Cushion|Lab Grown|IGI

2.60ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG801674914

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

Certificate IGI LG801674914

Diamond specifications and retailer prices

From €291 EUR
$325 USD
As of October 31, 2026
Save €1,795 EUR (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,086 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.6ct lab-grown cushion diamond

This 2.6ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG801674914 or 801674914. Listed at 15 retailers as of October 31, 2026, with prices from €291 to €2,086, a €1,795 spread on the same certified stone. Brilliant Earth lists it at €2,086. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.60
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801674914
Dimensions8.15 × 8.03 × 4.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.15 mm8.03 mm2.60 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801674914
Side View
Table 67.0%Crown 34.2°Girdle: STK-THKPavilion 33.4°Culet: NoneDepth 58.9%

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: Oct 31
Current: €2,086 EUR|Low: €276 EUR|High: €3,580 EUR|Avg: €950 EUR|-39.9%
Brilliant Earth
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
October 31, 2026
Retailer 15€291 EUR
Retailer 7€305 EUR
Retailer 10€406 EUR
Retailer 4€434 EUR
Retailer 9€465 EUR
Retailer 2€526 EUR
Retailer 8€567 EUR
Retailer 12€661 EUR
Retailer 14€748 EUR
Retailer 3€1,036 EUR
Retailer 5€1,082 EUR
Retailer 11€1,302 EUR
Retailer 13€1,328 EUR
Retailer 6€1,830 EUR
Brilliant Earth€2,086 EUR

34 data points across 15 retailers

15 retailers€291 EUR to €2,086 EUR

A
Cheapest Retailer
-
€291 EUR
$325 USD
Final sale: no returns
A
Retailer 2
-
€305 EUR
$341 USD
View
A
Retailer 3
-
€406 EUR
£357 GBP
View
B+
Retailer 4
-
€434 EUR
$485 USD
View
A
Retailer 5
-
€465 EUR
$520 USD
View
A
Retailer 6
-
€526 EUR
View
A
Retailer 7
-
€567 EUR
£499 GBP
View
A
Retailer 8
-
€661 EUR
$739 USD
View
B+
Retailer 9
-
€748 EUR
$836 USD
View
B
Retailer 10
-
€1,036 EUR
SGD 1,564 SGD
View
B+
Retailer 11
-
€1,082 EUR
$1,209 USD
View
B
Retailer 12
-
€1,302 EUR
£1,145 GBP
View
B
Retailer 13
-
€1,328 EUR
$1,484 USD
View
Retailer 14
-
€1,830 EUR
$2,045 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
20573624A · Oct 31
€2,086 EUR
$2,330 USD
View
14 more retailers have this diamond
Prices start from €291 EURSave up to €1,795 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
2.60ct Cushion
€291 EUR