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Cushion|Lab Grown|IGI

4.10ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG665410054

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG665410054

Diamond specifications and retailer prices

From $4,247 AUD
$2,983 USD
As of October 29, 2026
Save $21,848 AUD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $26,095 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.1ct lab-grown cushion diamond

This 4.1ct 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 LG665410054 or 665410054. Listed at 20 retailers as of October 29, 2026, with prices from $4,247 to $26,095, a $21,848 spread on the same certified stone. Do Amore Diamonds lists it at $26,095. 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

4.10
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665410054
Dimensions10.47 × 8.71 × 5.75 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 mm8.71 mm4.10 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665410054
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 66.0%

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 29
Current: $26,095 AUD|Low: $4,247 AUD|High: $28,415 AUD|Avg: $12,244 AUD|-8.2%
Do Amore Diamonds
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
Retailer 19
Retailer 20
October 31, 2026
Retailer 5$4,247 AUD
Retailer 15$4,484 AUD
Retailer 13$4,548 AUD
Retailer 14$5,840 AUD
Retailer 4$6,013 AUD
Retailer 2$6,564 AUD
Retailer 6$7,788 AUD
Retailer 11$8,008 AUD
Retailer 20$8,375 AUD
Retailer 9$9,303 AUD
Retailer 3$10,339 AUD
Retailer 8$11,384 AUD
Retailer 17$12,142 AUD
Retailer 7$13,477 AUD
Retailer 12$13,971 AUD
Retailer 16$16,443 AUD
Retailer 19$16,919 AUD
Retailer 18$17,430 AUD
Retailer 10$22,302 AUD
Do Amore Diamonds$26,095 AUD

35 data points across 20 retailers

20 retailers$4,247 AUD to $26,095 AUD

A
Cheapest Retailer
-
$4,247 AUD
$2,983 USD
Final sale: no returns
A
Retailer 2
-
$4,484 AUD
$3,150 USD
View
A
Retailer 3
-
$4,548 AUD
$3,195 USD
View
A
Retailer 4
-
$5,840 AUD
$4,102 USD
View
A
Retailer 5
-
$6,013 AUD
HK$33,000 HKD
View
A
Retailer 6
-
$6,564 AUD
£3,630 GBP
View
A
Retailer 7
-
$7,788 AUD
€5,210 EUR
View
A
Retailer 8
-
$8,008 AUD
$5,625 USD
View
A
Retailer 9
-
$8,375 AUD
£4,632 GBP
View
Retailer 10
-
$9,303 AUD
$6,535 USD
View
Price last confirmed 12 days ago
A
Retailer 11
-
$10,339 AUD
ZAR 117,330 ZAR
View
Retailer 12
-
$11,384 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$12,142 AUD
$8,529 USD
View
B+
Retailer 14
-
$13,477 AUD
£7,454 GBP
View
B+
Retailer 15
-
$13,971 AUD
$9,814 USD
View
B+
Retailer 16
-
$16,443 AUD
$11,550 USD
View
B+
Retailer 17
-
$16,919 AUD
$11,884 USD
View
B+
Retailer 18
-
$17,430 AUD
SGD 16,545 SGD
View
Retailer 19
-
$22,302 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Do Amore Diamonds
27-1E197205F · Oct 31
$26,095 AUD
$18,330 USD
View
19 more retailers have this diamond
Prices start from $4,247 AUDSave up to $21,848 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
4.10ct Cushion
$4,247 AUD