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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 $3,111 USD
As of October 29, 2026
Save $15,999 USD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $19,110 USD at Do Amore Diamonds · As of October 31, 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 $3,111 to $19,110, a $15,999 spread on the same certified stone. Do Amore Diamonds lists it at $19,110. 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
Color
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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Price History

Last verified: Oct 29
Current: $19,110 USD|Low: $3,111 USD|High: $19,110 USD|Avg: $7,896 USD
Do Amore Diamonds
Retailer 2
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Retailer 19
October 31, 2026
Retailer 5$3,111 USD
Retailer 12$3,240 USD
Retailer 14$3,273 USD
Retailer 4$4,429 USD
Retailer 2$4,714 USD
Retailer 13$4,734 USD
Retailer 6$5,727 USD
Retailer 11$5,895 USD
Retailer 19$6,142 USD
Retailer 9$6,930 USD
Retailer 3$7,568 USD
Retailer 8$8,377 USD
Retailer 16$8,871 USD
Retailer 7$9,891 USD
Retailer 18$12,391 USD
Retailer 10$12,634 USD
Retailer 17$12,813 USD
Retailer 15$13,310 USD
Do Amore Diamonds$19,110 USD

40 data points across 19 retailers

20 retailers$3,111 USD to $19,110 USD

A
Cheapest Retailer
-
$3,111 USD
Final sale: no returns
A
Retailer 2
-
$3,240 USD
View
A
Retailer 3
-
$3,273 USD
View
A
Retailer 4
-
$4,429 USD
HK$34,600 HKD
View
A
Retailer 5
-
$4,714 USD
£3,712 GBP
View
A
Retailer 6
-
$4,734 USD
View
A
Retailer 7
-
$5,727 USD
€5,454 EUR
View
A
Retailer 8
-
$5,895 USD
View
A
Retailer 9
-
$6,142 USD
£4,836 GBP
View
Retailer 10
-
$6,930 USD
View
Price last confirmed 12 days ago
A
Retailer 11
-
$7,568 USD
ZAR 122,263 ZAR
View
Retailer 12
-
$8,377 USD
A$12,888 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$8,871 USD
View
B+
Retailer 14
-
$9,891 USD
£7,788 GBP
View
B+
Retailer 15
-
$10,285 USD
View
B+
Retailer 16
-
$12,391 USD
View
Retailer 17
-
$12,634 USD
A$19,437 AUD
View
Price last confirmed 22 days ago
B+
Retailer 18
-
$12,813 USD
SGD 17,315 SGD
View
B+
Retailer 19
-
$13,310 USD
View
Most Expensive
B
Do Amore Diamonds
27-CFF249A6B · Oct 31
$19,110 USD
View
19 more retailers have this diamond
Prices start from $3,111 USDSave up to $15,999 USD

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
$3,111 USD