Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2225190395

Certificate GIA 2225190395

Diamond specifications and retailer prices

From $791 CAD
$566 USD
As of October 26, 2026
Save $1,440 CAD (65%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,682 CAD at NZ Jewellers · As of September 15, 2026
View at NZ Jewellers

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2225190395. Listed at 20 retailers as of October 26, 2026, with a 182% 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

0.55
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2225190395
Dimensions5.23 × 5.19 × 3.22 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Needle, Feather
Top View
5.23 mm5.19 mm0.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2225190395
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.1%

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: Oct 26
Current: $1,058 CAD|Low: $721 CAD|High: $2,037 CAD|Avg: $1,106 CAD|+5.5%
Retailer 1
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 1, 2026
Retailer 12$791 CAD
Retailer 16$803 CAD
Retailer 6$887 CAD
Retailer 15$888 CAD
Retailer 2$939 CAD
Retailer 14$939 CAD
Retailer 13$1,047 CAD
Retailer 5$1,056 CAD
Retailer 1$1,058 CAD
Retailer 3$1,062 CAD
Retailer 10$1,131 CAD
Retailer 4$1,131 CAD
Retailer 7$1,186 CAD
Retailer 8$1,283 CAD
Retailer 9$1,345 CAD
Retailer 11$2,022 CAD

36 data points across 16 retailers

20 retailers$791 CAD to $2,230 CAD

A
Cheapest Retailer
-
$791 CAD
$566 USD
A
Retailer 2
-
$803 CAD
$575 USD
View
Final sale: no returns
Retailer 3
-
$855 CAD
$612 USD
View
Price last confirmed 47 days ago
Retailer 4
-
$887 CAD
$635 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$888 CAD
SGD 859 SGD
View
A
Retailer 6
-
$939 CAD
$672 USD
View
A
Retailer 7
-
$939 CAD
$672 USD
View
Retailer 8
-
$986 CAD
$706 USD
View
Price last confirmed 47 days ago
A
Retailer 9
-
$1,047 CAD
£590 GBP
View
B+
Retailer 10
-
$1,056 CAD
$756 USD
View
B+
Retailer 11
-
$1,058 CAD
£596 GBP
View
B+
Retailer 12
-
$1,062 CAD
$760 USD
View
B+
Retailer 13
-
$1,131 CAD
£637 GBP
View
B+
Retailer 14
-
$1,131 CAD
$810 USD
View
B+
Retailer 15
-
$1,186 CAD
$849 USD
View
Retailer 16
-
$1,283 CAD
A$1,414 AUD
View
Price last confirmed 27 days ago
B+
Retailer 17
-
$1,345 CAD
ZAR 15,555 ZAR
View
B
Retailer 18
-
$2,022 CAD
£1,140 GBP
View
B
Retailer 19
-
$2,230 CAD
£1,257 GBP
View
Most Expensive
NZ Jewellers
03ddd43e-3800-4c6a-a3d6-3159a1065b64 · Sep 15
$2,682 CAD
$1,920 USD
View
Price last confirmed 46 days ago
19 more retailers have this diamond
Prices start from $791 CADSave up to $1,440 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
0.55ct Round
$791 CAD