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Cushion|Lab Grown|IGI

4.04ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG665445026

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG665445026

Diamond specifications and retailer prices

From $4,185 AUD
$2,940 USD
As of October 30, 2026
Save $21,539 AUD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $25,724 AUD at Do Amore Diamonds · As of October 31, 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 LG665445026 or 665445026. Listed at 20 retailers as of October 30, 2026, with prices from $4,185 to $25,724, a $21,539 spread on the same certified stone. Do Amore Diamonds lists it at $25,724. 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 angle34.1°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665445026
Dimensions10.61 × 8.59 × 5.78 mm
L/W Ratio1.24
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
10.61 mm8.59 mm4.04 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665445026
Side View
Table 58.0%Crown 34.1°Girdle: MED-THKPavilion 36.4°Culet: NoneDepth 67.3%

Caratlytics Score

How it works →
A
Excellent
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 30
Current: $25,724 AUD|Low: $4,185 AUD|High: $28,031 AUD|Avg: $11,357 AUD|-8.2%
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 15
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Retailer 20
October 31, 2026
Retailer 17$4,185 AUD
Retailer 15$4,425 AUD
Retailer 13$4,477 AUD
Retailer 14$5,682 AUD
Retailer 5$5,940 AUD
Retailer 2$6,468 AUD
Retailer 6$7,674 AUD
Retailer 10$7,894 AUD
Retailer 3$8,266 AUD
Retailer 9$9,253 AUD
Retailer 4$10,189 AUD
Retailer 8$11,219 AUD
Retailer 18$11,977 AUD
Retailer 7$13,292 AUD
Retailer 12$13,766 AUD
Retailer 16$15,375 AUD
Retailer 20$16,676 AUD
Retailer 19$17,181 AUD
Retailer 11$21,925 AUD
Do Amore Diamonds$25,724 AUD

35 data points across 20 retailers

20 retailers$4,185 AUD to $25,724 AUD

A
Cheapest Retailer
-
$4,185 AUD
$2,940 USD
Final sale: no returns
A
Retailer 2
-
$4,425 AUD
$3,108 USD
View
A
Retailer 3
-
$4,477 AUD
$3,145 USD
View
A
Retailer 4
-
$5,682 AUD
$3,991 USD
View
A
Retailer 5
-
$5,940 AUD
HK$32,600 HKD
View
A
Retailer 6
-
$6,468 AUD
£3,578 GBP
View
A
Retailer 7
-
$7,674 AUD
€5,134 EUR
View
A
Retailer 8
-
$7,894 AUD
$5,545 USD
View
A
Retailer 9
-
$8,266 AUD
£4,572 GBP
View
Retailer 10
-
$9,253 AUD
$6,500 USD
View
Price last confirmed 12 days ago
A
Retailer 11
-
$10,189 AUD
ZAR 115,629 ZAR
View
Retailer 12
-
$11,219 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$11,977 AUD
$8,413 USD
View
B+
Retailer 14
-
$13,292 AUD
£7,352 GBP
View
B+
Retailer 15
-
$13,766 AUD
$9,670 USD
View
B+
Retailer 16
-
$15,375 AUD
$10,800 USD
View
B+
Retailer 17
-
$16,676 AUD
$11,714 USD
View
B+
Retailer 18
-
$17,181 AUD
SGD 16,309 SGD
View
Retailer 19
-
$21,925 AUD
View
Price last confirmed 30 days ago
Most Expensive
B
Do Amore Diamonds
27-507AC5F44 · Oct 31
$25,724 AUD
$18,070 USD
View
19 more retailers have this diamond
Prices start from $4,185 AUDSave up to $21,539 AUD

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
$4,185 AUD