Cushion|Lab Grown|IGI

2.55ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG811625714

Shape and cutting style on the report: Cushion antique brilliant

Certificate IGI LG811625714

Diamond specifications and retailer prices

From $673 USD
£530 GBP
As of October 30, 2026
Save $1,298 USD (66%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,971 USD at MOH London · As of October 25, 2026
View at MOH London

About this 2.55ct lab-grown cushion diamond

This 2.55ct 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 LG811625714 or 811625714. Listed at 9 retailers as of October 25, 2026, with prices from $673 to $1,971, a $1,298 spread on the same certified stone. MOH London lists it at $1,971. 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

2.55
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle45.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811625714
Dimensions9.58 × 7.05 × 4.95 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.58 mm7.05 mm2.55 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811625714
Side View
Table 62.0%Crown 36.8°Girdle: MED-STKPavilion 45.6°Culet: NoneDepth 70.2%

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: Oct 30
Current: $1,971 USD|Low: $536 USD|High: $1,993 USD|Avg: $1,044 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5$536 USD
Retailer 2$673 USD
Retailer 4$810 USD
Retailer 6$844 USD
Retailer 8$857 USD
Retailer 3$884 USD
Retailer 7$892 USD
Retailer 9$1,755 USD
MOH London$1,971 USD

34 data points across 9 retailers

9 retailers$673 USD to $1,971 USD

Retailer 1
-
$536 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$673 USD
£530 GBP
View
B+
Retailer 3
-
$810 USD
View
B+
Retailer 4
-
$844 USD
View
B+
Retailer 5
-
$857 USD
View
B+
Retailer 6
-
$884 USD
£696 GBP
View
B+
Retailer 7
-
$892 USD
View
B
Retailer 8
-
$1,755 USD
View
Most Expensive
B
MOH London
LG811625714 · Oct 25
$1,971 USD
£1,552 GBP
View
8 more retailers have this diamond
Prices start from $673 USDSave up to $1,298 USD

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
2.55ct Cushion
$673 USD