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5.55ct H SI2 Round Natural Diamond

GD • H/SI2 • HRD 190000062072

Shape and cutting style on the report: Hexagon

Certificate HRD 190000062072

Diamond specifications and retailer prices

From $44,420 USD
A$68,338 AUD
As of November 2, 2026
Save $101,327 USD (70%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $145,746 USD at Belgium Diamonds · As of November 2, 2026
View at Belgium Diamonds

About this 5.55ct natural round diamond

This 5.55ct natural round sits in the over five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by HRD 190000062072. Listed at 4 retailers as of November 2, 2026, with prices from $44,420 to $145,746, a $101,327 spread on the same certified stone. Belgium Diamonds lists it at $145,746. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

5.55
Carat
H
Color
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 190000062072
Dimensions10.59 × 11.83 × 5.58 mm
L/W Ratio1.12
Girdle conditionPolished
Culet sizeNone
Top View
10.59 mm11.83 mm5.55 ctH / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 190000062072
Side View
Table 70.0%CrownGirdle: ThinPavilionCulet: 0.0Depth 47.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $145,746 USD|Low: $34,203 USD|High: $145,746 USD|Avg: $60,118 USD
Belgium Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 17, 2026
Retailer 3$34,203 USD
Retailer 2$39,134 USD
Retailer 4$41,828 USD
Retailer 5$44,420 USD
Retailer 6$48,382 USD
Belgium Diamonds$145,746 USD

3 data points across 6 retailers

4 retailers$44,420 USD to $145,746 USD

Retailer 1
-
$39,134 USD
Price last confirmed 16 days ago
Retailer 2
-
$41,828 USD
View
Price last confirmed 15 days ago
B+
Retailer 3
-
$44,420 USD
A$68,338 AUD
View
Most Expensive
C
Belgium Diamonds
427921523 · Nov 2
$145,746 USD
€138,806 EUR
View
3 more retailers have this diamond
Prices start from $44,420 USDSave up to $101,327 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.

B+
5.55ct Round
$44,420 USD