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Cushion|Lab Grown|IGI

4.10ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG836639950

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836639950

Diamond specifications and retailer prices

From $2,882 USD
£2,270 GBP
As of October 30, 2026
Save $15,658 USD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $18,540 USD at Do Amore Diamonds · As of October 30, 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 LG836639950 or 836639950. Listed at 15 retailers as of October 30, 2026, with prices from $2,882 to $18,540, a $15,658 spread on the same certified stone. Do Amore Diamonds lists it at $18,540. 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 angle31.8°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836639950
Dimensions11.53 × 8.31 × 5.41 mm
L/W Ratio1.39
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
11.53 mm8.31 mm4.10 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836639950
Side View
Table 58.0%Crown 31.8°Girdle: STK-THKPavilion 36.5°Culet: NoneDepth 65.1%

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 30
Current: $18,540 USD|Low: $2,882 USD|High: $20,180 USD|Avg: $9,186 USD|-3.3%
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
October 30, 2026
Retailer 10$2,882 USD
Retailer 2$3,091 USD
Retailer 13$3,285 USD
Retailer 11$4,183 USD
Retailer 3$4,931 USD
Retailer 12$5,635 USD
Retailer 5$6,635 USD
Retailer 4$7,664 USD
Retailer 16$8,482 USD
Retailer 14$8,792 USD
Retailer 7$9,351 USD
Retailer 9$11,550 USD
Retailer 15$13,334 USD
Retailer 6$15,666 USD
Do Amore Diamonds$18,540 USD
Retailer 8$19,324 USD

30 data points across 16 retailers

15 retailers$2,882 USD to $18,540 USD

A+
Cheapest Retailer
-
$2,882 USD
£2,270 GBP
A
Retailer 2
-
$3,091 USD
View
A
Retailer 3
-
$3,285 USD
View
A
Retailer 4
-
$4,183 USD
View
A
Retailer 5
-
$4,931 USD
View
A
Retailer 6
-
$5,635 USD
€5,367 EUR
View
Retailer 7
-
$6,635 USD
View
Price last confirmed 12 days ago
Retailer 8
-
$7,664 USD
A$11,791 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$8,482 USD
View
A
Retailer 10
-
$8,792 USD
£6,923 GBP
View
Retailer 11
-
$9,351 USD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
$11,550 USD
View
B
Retailer 13
-
$13,334 USD
View
Retailer 14
-
$15,666 USD
A$24,101 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Do Amore Diamonds
27-66D57BD6B · Oct 30
$18,540 USD
View
14 more retailers have this diamond
Prices start from $2,882 USDSave up to $15,658 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
$2,882 USD