Round|Natural|GIA

0.55ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7558664761

Certificate GIA 7558664761

Diamond specifications and retailer prices

From $715 CAD
As of November 4, 2026
Save $2,228 CAD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,204 CAD at NZ Jewellers · As of October 17, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7558664761. Listed at 19 retailers as of November 4, 2026, with a 312% 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 7558664761
Dimensions5.21 × 5.25 × 3.28 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud, Crystal
Top View
5.21 mm5.25 mm0.55 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558664761
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.7%

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: $1,314 CAD|Low: $715 CAD|High: $1,894 CAD|Avg: $1,341 CAD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$715 CAD
Retailer 7$1,180 CAD
Retailer 3$1,207 CAD
Retailer 5$1,226 CAD
Retailer 2$1,313 CAD
Retailer 1$1,314 CAD
Retailer 9$1,536 CAD
Retailer 4$1,577 CAD
Retailer 6$1,869 CAD

37 data points across 9 retailers

19 retailers$715 CAD to $2,943 CAD

A
Cheapest Retailer
-
$715 CAD
Final sale: no returns
A
Retailer 2
-
$908 CAD
View
Retailer 3
-
$926 CAD
View
Price last confirmed 21 days ago
Retailer 4
-
$926 CAD
View
Price last confirmed 66 days ago
A
Retailer 5
-
$948 CAD
View
A
Retailer 6
-
$961 CAD
View
Retailer 7
-
$1,068 CAD
View
Price last confirmed 45 days ago
B+
Retailer 8
-
$1,077 CAD
View
B+
Retailer 9
-
$1,135 CAD
View
B+
Retailer 10
-
$1,180 CAD
View
B+
Retailer 11
-
$1,207 CAD
View
B+
Retailer 12
-
$1,299 CAD
View
B+
Retailer 13
-
$1,313 CAD
View
B+
Retailer 14
-
$1,314 CAD
View
Retailer 15
-
$1,536 CAD
View
Price last confirmed 33 days ago
B
Retailer 16
-
$1,577 CAD
View
B
Retailer 17
-
$1,869 CAD
View
B
Retailer 18
-
$2,943 CAD
View
Most Expensive
NZ Jewellers
33d5d57e-58f1-43b5-a39e-e162d4dc664d · Oct 17
$3,204 CAD
$2,294 USD
View
Price last confirmed 20 days ago
18 more retailers have this diamond
Prices start from $715 CADSave up to $2,228 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
$715 CAD