Cushion|Lab Grown|IGI

4.40ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG821638858

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG821638858

Diamond specifications and retailer prices

From $4,243 USD
As of November 3, 2026
Save $23,317 USD (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $27,560 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 4.4ct lab-grown cushion diamond

This 4.4ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821638858 or 821638858. Listed at 9 retailers as of November 2, 2026, with prices from $4,243 to $27,560, a $23,317 spread on the same certified stone. Do Amore Diamonds lists it at $27,560. 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

4.40
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821638858
Dimensions10.50 × 8.76 × 6.03 mm
L/W Ratio1.20
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
10.50 mm8.76 mm4.40 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821638858
Side View
Table 56.0%Crown 35.8°Girdle: STK-THKPavilion 36°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
A
Excellent
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: Nov 3
Current: $27,560 USD|Low: $4,595 USD|High: $35,379 USD|Avg: $14,271 USD|-2.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 5$4,700 USD
Retailer 8$4,714 USD
Retailer 7$5,071 USD
Retailer 4$7,197 USD
Retailer 3$8,829 USD
Retailer 2$10,621 USD
Retailer 9$11,315 USD
Retailer 6$13,640 USD
Do Amore Diamonds$27,560 USD
Retailer 10$32,022 USD

32 data points across 10 retailers

9 retailers$4,243 USD to $27,560 USD

A
Cheapest Retailer
-
$4,243 USD
A
Retailer 2
-
$4,700 USD
View
A
Retailer 3
-
$5,071 USD
View
A
Retailer 4
-
$7,197 USD
View
A
Retailer 5
-
$8,829 USD
€8,409 EUR
View
B+
Retailer 6
-
$10,621 USD
£8,363 GBP
View
Retailer 7
-
$11,315 USD
View
Price last confirmed 16 days ago
B+
Retailer 8
-
$13,640 USD
View
Most Expensive
B
Do Amore Diamonds
27-241B18C4E · Nov 2
$27,560 USD
View
8 more retailers have this diamond
Prices start from $4,243 USDSave up to $23,317 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
4.40ct Cushion
$4,243 USD