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Cushion|Lab Grown|IGI

5.59ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780665859

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780665859

Diamond specifications and retailer prices

From €6,944 EUR
$7,758 USD
As of October 30, 2026
Save €35,421 EUR (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €42,365 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.59ct lab-grown cushion diamond

This 5.59ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780665859 or 780665859. Listed at 11 retailers as of October 30, 2026, with prices from €6,944 to €42,365, a €35,421 spread on the same certified stone. Do Amore Diamonds lists it at €42,365. 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

5.59
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665859
Dimensions11.79 × 9.34 × 6.32 mm
L/W Ratio1.26
Girdle conditionFaceted
Culet sizePointed
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
11.79 mm9.34 mm5.59 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665859
Side View
Table 59.0%Crown 36.5°Girdle: ThickPavilion 35.2°Culet: NoneDepth 67.7%

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: Oct 30
Current: €42,365 EUR|Low: €6,944 EUR|High: €73,829 EUR|Avg: €22,457 EUR|-15.9%
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
October 31, 2026
Retailer 5€6,944 EUR
Retailer 10€7,756 EUR
Retailer 11€9,127 EUR
Retailer 12€9,585 EUR
Retailer 3€12,318 EUR
Retailer 7€14,452 EUR
Retailer 2€15,319 EUR
Retailer 6€15,745 EUR
Retailer 8€15,910 EUR
Retailer 9€21,919 EUR
Do Amore Diamonds€42,365 EUR
Retailer 4€73,829 EUR

30 data points across 12 retailers

11 retailers€6,944 EUR to €42,365 EUR

A+
Cheapest Retailer
-
€6,944 EUR
$7,758 USD
A
Retailer 2
-
€7,756 EUR
$8,665 USD
View
A
Retailer 3
-
€9,127 EUR
$10,197 USD
View
A
Retailer 4
-
€9,585 EUR
$10,708 USD
View
Final sale: no returns
Retailer 5
-
€12,318 EUR
$13,761 USD
View
Price last confirmed 83 days ago
A
Retailer 6
-
€14,452 EUR
$16,146 USD
View
A
Retailer 7
-
€15,319 EUR
View
B+
Retailer 8
-
€15,745 EUR
$17,590 USD
View
B+
Retailer 9
-
€15,910 EUR
£13,996 GBP
View
B+
Retailer 10
-
€21,919 EUR
$24,488 USD
View
Most Expensive
B
Do Amore Diamonds
27-27F90F60D · Oct 31
€42,365 EUR
$47,330 USD
View
10 more retailers have this diamond
Prices start from €6,944 EURSave up to €35,421 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+
5.59ct Cushion
€6,944 EUR