Cushion|Lab Grown|IGI

3.55ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG843670815

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843670815

Diamond specifications and retailer prices

From €1,680 EUR
$1,877 USD
As of November 1, 2026
Save €7,530 EUR (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €9,210 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.55ct lab-grown cushion diamond

This 3.55ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843670815 or 843670815. Listed at 15 retailers as of October 31, 2026, with prices from €1,680 to €9,210, a €7,530 spread on the same certified stone. Do Amore Diamonds lists it at €9,210. 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

3.55
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843670815
Dimensions11.60 × 7.62 × 4.98 mm
L/W Ratio1.52
Girdle conditionFaceted
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
11.60 mm7.62 mm3.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843670815
Side View
Table 56.0%Crown 31.9°Girdle: STK-THKPavilion 34.2°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
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: €9,210 EUR|Low: €1,531 EUR|High: €10,446 EUR|Avg: €4,365 EUR|+11.6%
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
November 1, 2026
Retailer 14€1,680 EUR
Retailer 15€1,705 EUR
Retailer 2€1,887 EUR
Retailer 5€2,334 EUR
Retailer 11€2,763 EUR
Retailer 13€3,050 EUR
Retailer 9€3,871 EUR
Retailer 7€4,221 EUR
Retailer 4€4,316 EUR
Retailer 16€4,922 EUR
Retailer 6€4,927 EUR
Retailer 8€5,988 EUR
Retailer 12€6,579 EUR
Retailer 3€6,889 EUR
Retailer 10€8,326 EUR
Do Amore Diamonds€9,210 EUR

17 data points across 16 retailers

15 retailers€1,680 EUR to €9,210 EUR

A
Cheapest Retailer
-
€1,680 EUR
$1,877 USD
A
Retailer 2
-
€1,705 EUR
$1,905 USD
View
A
Retailer 3
-
€1,887 EUR
£1,660 GBP
View
A
Retailer 4
-
€2,334 EUR
$2,608 USD
View
A
Retailer 5
-
€2,763 EUR
View
A
Retailer 6
-
€3,050 EUR
$3,408 USD
View
A
Retailer 7
-
€3,871 EUR
A$6,654 AUD
View
Retailer 8
-
€4,221 EUR
$4,716 USD
View
Price last confirmed 16 days ago
B+
Retailer 9
-
€4,316 EUR
$4,822 USD
View
B+
Retailer 10
-
€4,922 EUR
£4,330 GBP
View
Retailer 11
-
€4,927 EUR
$5,505 USD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
€6,579 EUR
$7,350 USD
View
B+
Retailer 13
-
€6,889 EUR
$7,696 USD
View
B
Retailer 14
-
€8,326 EUR
A$14,311 AUD
View
Most Expensive
B
Do Amore Diamonds
27-494F196A1 · Oct 31
€9,210 EUR
$10,290 USD
View
14 more retailers have this diamond
Prices start from €1,680 EURSave up to €7,530 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
3.55ct Cushion
€1,680 EUR