CaratHunter
Plans
Cushion|Lab Grown|IGI

1.55ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG751506390

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG751506390

Diamond specifications and retailer prices

From €339 EUR
$379 USD
As of November 1, 2026
Save €2,355 EUR (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,694 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown cushion diamond

This 1.55ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG751506390 or 751506390. Listed at 21 retailers as of October 31, 2026, with prices from €339 to €2,694, a €2,355 spread on the same certified stone. Do Amore Diamonds lists it at €2,694. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.1°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG751506390
Dimensions7.60 × 6.41 × 4.29 mm
L/W Ratio1.19
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
7.60 mm6.41 mm1.55 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG751506390
Side View
Table 59.0%Crown 31.1°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
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: €2,694 EUR|Low: €339 EUR|High: €3,616 EUR|Avg: €1,401 EUR
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 8€339 EUR
Retailer 5€377 EUR
Retailer 18€516 EUR
Retailer 14€540 EUR
Retailer 17€542 EUR
Retailer 4€607 EUR
Retailer 2€717 EUR
Retailer 12€745 EUR
Retailer 3€748 EUR
Retailer 16€965 EUR
Retailer 7€1,422 EUR
Retailer 6€1,461 EUR
Retailer 10€1,475 EUR
Retailer 9€1,504 EUR
Retailer 13€1,623 EUR
Retailer 11€1,828 EUR
Retailer 19€2,296 EUR
Retailer 15€2,605 EUR
Do Amore Diamonds€2,694 EUR

42 data points across 19 retailers

21 retailers€339 EUR to €2,694 EUR

A
Cheapest Retailer
-
€339 EUR
$379 USD
Final sale: no returns
Retailer 2
-
€377 EUR
$421 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€516 EUR
HK$4,500 HKD
View
A
Retailer 4
-
€540 EUR
$603 USD
View
A
Retailer 5
-
€542 EUR
$605 USD
View
A
Retailer 6
-
€607 EUR
$678 USD
View
A
Retailer 7
-
€717 EUR
ZAR 12,935 ZAR
View
A
Retailer 8
-
€745 EUR
£655 GBP
View
A
Retailer 9
-
€748 EUR
$836 USD
View
A
Retailer 10
-
€965 EUR
A$1,658 AUD
View
B+
Retailer 11
-
€1,387 EUR
$1,550 USD
View
B+
Retailer 12
-
€1,422 EUR
$1,589 USD
View
B+
Retailer 13
-
€1,461 EUR
$1,632 USD
View
B+
Retailer 14
-
€1,475 EUR
$1,648 USD
View
B+
Retailer 15
-
€1,504 EUR
SGD 2,271 SGD
View
B+
Retailer 16
-
€1,623 EUR
£1,428 GBP
View
Retailer 17
-
€1,828 EUR
£1,608 GBP
View
Price last confirmed 18 days ago
Retailer 18
-
€2,296 EUR
$2,565 USD
View
Price last confirmed 14 days ago
B
Retailer 19
-
€2,546 EUR
£2,240 GBP
View
B
Retailer 20
-
€2,605 EUR
$2,910 USD
View
Most Expensive
B
Do Amore Diamonds
27-B941CA181 · Oct 31
€2,694 EUR
$3,010 USD
View
20 more retailers have this diamond
Prices start from €339 EURSave up to €2,355 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
1.55ct Cushion
€339 EUR