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Cushion|Lab Grown|IGI

4.10ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG833685485

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG833685485

Diamond specifications and retailer prices

From $4,152 AUD
£2,296 GBP
As of October 26, 2026
Save $23,723 AUD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $27,874 AUD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 LG833685485 or 833685485. Listed at 12 retailers as of October 26, 2026, with prices from $4,152 to $27,874, a $23,723 spread on the same certified stone. Brilliant Earth lists it at $27,874. 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 angle35.2°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833685485
Dimensions11.31 × 8.20 × 5.42 mm
L/W Ratio1.38
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
11.31 mm8.20 mm4.10 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833685485
Side View
Table 59.0%Crown 35.2°Girdle: MED-THKPavilion 37.6°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
A+
Exceptional
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 26
Current: $27,874 AUD|Low: $4,151 AUD|High: $27,874 AUD|Avg: $13,803 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 26, 2026
Retailer 7$4,152 AUD
Retailer 8$4,741 AUD
Retailer 11$5,971 AUD
Retailer 2$7,020 AUD
Retailer 9$8,108 AUD
Retailer 12$9,446 AUD
Retailer 10$10,911 AUD
Retailer 13$12,949 AUD
Retailer 4$13,312 AUD
Retailer 3$22,302 AUD
Retailer 6$26,749 AUD
Retailer 5$27,510 AUD
Brilliant Earth$27,874 AUD

25 data points across 13 retailers

12 retailers$4,152 AUD to $27,874 AUD

A+
Cheapest Retailer
-
$4,152 AUD
£2,296 GBP
A
Retailer 2
-
$4,741 AUD
$3,330 USD
View
A
Retailer 3
-
$5,971 AUD
$4,194 USD
View
A
Retailer 4
-
$7,020 AUD
$4,931 USD
View
A
Retailer 5
-
$8,108 AUD
€5,424 EUR
View
Retailer 6
-
$9,446 AUD
$6,635 USD
View
Price last confirmed 11 days ago
Retailer 7
-
$10,911 AUD
View
Price last confirmed 8 days ago
Retailer 8
-
$12,949 AUD
£7,162 GBP
View
Price last confirmed 11 days ago
Retailer 9
-
$13,312 AUD
$9,351 USD
View
Price last confirmed 14 days ago
Retailer 10
-
$22,302 AUD
View
Price last confirmed 22 days ago
B
Retailer 11
-
$26,749 AUD
$18,790 USD
View
Most Expensive
B
Brilliant Earth
22166860Y · Oct 26
$27,874 AUD
$19,580 USD
View
11 more retailers have this diamond
Prices start from $4,152 AUDSave up to $23,723 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
$4,152 AUD