Round|Natural|GIA

1.54ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2558327820

Certificate GIA 2558327820

Diamond specifications and retailer prices

From $4,434 CAD
As of November 5, 2026
Save $3,255 CAD (42%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,032 CAD at NZ Jewellers · As of October 3, 2026
View at NZ Jewellers

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2558327820. Listed at 10 retailers as of November 4, 2026, with a 73% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.54
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2558327820
Dimensions7.33 × 7.29 × 4.62 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle
Top View
7.33 mm7.29 mm1.54 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2558327820
Side View
Table 57.0%Crown 36.5°GirdlePavilion 41°Culet: NoneDepth 63.1%

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 5
Current: $5,627 CAD|Low: $4,434 CAD|High: $7,906 CAD|Avg: $5,589 CAD|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 5$4,434 CAD
Retailer 3$4,741 CAD
Retailer 2$5,362 CAD
Retailer 1$5,627 CAD
Retailer 4$7,690 CAD

43 data points across 5 retailers

10 retailers$4,434 CAD to $7,690 CAD

A
Cheapest Retailer
-
$4,434 CAD
Retailer 2
-
$4,610 CAD
View
Price last confirmed 29 days ago
Retailer 3
-
$4,610 CAD
View
Price last confirmed 29 days ago
A
Retailer 4
-
$4,741 CAD
View
Retailer 5
-
$4,852 CAD
View
Price last confirmed 38 days ago
Retailer 6
-
$5,320 CAD
View
Price last confirmed 35 days ago
A
Retailer 7
-
$5,362 CAD
View
B+
Retailer 8
-
$5,627 CAD
View
B
Retailer 9
-
$7,690 CAD
View
Most Expensive
NZ Jewellers
3179db4e-05ff-4f38-a2e9-7e98a5c48f4d · Oct 3
$8,032 CAD
$5,751 USD
View
Price last confirmed 34 days ago
9 more retailers have this diamond
Prices start from $4,434 CADSave up to $3,255 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
1.54ct Round
$4,434 CAD