Cushion|Lab Grown|IGI

4.25ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG689566676

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689566676

Diamond specifications and retailer prices

From €2,785 EUR
$3,111 USD
As of October 29, 2026
Save €15,887 EUR (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €18,672 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.25ct lab-grown cushion diamond

This 4.25ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689566676 or 689566676. Listed at 20 retailers as of October 29, 2026, with prices from €2,785 to €18,672, a €15,887 spread on the same certified stone. Do Amore Diamonds lists it at €18,672. 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

4.25
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689566676
Dimensions11.03 × 8.75 × 5.63 mm
L/W Ratio1.26
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
11.03 mm8.75 mm4.25 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689566676
Side View
Table 63.0%Crown 34.4°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 64.3%

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: €11,914 EUR|Low: €2,785 EUR|High: €13,238 EUR|Avg: €6,884 EUR|-10.0%
Retailer 1
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
October 30, 2026
Retailer 17€2,785 EUR
Retailer 9€3,165 EUR
Retailer 6€3,289 EUR
Retailer 16€3,964 EUR
Retailer 12€4,220 EUR
Retailer 2€5,126 EUR
Retailer 8€5,277 EUR
Retailer 14€5,497 EUR
Retailer 5€6,203 EUR
Retailer 15€6,774 EUR
Retailer 4€7,498 EUR
Retailer 10€7,940 EUR
Retailer 3€8,853 EUR
Retailer 13€11,091 EUR
Retailer 7€11,309 EUR
Retailer 11€11,469 EUR
Retailer 1€11,914 EUR

42 data points across 17 retailers

20 retailers€2,785 EUR to €18,672 EUR

A
Cheapest Retailer
-
€2,785 EUR
$3,111 USD
Final sale: no returns
A
Retailer 2
-
€3,165 EUR
$3,536 USD
View
A
Retailer 3
-
€3,289 EUR
$3,675 USD
View
A
Retailer 4
-
€3,964 EUR
HK$34,600 HKD
View
A
Retailer 5
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€4,220 EUR
£3,712 GBP
View
A
Retailer 6
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€4,287 EUR
$4,790 USD
View
A
Retailer 7
-
€5,126 EUR
View
A
Retailer 8
-
€5,277 EUR
$5,895 USD
View
A
Retailer 9
-
€5,497 EUR
£4,836 GBP
View
Retailer 10
-
€6,203 EUR
$6,930 USD
View
Price last confirmed 11 days ago
A
Retailer 11
-
€6,774 EUR
ZAR 122,263 ZAR
View
Retailer 12
-
€7,498 EUR
A$12,888 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
€7,940 EUR
$8,871 USD
View
B+
Retailer 14
-
€8,853 EUR
£7,788 GBP
View
B+
Retailer 15
-
€9,206 EUR
$10,285 USD
View
B+
Retailer 16
-
€11,091 EUR
$12,391 USD
View
Retailer 17
-
€11,309 EUR
A$19,437 AUD
View
Price last confirmed 21 days ago
B+
Retailer 18
-
€11,469 EUR
SGD 17,315 SGD
View
B+
Retailer 19
-
€11,914 EUR
$13,310 USD
View
Most Expensive
B
Do Amore Diamonds
27-CFF249A6B · Oct 29
€18,672 EUR
$20,860 USD
View
19 more retailers have this diamond
Prices start from €2,785 EURSave up to €15,887 EUR

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
4.25ct Cushion
€2,785 EUR