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 $2,916 USD
£2,296 GBP
As of October 26, 2026
Save $16,664 USD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $19,580 USD 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 $2,916 to $19,580, a $16,664 spread on the same certified stone. Brilliant Earth lists it at $19,580. 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
Color
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

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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: $19,580 USD|Low: $2,916 USD|High: $19,580 USD|Avg: $9,696 USD
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$2,916 USD
Retailer 8$3,330 USD
Retailer 11$4,194 USD
Retailer 2$4,931 USD
Retailer 9$5,695 USD
Retailer 12$6,635 USD
Retailer 10$7,664 USD
Retailer 13$9,096 USD
Retailer 4$9,351 USD
Retailer 3$15,666 USD
Retailer 6$18,790 USD
Retailer 5$19,324 USD
Brilliant Earth$19,580 USD

25 data points across 13 retailers

12 retailers$2,916 USD to $19,580 USD

A+
Cheapest Retailer
-
$2,916 USD
£2,296 GBP
A
Retailer 2
-
$3,330 USD
View
A
Retailer 3
-
$4,194 USD
View
A
Retailer 4
-
$4,931 USD
View
A
Retailer 5
-
$5,695 USD
€5,424 EUR
View
Retailer 6
-
$6,635 USD
View
Price last confirmed 11 days ago
Retailer 7
-
$7,664 USD
A$11,791 AUD
View
Price last confirmed 7 days ago
Retailer 8
-
$9,096 USD
£7,162 GBP
View
Price last confirmed 11 days ago
Retailer 9
-
$9,351 USD
View
Price last confirmed 14 days ago
Retailer 10
-
$15,666 USD
A$24,101 AUD
View
Price last confirmed 21 days ago
B
Retailer 11
-
$18,790 USD
View
Most Expensive
B
Brilliant Earth
22166860Y · Oct 26
$19,580 USD
View
11 more retailers have this diamond
Prices start from $2,916 USDSave up to $16,664 USD

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
$2,916 USD