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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 $415 SGD
$325 USD
As of October 31, 2026
Save $2,563 SGD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,979 SGD 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 $415 to $2,979, a $2,563 spread on the same certified stone. Brilliant Earth lists it at $2,979. 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
Colour
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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Price History

Last verified: Oct 31
Current: $2,979 SGD|Low: $394 SGD|High: $5,114 SGD|Avg: $1,357 SGD|-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$415 SGD
Retailer 7$436 SGD
Retailer 10$579 SGD
Retailer 4$620 SGD
Retailer 9$665 SGD
Retailer 2$752 SGD
Retailer 8$810 SGD
Retailer 12$945 SGD
Retailer 14$1,069 SGD
Retailer 3$1,480 SGD
Retailer 5$1,545 SGD
Retailer 11$1,859 SGD
Retailer 13$1,897 SGD
Retailer 6$2,614 SGD
Brilliant Earth$2,979 SGD

34 data points across 15 retailers

15 retailers$415 SGD to $2,979 SGD

A
Cheapest Retailer
-
$415 SGD
$325 USD
Final sale: no returns
A
Retailer 2
-
$436 SGD
$341 USD
View
A
Retailer 3
-
$579 SGD
£357 GBP
View
B+
Retailer 4
-
$620 SGD
$485 USD
View
A
Retailer 5
-
$665 SGD
$520 USD
View
A
Retailer 6
-
$752 SGD
€560 EUR
View
A
Retailer 7
-
$810 SGD
£499 GBP
View
A
Retailer 8
-
$945 SGD
$739 USD
View
B+
Retailer 9
-
$1,069 SGD
$836 USD
View
B
Retailer 10
-
$1,480 SGD
View
B+
Retailer 11
-
$1,545 SGD
$1,209 USD
View
B
Retailer 12
-
$1,859 SGD
£1,145 GBP
View
B
Retailer 13
-
$1,897 SGD
$1,484 USD
View
Retailer 14
-
$2,614 SGD
$2,045 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
20573624A · Oct 31
$2,979 SGD
$2,330 USD
View
14 more retailers have this diamond
Prices start from $415 SGDSave up to $2,563 SGD

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
$415 SGD