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Cushion|Lab Grown|IGI

4.04ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG839695926

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839695926

Diamond specifications and retailer prices

From £2,082 GBP
As of October 29, 2026
Save £11,276 GBP (84%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £13,358 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839695926 or 839695926. Listed at 7 retailers as of October 29, 2026, with prices from £2,082 to £13,358, a £11,276 spread on the same certified stone. Do Amore Diamonds lists it at £13,358. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839695926
Dimensions11.65 × 7.89 × 5.09 mm
L/W Ratio1.48
Girdle conditionFaceted
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
11.65 mm7.89 mm4.04 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839695926
Side View
Table 62.0%Crown 33.4°Girdle: MED-STKPavilion 32.4°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £13,358 GBP|Low: £2,013 GBP|High: £13,832 GBP|Avg: £4,520 GBP|-3.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 4£2,082 GBP
Retailer 3£2,359 GBP
Retailer 6£3,560 GBP
Retailer 5£3,631 GBP
Retailer 7£5,524 GBP
Retailer 2£6,334 GBP
Do Amore Diamonds£13,358 GBP

20 data points across 7 retailers

7 retailers£2,082 GBP to £13,358 GBP

A+
Cheapest Retailer
-
£2,082 GBP
A
Retailer 2
-
£2,359 GBP
$3,135 USD
View
A
Retailer 3
-
£3,560 GBP
$4,731 USD
View
A
Retailer 4
-
£3,631 GBP
$4,825 USD
View
A
Retailer 5
-
£5,524 GBP
A$11,292 AUD
View
A
Retailer 6
-
£6,334 GBP
View
Most Expensive
B
Do Amore Diamonds
27-85BF1BB8D · Oct 29
£13,358 GBP
$17,750 USD
View
6 more retailers have this diamond
Prices start from £2,082 GBPSave up to £11,276 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
£2,082 GBP