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Cushion|Lab Grown|IGI

4.10ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG739546609

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG739546609

Diamond specifications and retailer prices

From $4,585 AUD
$3,221 USD
As of October 29, 2026
Save $23,588 AUD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $28,173 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 LG739546609 or 739546609. Listed at 21 retailers as of October 29, 2026, with prices from $4,585 to $28,173, a $23,588 spread on the same certified stone. Do Amore Diamonds lists it at $28,173. 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 angle35.1°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739546609
Dimensions10.59 × 8.77 × 5.76 mm
L/W Ratio1.21
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
10.59 mm8.77 mm4.10 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739546609
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 34.1°Culet: NoneDepth 65.7%

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: $28,173 AUD|Low: $4,585 AUD|High: $30,664 AUD|Avg: $12,822 AUD|-8.1%
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
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 6$4,585 AUD
Retailer 16$4,798 AUD
Retailer 13$4,975 AUD
Retailer 15$5,901 AUD
Retailer 5$6,542 AUD
Retailer 2$6,908 AUD
Retailer 7$8,480 AUD
Retailer 11$8,681 AUD
Retailer 3$9,069 AUD
Retailer 10$9,438 AUD
Retailer 4$11,157 AUD
Retailer 17$11,963 AUD
Retailer 8$12,238 AUD
Retailer 9$12,338 AUD
Retailer 19$13,078 AUD
Retailer 14$15,152 AUD
Retailer 18$16,443 AUD
Retailer 21$18,317 AUD
Retailer 20$18,953 AUD
Retailer 12$22,251 AUD
Do Amore Diamonds$28,173 AUD

36 data points across 21 retailers

21 retailers$4,585 AUD to $28,173 AUD

A
Cheapest Retailer
-
$4,585 AUD
$3,221 USD
Final sale: no returns
A
Retailer 2
-
$4,798 AUD
$3,370 USD
View
A
Retailer 3
-
$4,975 AUD
$3,495 USD
View
A
Retailer 4
-
$5,901 AUD
$4,145 USD
View
A
Retailer 5
-
$6,542 AUD
HK$35,900 HKD
View
A
Retailer 6
-
$6,908 AUD
£3,821 GBP
View
A
Retailer 7
-
$8,480 AUD
€5,673 EUR
View
A
Retailer 8
-
$8,681 AUD
$6,098 USD
View
A
Retailer 9
-
$9,069 AUD
£5,016 GBP
View
Retailer 10
-
$9,438 AUD
$6,630 USD
View
Price last confirmed 12 days ago
A
Retailer 11
-
$11,157 AUD
ZAR 126,614 ZAR
View
A
Retailer 12
-
$11,963 AUD
$8,403 USD
View
A
Retailer 13
-
$12,238 AUD
£6,769 GBP
View
Retailer 14
-
$12,338 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$13,078 AUD
$9,186 USD
View
B+
Retailer 16
-
$15,152 AUD
$10,644 USD
View
B+
Retailer 17
-
$16,443 AUD
$11,550 USD
View
B+
Retailer 18
-
$18,317 AUD
$12,867 USD
View
B+
Retailer 19
-
$18,953 AUD
SGD 17,991 SGD
View
Retailer 20
-
$22,251 AUD
View
Price last confirmed 30 days ago
Most Expensive
B
Do Amore Diamonds
27-AE9219108 · Oct 31
$28,173 AUD
$19,790 USD
View
20 more retailers have this diamond
Prices start from $4,585 AUDSave up to $23,588 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
$4,585 AUD