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Cushion|Lab Grown|IGI

6.58ct F FL Cushion Lab Grown Diamond

ID • F/FL • IGI LG790648546

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG790648546

Diamond specifications and retailer prices

From €24,197 EUR
$27,033 USD
As of November 1, 2026
Save €26,102 EUR (52%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €50,299 EUR at Yorxs · As of October 31, 2026
View at Yorxs

About this 6.58ct lab-grown cushion diamond

This 6.58ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790648546 or 790648546. Listed at 16 retailers as of October 31, 2026, with prices from €24,197 to €50,299, a €26,102 spread on the same certified stone. Yorxs lists it at €50,299. 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

6.58
Carat
F
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790648546
Dimensions13.58 × 8.91 × 6.05 mm
L/W Ratio1.52
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.58 mm8.91 mm6.58 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790648546
Side View
Table 66.0%Crown 37.5°Girdle: STK-THKPavilion 33.7°Culet: NoneDepth 67.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €30,232 EUR|Low: €19,115 EUR|High: €104,894 EUR|Avg: €38,702 EUR|-5.6%
Retailer 1
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
Yorxs
November 1, 2026
Retailer 11€20,260 EUR
Retailer 2€24,197 EUR
Retailer 9€24,937 EUR
Retailer 3€26,976 EUR
Retailer 10€27,184 EUR
Retailer 12€27,236 EUR
Retailer 13€29,697 EUR
Retailer 1€30,232 EUR
Retailer 4€30,468 EUR
Retailer 7€35,207 EUR
Retailer 8€41,569 EUR
Retailer 5€42,533 EUR
Yorxs€50,299 EUR
Retailer 6€64,866 EUR
Retailer 14€104,894 EUR

37 data points across 15 retailers

16 retailers€24,197 EUR to €50,299 EUR

Retailer 1
-
€20,260 EUR
$22,635 USD
Price last confirmed 14 days ago
B+
Retailer 2
-
€24,197 EUR
$27,033 USD
View
B+
Retailer 3
-
€24,937 EUR
$27,860 USD
View
B
Retailer 4
-
€26,976 EUR
$30,138 USD
View
B+
Retailer 5
-
€27,184 EUR
$30,370 USD
View
B
Retailer 6
-
€27,236 EUR
$30,428 USD
View
Retailer 7
-
€29,697 EUR
$33,178 USD
View
Price last confirmed 16 days ago
B+
Retailer 8
-
€30,232 EUR
£26,595 GBP
View
B
Retailer 9
-
€30,468 EUR
$34,039 USD
View
Final sale: no returns
B+
Retailer 10
-
€35,207 EUR
$39,333 USD
View
B
Retailer 11
-
€37,472 EUR
$41,864 USD
View
B
Retailer 12
-
€41,569 EUR
£36,568 GBP
View
B
Retailer 13
-
€42,533 EUR
£37,416 GBP
View
Most Expensive
B
Yorxs
526907125 · Oct 31
€50,299 EUR
View
13 more retailers have this diamond
Prices start from €24,197 EURSave up to €26,102 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.

B+
6.58ct Cushion
€24,197 EUR