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Round|Natural|GIA

1.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2557621269

Certificate GIA 2557621269

Diamond specifications and retailer prices

From $6,310 CAD
As of November 4, 2026
Save $8,040 CAD (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $14,350 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557621269. Listed at 9 retailers as of November 4, 2026, with prices from $6,310 to $14,350, a $8,040 spread on the same certified stone. NZ Jewellers lists it at $14,350. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2557621269
Dimensions7.30 × 7.36 × 4.59 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Needle
Top View
7.30 mm7.36 mm1.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557621269
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 62.6%

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 4
Current: $14,350 CAD|Low: $6,310 CAD|High: $15,220 CAD|Avg: $9,338 CAD|-5.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 7$6,310 CAD
Retailer 5$7,166 CAD
Retailer 9$7,361 CAD
Retailer 8$7,519 CAD
Retailer 3$8,579 CAD
Retailer 6$8,579 CAD
Retailer 2$9,315 CAD
Retailer 4$12,604 CAD
NZ Jewellers$14,350 CAD

39 data points across 9 retailers

9 retailers$6,310 CAD to $14,350 CAD

A
Cheapest Retailer
-
$6,310 CAD
A
Retailer 2
-
$7,166 CAD
View
Retailer 3
-
$7,361 CAD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$7,519 CAD
View
B+
Retailer 5
-
$8,579 CAD
View
B+
Retailer 6
-
$8,579 CAD
View
B+
Retailer 7
-
$9,315 CAD
View
B
Retailer 8
-
$12,604 CAD
View
Most Expensive
B
NZ Jewellers
706c909f-4d06-495a-abc7-7b084a6df80a · Nov 5
$14,350 CAD
$10,275 USD
View
8 more retailers have this diamond
Prices start from $6,310 CADSave up to $8,040 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 Round
$6,310 CAD