most Expensive
B
Brilliant Earth
13772977A · Oct 29
£9,038 GBP
$12,110 USD
View
19 more retailers have this diamond
Prices start from £1,406 GBPSave up to £7,632 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
£1,406 GBP