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Cushion|Lab Grown|IGI

4.04ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG689569105

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

Certificate IGI LG689569105

Diamond specifications and retailer prices

From £2,523 GBP
$3,352 USD
As of October 29, 2026
Save £12,296 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £14,818 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 LG689569105 or 689569105. Listed at 21 retailers as of October 29, 2026, with prices from £2,523 to £14,818, a £12,296 spread on the same certified stone. Do Amore Diamonds lists it at £14,818. 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 angle35.9°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689569105
Dimensions9.23 × 9.21 × 6.15 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
9.23 mm9.21 mm4.04 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689569105
Side View
Table 58.0%Crown 35.9°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
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: £14,818 GBP|Low: £2,412 GBP|High: £14,818 GBP|Avg: £6,172 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
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Retailer 15
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 29, 2026
Retailer 8£2,523 GBP
Retailer 19£2,619 GBP
Retailer 5£2,812 GBP
Retailer 18£3,039 GBP
Retailer 6£3,439 GBP
Retailer 14£3,646 GBP
Retailer 2£4,057 GBP
Retailer 3£4,173 GBP
Retailer 10£4,771 GBP
Retailer 17£4,892 GBP
Retailer 15£5,845 GBP
Retailer 16£5,931 GBP
Retailer 11£6,878 GBP
Retailer 13£7,027 GBP
Retailer 7£7,278 GBP
Retailer 9£9,630 GBP
Retailer 12£9,967 GBP
Retailer 4£10,017 GBP
Retailer 20£11,617 GBP
Do Amore Diamonds£14,818 GBP

37 data points across 20 retailers

21 retailers£2,523 GBP to £14,818 GBP

A
Cheapest Retailer
-
£2,523 GBP
$3,352 USD
A
Retailer 2
-
£2,619 GBP
$3,480 USD
View
A
Retailer 3
-
£2,812 GBP
$3,736 USD
View
Final sale: no returns
A
Retailer 4
-
£3,039 GBP
$4,038 USD
View
A
Retailer 5
-
£3,439 GBP
HK$35,700 HKD
View
A
Retailer 6
-
£3,646 GBP
View
A
Retailer 7
-
£3,744 GBP
View
Price last confirmed 13 days ago
A
Retailer 8
-
£4,057 GBP
€5,134 EUR
View
A
Retailer 9
-
£4,173 GBP
$5,545 USD
View
A
Retailer 10
-
£4,771 GBP
View
A
Retailer 11
-
£4,892 GBP
$6,500 USD
View
Price last confirmed 10 days ago
A
Retailer 12
-
£5,845 GBP
ZAR 125,470 ZAR
View
A
Retailer 13
-
£5,931 GBP
A$12,124 AUD
View
A
Retailer 14
-
£6,878 GBP
$9,139 USD
View
B+
Retailer 15
-
£7,027 GBP
View
B+
Retailer 16
-
£7,278 GBP
$9,670 USD
View
B+
Retailer 17
-
£9,630 GBP
$12,796 USD
View
B+
Retailer 18
-
£9,967 GBP
SGD 17,897 SGD
View
B+
Retailer 19
-
£10,017 GBP
$13,310 USD
View
B+
Retailer 20
-
£11,617 GBP
A$23,749 AUD
View
Price last confirmed 20 days ago
Most Expensive
B
Do Amore Diamonds
27-7D305E512 · Oct 29
£14,818 GBP
$19,690 USD
View
20 more retailers have this diamond
Prices start from £2,523 GBPSave up to £12,296 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
£2,523 GBP