CaratHunter
Plans
Cushion|Lab Grown|IGI

4.10ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804659515

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804659515

Diamond specifications and retailer prices

From €3,790 EUR
$4,234 USD
As of November 1, 2026
Save €13,223 EUR (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €17,013 EUR at Blue Nile · As of October 31, 2026
View at Blue Nile

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804659515 or 804659515. Listed at 14 retailers as of October 31, 2026, with prices from €3,790 to €17,013, a €13,223 spread on the same certified stone. Blue Nile lists it at €17,013. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659515
Dimensions10.40 × 8.70 × 5.77 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
10.40 mm8.70 mm4.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659515
Side View
Table 58.0%Crown 37.4°Girdle: MED-STKPavilion 36°Culet: NoneDepth 66.3%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €17,013 EUR|Low: €3,790 EUR|High: €19,352 EUR|Avg: €9,642 EUR|+65.4%
Blue Nile
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
November 1, 2026
Retailer 10€3,790 EUR
Retailer 9€3,893 EUR
Retailer 3€5,534 EUR
Retailer 7€5,675 EUR
Retailer 2€6,715 EUR
Retailer 8€7,140 EUR
Retailer 6€7,179 EUR
Retailer 14€9,331 EUR
Retailer 4€9,732 EUR
Retailer 11€10,063 EUR
Retailer 12€11,368 EUR
Retailer 5€12,595 EUR
Retailer 13€15,606 EUR
Blue Nile€17,013 EUR

34 data points across 14 retailers

14 retailers€3,790 EUR to €17,013 EUR

A+
Cheapest Retailer
-
€3,790 EUR
$4,234 USD
A
Retailer 2
-
€3,893 EUR
$4,349 USD
View
A
Retailer 3
-
€5,534 EUR
HK$48,300 HKD
View
A
Retailer 4
-
€5,675 EUR
£4,992 GBP
View
A
Retailer 5
-
€6,715 EUR
$7,502 USD
View
A
Retailer 6
-
€7,140 EUR
View
Retailer 7
-
€7,179 EUR
$8,020 USD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
€9,331 EUR
ZAR 168,419 ZAR
View
B+
Retailer 9
-
€9,732 EUR
£8,561 GBP
View
B+
Retailer 10
-
€10,063 EUR
$11,243 USD
View
B+
Retailer 11
-
€11,368 EUR
$12,700 USD
View
B+
Retailer 12
-
€12,595 EUR
$14,071 USD
View
B+
Retailer 13
-
€15,606 EUR
$17,435 USD
View
Most Expensive
B
Blue Nile
29978291 · Oct 31
€17,013 EUR
$19,007 USD
View
13 more retailers have this diamond
Prices start from €3,790 EURSave up to €13,223 EUR

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
€3,790 EUR