Cushion|Lab Grown|IGI

3.55ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG631466065

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG631466065

Diamond specifications and retailer prices

From €1,777 EUR
$1,985 USD
As of October 31, 2026
Save €10,413 EUR (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €12,189 EUR at Yadav Diamonds · As of October 30, 2026
View at Yadav 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 LG631466065 or 631466065. Listed at 24 retailers as of October 30, 2026, with prices from €1,777 to €12,189, a €10,413 spread on the same certified stone. Yadav Diamonds lists it at €12,189. 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
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle30.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631466065
Dimensions8.56 × 8.20 × 5.29 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Top View
8.56 mm8.20 mm3.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631466065
Side View
Table 63.0%Crown 36.7°Girdle: MED-THKPavilion 30.3°Culet: NoneDepth 61.1%

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: Oct 31
Current: €2,795 EUR|Low: €1,777 EUR|High: €12,111 EUR|Avg: €4,878 EUR|-11.4%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 6€1,777 EUR
Retailer 12€1,889 EUR
Retailer 3€2,026 EUR
Retailer 13€2,043 EUR
Retailer 1€2,795 EUR
Retailer 10€2,905 EUR
Retailer 19€3,042 EUR
Retailer 2€3,062 EUR
Retailer 16€3,083 EUR
Retailer 9€3,860 EUR
Retailer 18€4,596 EUR
Retailer 15€4,718 EUR
Retailer 20€4,914 EUR
Retailer 7€4,960 EUR
Retailer 4€5,496 EUR
Retailer 17€5,834 EUR
Retailer 8€7,113 EUR
Retailer 11€8,429 EUR
Retailer 14€9,193 EUR
Retailer 5€10,920 EUR

35 data points across 20 retailers

24 retailers€1,777 EUR to €12,189 EUR

A
Cheapest Retailer
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€1,777 EUR
$1,985 USD
Final sale: no returns
A
Retailer 2
-
€1,889 EUR
$2,110 USD
View
A
Retailer 3
-
€2,026 EUR
$2,263 USD
View
Retailer 4
-
€2,043 EUR
$2,282 USD
View
Price last confirmed 20 days ago
A
Retailer 5
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€2,269 EUR
$2,535 USD
View
Final sale: no returns
A
Retailer 6
-
€2,795 EUR
£2,458 GBP
View
A
Retailer 7
-
€2,905 EUR
$3,245 USD
View
A
Retailer 8
-
€3,042 EUR
$3,399 USD
View
A
Retailer 9
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€3,062 EUR
$3,421 USD
View
A
Retailer 10
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€3,083 EUR
View
A
Retailer 11
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€3,860 EUR
£3,396 GBP
View
Retailer 12
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€4,596 EUR
A$7,899 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
€4,718 EUR
ZAR 85,155 ZAR
View
A
Retailer 14
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€4,914 EUR
$5,490 USD
View
B+
Retailer 15
-
€4,960 EUR
$5,541 USD
View
Retailer 16
-
€5,357 EUR
$5,985 USD
View
Price last confirmed 10 days ago
B+
Retailer 17
-
€5,496 EUR
$6,140 USD
View
B+
Retailer 18
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€5,834 EUR
£5,132 GBP
View
B+
Retailer 19
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€7,113 EUR
$7,946 USD
View
Retailer 20
-
€8,429 EUR
A$14,487 AUD
View
Price last confirmed 22 days ago
B
Retailer 21
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€9,193 EUR
$10,270 USD
View
Retailer 22
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€10,446 EUR
$11,670 USD
View
Price last confirmed 16 days ago
B
Retailer 23
-
€10,920 EUR
$12,200 USD
View
Most Expensive
B
Yadav Diamonds
13157155 · Oct 30
€12,189 EUR
$13,618 USD
View
23 more retailers have this diamond
Prices start from €1,777 EURSave up to €10,413 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
€1,777 EUR