CaratHunter
Plans
Round|Natural|GIA

0.55ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1559947635

Certificate GIA 1559947635

Diamond specifications and retailer prices

From $911 CAD
As of November 6, 2026
Save $1,353 CAD (60%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,986 CAD at NZ Jewellers · As of September 24, 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 1559947635. Listed at 22 retailers as of November 2, 2026, with a 149% 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 angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1559947635
Dimensions5.21 × 5.24 × 3.26 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal
Top View
5.21 mm5.24 mm0.55 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559947635
Side View
Table 60.0%Crown 35°Girdle: MediumPavilion 41.4°Culet: NoneDepth 62.4%

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 6
Current: $3,841 CAD|Low: $894 CAD|High: $3,841 CAD|Avg: $1,717 CAD
NZ Jewellers
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 6, 2026
Retailer 15$911 CAD
Retailer 4$1,140 CAD
Retailer 11$1,175 CAD
Retailer 3$1,251 CAD
Retailer 9$1,257 CAD
Retailer 10$1,260 CAD
Retailer 8$1,398 CAD
Retailer 7$1,445 CAD
Retailer 16$1,462 CAD
Retailer 2$1,591 CAD
Retailer 5$1,637 CAD
Retailer 6$1,709 CAD
Retailer 12$1,733 CAD
Retailer 13$1,908 CAD
Retailer 14$2,264 CAD
NZ Jewellers$3,841 CAD

27 data points across 16 retailers

22 retailers$911 CAD to $2,264 CAD

A
Cheapest Retailer
-
$911 CAD
A
Retailer 2
-
$1,140 CAD
View
Final sale: no returns
Retailer 3
-
$1,173 CAD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$1,175 CAD
View
A
Retailer 5
-
$1,251 CAD
View
A
Retailer 6
-
$1,257 CAD
View
A
Retailer 7
-
$1,260 CAD
View
Retailer 8
-
$1,271 CAD
View
Price last confirmed 36 days ago
Retailer 9
-
$1,320 CAD
View
Price last confirmed 38 days ago
Retailer 10
-
$1,398 CAD
View
Price last confirmed 19 days ago
Retailer 11
-
$1,445 CAD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
$1,462 CAD
View
Retailer 13
-
$1,466 CAD
View
Price last confirmed 38 days ago
B+
Retailer 14
-
$1,591 CAD
View
B+
Retailer 15
-
$1,637 CAD
View
B+
Retailer 16
-
$1,709 CAD
View
B+
Retailer 17
-
$1,733 CAD
View
B+
Retailer 18
-
$1,908 CAD
View
Retailer 19
-
$1,945 CAD
View
Price last confirmed 33 days ago
B
Retailer 20
-
$2,264 CAD
View
Retailer 21
-
$3,841 CAD
View
Price last confirmed 14 days ago
Most Expensive
NZ Jewellers
e97691f5-6850-4cc3-a733-ef7ac86c9fc3 · Sep 24
$3,986 CAD
$2,854 USD
View
Price last confirmed 42 days ago
21 more retailers have this diamond
Prices start from $911 CADSave up to $1,353 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
$911 CAD