Cushion|Lab Grown|IGI

5.18ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG754594315

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG754594315

Diamond specifications and retailer prices

From €4,810 EUR
$5,374 USD
As of November 1, 2026
Save €26,482 EUR (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €31,292 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.18ct lab-grown cushion diamond

This 5.18ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594315 or 754594315. Listed at 13 retailers as of October 31, 2026, with prices from €4,810 to €31,292, a €26,482 spread on the same certified stone. Do Amore Diamonds lists it at €31,292. 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

5.18
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594315
Dimensions11.71 × 11.71 × 7.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeLarge
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
11.71 mm11.71 mm5.18 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594315
Side View
Table 63.0%Crown 35.2°Girdle: STK-THKPavilion 37.5°Culet: LargeDepth 64.3%

Caratlytics Score

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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 1
Current: €31,292 EUR|Low: €4,810 EUR|High: €35,437 EUR|Avg: €13,040 EUR|-11.7%
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
Retailer 13
November 1, 2026
Retailer 10€4,810 EUR
Retailer 13€5,214 EUR
Retailer 5€5,451 EUR
Retailer 12€6,770 EUR
Retailer 4€7,953 EUR
Retailer 7€8,152 EUR
Retailer 9€9,802 EUR
Retailer 2€11,851 EUR
Retailer 6€12,149 EUR
Retailer 11€13,265 EUR
Retailer 3€14,589 EUR
Retailer 8€20,883 EUR
Do Amore Diamonds€31,292 EUR

32 data points across 13 retailers

13 retailers€4,810 EUR to €31,292 EUR

A
Cheapest Retailer
-
€4,810 EUR
$5,374 USD
A
Retailer 2
-
€5,214 EUR
$5,825 USD
View
A
Retailer 3
-
€5,451 EUR
$6,090 USD
View
Final sale: no returns
A
Retailer 4
-
€6,770 EUR
$7,564 USD
View
Retailer 5
-
€7,953 EUR
$8,885 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
€8,152 EUR
$9,108 USD
View
A
Retailer 7
-
€9,802 EUR
View
A
Retailer 8
-
€11,851 EUR
£10,425 GBP
View
Retailer 9
-
€12,149 EUR
A$20,881 AUD
View
A
Retailer 10
-
€13,265 EUR
$14,820 USD
View
B+
Retailer 11
-
€14,589 EUR
$16,299 USD
View
B+
Retailer 12
-
€20,883 EUR
A$35,893 AUD
View
Most Expensive
B
Do Amore Diamonds
27-6D217A5A1 · Oct 31
€31,292 EUR
$34,960 USD
View
12 more retailers have this diamond
Prices start from €4,810 EURSave up to €26,482 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
5.18ct Cushion
€4,810 EUR