Round|Natural|GIA

0.55ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 5543616345

Certificate GIA 5543616345

Diamond specifications and retailer prices

From $478 USD
As of November 5, 2026
Save $1,378 USD (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,856 USD at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5543616345. Listed at 14 retailers as of November 5, 2026, with prices from $478 to $1,856, a $1,378 spread on the same certified stone. Diamond Exchange Canada lists it at $1,856. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5543616345
Dimensions5.25 × 5.23 × 3.25 mm
L/W Ratio1.00
Top View
5.25 mm5.23 mm0.55 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5543616345
Side View
Table 58.0%Crown 36°Girdle: STK-STKPavilion 40.6°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
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 5
Current: $1,856 USD|Low: $423 USD|High: $1,916 USD|Avg: $926 USD|-3.2%
Diamond Exchange Canada
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
November 6, 2026
Retailer 10$478 USD
Retailer 6$550 USD
Retailer 3$592 USD
Retailer 4$620 USD
Retailer 11$669 USD
Retailer 7$672 USD
Retailer 8$786 USD
Retailer 9$787 USD
Retailer 2$846 USD
Retailer 14$866 USD
Retailer 13$900 USD
Retailer 5$902 USD
Retailer 12$1,479 USD
Diamond Exchange Canada$1,856 USD

38 data points across 14 retailers

14 retailers$478 USD to $1,856 USD

A
Cheapest Retailer
-
$478 USD
A
Retailer 2
-
$550 USD
View
A
Retailer 3
-
$592 USD
View
Final sale: no returns
A
Retailer 4
-
$620 USD
View
A
Retailer 5
-
$669 USD
View
A
Retailer 6
-
$672 USD
View
A
Retailer 7
-
$786 USD
View
A
Retailer 8
-
$787 USD
View
A
Retailer 9
-
$846 USD
View
A
Retailer 10
-
$866 USD
View
A
Retailer 11
-
$900 USD
View
B+
Retailer 12
-
$902 USD
View
B
Retailer 13
-
$1,479 USD
View
Most Expensive
B
Diamond Exchange Canada
1997641364 · Nov 5
$1,856 USD
CA$2,577 CAD
View
13 more retailers have this diamond
Prices start from $478 USDSave up to $1,378 USD

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
$478 USD