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Cushion|Lab Grown|IGI

4.04ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG681578637

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG681578637

Diamond specifications and retailer prices

From $3,245 USD
As of October 30, 2026
Save $14,081 USD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $17,326 USD at With Clarity · As of October 30, 2026
View at With Clarity

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 LG681578637 or 681578637. Listed at 21 retailers as of October 30, 2026, with prices from $3,245 to $17,326, a $14,081 spread on the same certified stone. With Clarity lists it at $17,326. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681578637
Dimensions10.47 × 8.73 × 5.71 mm
L/W Ratio1.20
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
10.47 mm8.73 mm4.04 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681578637
Side View
Table 60.0%Crown 33.9°Girdle: STK-VTKPavilion 36.4°Culet: NoneDepth 65.4%

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 30
Current: $5,292 USD|Low: $3,245 USD|High: $18,660 USD|Avg: $8,591 USD
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
Retailer 18
With Clarity
October 31, 2026
Retailer 13$3,245 USD
Retailer 11$3,390 USD
Retailer 7$3,820 USD
Retailer 3$4,096 USD
Retailer 16$4,543 USD
Retailer 1$5,292 USD
Retailer 4$5,391 USD
Retailer 9$5,545 USD
Retailer 18$5,806 USD
Retailer 2$7,157 USD
Retailer 6$7,881 USD
Retailer 5$9,337 USD
Retailer 14$9,349 USD
Retailer 10$9,670 USD
Retailer 12$10,800 USD
Retailer 17$11,714 USD
Retailer 15$11,865 USD
Retailer 8$15,437 USD
With Clarity$17,326 USD

35 data points across 19 retailers

21 retailers$3,245 USD to $17,326 USD

A
Cheapest Retailer
-
$3,245 USD
Final sale: no returns
A
Retailer 2
-
$3,390 USD
View
A
Retailer 3
-
$3,820 USD
View
A
Retailer 4
-
$4,096 USD
HK$32,000 HKD
View
A
Retailer 5
-
$4,543 USD
£3,577 GBP
View
Retailer 6
-
$4,975 USD
£3,917 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
$5,292 USD
View
A
Retailer 8
-
$5,391 USD
€5,134 EUR
View
A
Retailer 9
-
$5,545 USD
View
A
Retailer 10
-
$5,806 USD
£4,572 GBP
View
Retailer 11
-
$6,831 USD
View
Price last confirmed 95 days ago
A
Retailer 12
-
$7,157 USD
ZAR 115,629 ZAR
View
Retailer 13
-
$7,881 USD
A$12,124 AUD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$9,337 USD
£7,352 GBP
View
B+
Retailer 15
-
$9,349 USD
View
B+
Retailer 16
-
$9,670 USD
View
B+
Retailer 17
-
$10,800 USD
View
B+
Retailer 18
-
$11,714 USD
View
B+
Retailer 19
-
$11,865 USD
SGD 16,034 SGD
View
Retailer 20
-
$15,437 USD
A$23,749 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
With Clarity
681578637 · Oct 30
$17,326 USD
View
20 more retailers have this diamond
Prices start from $3,245 USDSave up to $14,081 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
4.04ct Cushion
$3,245 USD