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Cushion|Lab Grown|GCAL

1.55ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • GCAL 311261213

Certificate GCAL 311261213

Diamond specifications and retailer prices

From $907 CAD
$648 USD
As of October 28, 2026
Save $1,518 CAD (63%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,424 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.55ct lab-grown cushion diamond

This 1.55ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 311261213. Listed at 2 retailers as of October 28, 2026, with prices from $907 to $2,424, a $1,518 spread on the same certified stone. MOH London lists it at $2,424. 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

1.55
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGCAL
CertificateGCAL 311261213
Dimensions7.53 × 6.28 × 4.32 mm
L/W Ratio1.20
Top View
7.53 mm6.28 mm1.55 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 311261213
Side View
Table 64.0%CrownGirdlePavilionCuletDepth 68.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $2,424 CAD|Low: $872 CAD|High: $2,440 CAD|Avg: $1,662 CAD|+0.5%
MOH London
Retailer 2
October 19, 2026
Retailer 2$907 CAD
MOH London$2,424 CAD

7 data points across 2 retailers

2 retailers$907 CAD to $2,424 CAD

B+
Cheapest Retailer
-
$907 CAD
$648 USD
Most Expensive
B
MOH London
LG311261213 · Oct 29
$2,424 CAD
£1,364 GBP
View
1 more retailer has this diamond
Prices start from $907 CADSave up to $1,518 CAD

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.

B+
1.55ct Cushion
$907 CAD