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Cushion|Lab Grown|IGI

4.11ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804660080

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

Certificate IGI LG804660080

Diamond specifications and retailer prices

From $5,673 AUD
$3,985 USD
As of October 30, 2026
Save $29,703 AUD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $35,376 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.11ct lab-grown cushion diamond

This 4.11ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804660080 or 804660080. Listed at 10 retailers as of October 30, 2026, with prices from $5,673 to $35,376, a $29,703 spread on the same certified stone. Do Amore Diamonds lists it at $35,376. 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

4.11
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660080
Dimensions9.42 × 9.33 × 6.03 mm
L/W Ratio1.01
Girdle conditionFaceted
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
9.42 mm9.33 mm4.11 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660080
Side View
Table 63.0%Crown 37.3°Girdle: MED-THKPavilion 37.7°Culet: NoneDepth 64.6%

Caratlytics Score

How it works →
A+
Exceptional
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: $35,376 AUD|Low: $5,673 AUD|High: $45,299 AUD|Avg: $15,270 AUD|-21.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$5,673 AUD
Retailer 6$6,186 AUD
Retailer 4$6,336 AUD
Retailer 10$7,824 AUD
Retailer 8$9,309 AUD
Retailer 5$11,354 AUD
Retailer 9$11,524 AUD
Retailer 7$14,178 AUD
Retailer 3$18,137 AUD
Do Amore Diamonds$35,376 AUD

27 data points across 10 retailers

10 retailers$5,673 AUD to $35,376 AUD

A+
Cheapest Retailer
-
$5,673 AUD
$3,985 USD
A
Retailer 2
-
$6,186 AUD
$4,345 USD
View
A
Retailer 3
-
$6,336 AUD
$4,451 USD
View
A
Retailer 4
-
$7,824 AUD
$5,496 USD
View
Final sale: no returns
A
Retailer 5
-
$9,309 AUD
$6,539 USD
View
A
Retailer 6
-
$11,354 AUD
€7,596 EUR
View
Retailer 7
-
$11,524 AUD
$8,095 USD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$14,178 AUD
£7,842 GBP
View
B+
Retailer 9
-
$18,137 AUD
$12,740 USD
View
Most Expensive
B
Do Amore Diamonds
27-631806704 · Oct 31
$35,376 AUD
$24,850 USD
View
9 more retailers have this diamond
Prices start from $5,673 AUDSave up to $29,703 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+
4.11ct Cushion
$5,673 AUD