Round|Natural|GIA

0.55ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6505827712

Certificate GIA 6505827712

Diamond specifications and retailer prices

From $939 CAD
As of November 6, 2026
Save $1,813 CAD (66%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $3,979 CAD at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6505827712. Listed at 27 retailers as of November 5, 2026, with a 193% 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6505827712
Dimensions5.25 × 5.22 × 3.28 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
5.25 mm5.22 mm0.55 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6505827712
Side View
Table 56.0%Crown 34°Girdle: ThickPavilion 41.6°Culet: NoneDepth 62.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $939 CAD|Low: $939 CAD|High: $2,352 CAD|Avg: $1,524 CAD|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1$939 CAD
Retailer 3$1,170 CAD
Retailer 9$1,222 CAD
Retailer 11$1,270 CAD
Retailer 5$1,461 CAD
Retailer 2$1,487 CAD
Retailer 7$1,525 CAD
Retailer 4$1,633 CAD
Retailer 6$1,637 CAD
Retailer 8$1,958 CAD
Retailer 10$2,323 CAD

31 data points across 11 retailers

27 retailers$939 CAD to $2,751 CAD

A
Cheapest Retailer
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$939 CAD
A
Retailer 2
-
$1,161 CAD
View
A
Retailer 3
-
$1,170 CAD
View
Final sale: no returns
A
Retailer 4
-
$1,222 CAD
View
Retailer 5
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$1,270 CAD
View
Price last confirmed 8 days ago
Retailer 6
-
$1,270 CAD
View
Price last confirmed 20 days ago
Retailer 7
-
$1,270 CAD
View
Price last confirmed 39 days ago
Retailer 8
-
$1,270 CAD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$1,270 CAD
View
B+
Retailer 10
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$1,283 CAD
View
Retailer 11
-
$1,317 CAD
View
Price last confirmed 22 days ago
B+
Retailer 12
-
$1,359 CAD
View
B+
Retailer 13
-
$1,454 CAD
View
B+
Retailer 14
-
$1,461 CAD
View
Retailer 15
-
$1,464 CAD
View
Price last confirmed 40 days ago
B+
Retailer 16
-
$1,464 CAD
View
B+
Retailer 17
-
$1,487 CAD
View
B+
Retailer 18
-
$1,525 CAD
View
B+
Retailer 19
-
$1,633 CAD
View
B+
Retailer 20
-
$1,637 CAD
View
Retailer 21
-
$1,908 CAD
View
Price last confirmed 32 days ago
B+
Retailer 22
-
$1,958 CAD
View
B
Retailer 23
-
$2,323 CAD
View
B
Retailer 24
-
$2,751 CAD
View
Retailer 25
-
$3,979 CAD
View
Price last confirmed 43 days ago
Retailer 26
-
$3,979 CAD
View
Price last confirmed 20 days ago
Most Expensive
NZ Jewellers
069e317e-d3f5-48cb-a98f-0d0638402bf8 · Oct 30
$3,979 CAD
$2,849 USD
View
Price last confirmed 7 days ago
26 more retailers have this diamond
Prices start from $939 CADSave up to $1,813 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
$939 CAD