Cushion|Lab Grown|IGI

4.11ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG800684543

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG800684543

Diamond specifications and retailer prices

From $3,985 USD
As of October 30, 2026
Save $20,865 USD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $24,850 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.11ct lab-grown cushion diamond

This 4.11ct 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 LG800684543 or 800684543. Listed at 10 retailers as of October 30, 2026, with prices from $3,985 to $24,850, a $20,865 spread on the same certified stone. Do Amore Diamonds lists it at $24,850. 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

4.11
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800684543
Dimensions9.41 × 9.19 × 6.06 mm
L/W Ratio1.02
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
9.41 mm9.19 mm4.11 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800684543
Side View
Table 61.0%Crown 35.2°Girdle: MED-THKPavilion 38°Culet: NoneDepth 65.9%

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: $24,850 USD|Low: $3,985 USD|High: $31,820 USD|Avg: $10,762 USD|-21.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3$3,985 USD
Retailer 6$4,345 USD
Retailer 5$4,451 USD
Retailer 10$5,496 USD
Retailer 8$6,539 USD
Retailer 2$7,919 USD
Retailer 9$8,095 USD
Retailer 7$9,959 USD
Retailer 4$12,740 USD
Do Amore Diamonds$24,850 USD

28 data points across 10 retailers

10 retailers$3,985 USD to $24,850 USD

A+
Cheapest Retailer
-
$3,985 USD
A
Retailer 2
-
$4,345 USD
View
A
Retailer 3
-
$4,451 USD
View
A
Retailer 4
-
$5,496 USD
View
Final sale: no returns
A
Retailer 5
-
$6,539 USD
View
A
Retailer 6
-
$7,919 USD
€7,542 EUR
View
Retailer 7
-
$8,095 USD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$9,959 USD
£7,842 GBP
View
B+
Retailer 9
-
$12,740 USD
View
Most Expensive
B
Do Amore Diamonds
27-5675C870E · Oct 31
$24,850 USD
View
9 more retailers have this diamond
Prices start from $3,985 USDSave up to $20,865 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+
4.11ct Cushion
$3,985 USD