CaratHunter
Plans
Cushion|Natural|GIA

1.55ct I SI1 Cushion Natural Diamond

ID • I/SI1 • GIA 5242011749

Certificate GIA 5242011749

Diamond specifications and retailer prices

From $4,273 CAD
HK$23,900 HKD
As of November 2, 2026
Save $5,236 CAD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,509 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 1.55ct natural cushion diamond

This 1.55ct natural cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5242011749. Listed at 17 retailers as of November 1, 2026, with prices from $4,273 to $9,509, a $5,236 spread on the same certified stone. MOH London lists it at $9,509. 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
I
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5242011749
Dimensions8.26 × 6.15 × 4.03 mm
L/W Ratio1.34
Girdle conditionFaceted
Top View
8.26 mm6.15 mm1.55 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5242011749
Side View
Table 64.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.5%

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: Nov 2
Current: $9,509 CAD|Low: $4,202 CAD|High: $9,937 CAD|Avg: $5,815 CAD|-4.3%
MOH London
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
November 2, 2026
Retailer 2$4,273 CAD
Retailer 3$4,376 CAD
Retailer 13$4,508 CAD
Retailer 5$4,646 CAD
Retailer 11$4,830 CAD
Retailer 15$4,843 CAD
Retailer 7$5,050 CAD
Retailer 10$5,134 CAD
Retailer 14$5,141 CAD
Retailer 12$5,426 CAD
Retailer 4$5,984 CAD
Retailer 8$6,311 CAD
Retailer 9$6,537 CAD
Retailer 16$7,161 CAD
Retailer 6$9,003 CAD
MOH London$9,509 CAD

26 data points across 16 retailers

17 retailers$4,273 CAD to $9,509 CAD

A
Cheapest Retailer
-
$4,273 CAD
HK$23,900 HKD
A
Retailer 2
-
$4,376 CAD
$3,133 USD
View
A
Retailer 3
-
$4,508 CAD
$3,227 USD
View
A
Retailer 4
-
$4,646 CAD
$3,326 USD
View
A
Retailer 5
-
$4,830 CAD
$3,458 USD
View
Final sale: no returns
A
Retailer 6
-
$4,843 CAD
€3,302 EUR
View
A
Retailer 7
-
$5,050 CAD
$3,615 USD
View
A
Retailer 8
-
$5,134 CAD
$3,675 USD
View
A
Retailer 9
-
$5,141 CAD
$3,680 USD
View
A
Retailer 10
-
$5,426 CAD
£3,059 GBP
View
A
Retailer 11
-
$5,691 CAD
A$6,268 AUD
View
A
Retailer 12
-
$5,984 CAD
$4,284 USD
View
Retailer 13
-
$6,311 CAD
A$6,951 AUD
View
Price last confirmed 23 days ago
A
Retailer 14
-
$6,537 CAD
€4,457 EUR
View
B+
Retailer 15
-
$7,161 CAD
ZAR 82,812 ZAR
View
Retailer 16
-
$9,003 CAD
$6,445 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
MOH London
EDA8DE476 · Nov 1
$9,509 CAD
£5,360 GBP
View
16 more retailers have this diamond
Prices start from $4,273 CADSave up to $5,236 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.

A
1.55ct Cushion
$4,273 CAD