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Cushion|Lab Grown|IGI

5.15ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG747508065

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

Certificate IGI LG747508065

Diamond specifications and retailer prices

From €4,783 EUR
$5,344 USD
As of November 1, 2026
Save €26,339 EUR (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €31,122 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.15ct lab-grown cushion diamond

This 5.15ct 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 LG747508065 or 747508065. Listed at 13 retailers as of October 31, 2026, with prices from €4,783 to €31,122, a €26,339 spread on the same certified stone. Do Amore Diamonds lists it at €31,122. 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

5.15
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747508065
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
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
10.37 mm7.13 mm5.15 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747508065
Side View
Table 60.0%Crown 35.5°Girdle: MED-THKPavilion 38.4°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: Nov 1
Current: €31,122 EUR|Low: €4,097 EUR|High: €34,175 EUR|Avg: €12,739 EUR|-8.9%
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
Retailer 13
November 1, 2026
Retailer 7€4,783 EUR
Retailer 10€5,268 EUR
Retailer 5€5,421 EUR
Retailer 9€6,699 EUR
Retailer 4€7,872 EUR
Retailer 13€8,302 EUR
Retailer 6€9,744 EUR
Retailer 11€11,848 EUR
Retailer 3€12,714 EUR
Retailer 8€13,194 EUR
Retailer 12€14,506 EUR
Retailer 2€20,768 EUR
Do Amore Diamonds€31,122 EUR

33 data points across 13 retailers

13 retailers€4,783 EUR to €31,122 EUR

A+
Cheapest Retailer
-
€4,783 EUR
$5,344 USD
A
Retailer 2
-
€5,268 EUR
$5,885 USD
View
A
Retailer 3
-
€5,421 EUR
$6,056 USD
View
Final sale: no returns
A
Retailer 4
-
€6,699 EUR
$7,484 USD
View
Retailer 5
-
€7,872 EUR
$8,795 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
€8,302 EUR
$9,275 USD
View
A
Retailer 7
-
€9,744 EUR
View
A
Retailer 8
-
€11,848 EUR
£10,423 GBP
View
Retailer 9
-
€12,714 EUR
A$21,852 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
€13,194 EUR
$14,740 USD
View
B+
Retailer 11
-
€14,506 EUR
$16,207 USD
View
B+
Retailer 12
-
€20,768 EUR
A$35,695 AUD
View
Most Expensive
B
Do Amore Diamonds
27-71CF56288 · Oct 31
€31,122 EUR
$34,770 USD
View
12 more retailers have this diamond
Prices start from €4,783 EURSave up to €26,339 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+
5.15ct Cushion
€4,783 EUR