Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7551634492

Certificate GIA 7551634492

Diamond specifications and retailer prices

From €504 EUR
HK$4,400 HKD
As of November 1, 2026
Save €1,635 EUR (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €2,139 EUR 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7551634492. Listed at 20 retailers as of October 30, 2026, with prices from €504 to €2,139, a €1,635 spread on the same certified stone. NZ Jewellers lists it at €2,139. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7551634492
Dimensions5.23 × 5.25 × 3.25 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather
Top View
5.23 mm5.25 mm0.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551634492
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.1%

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 1
Current: €815 EUR|Low: €504 EUR|High: €1,847 EUR|Avg: €878 EUR|+0.2%
Retailer 1
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 2, 2026
Retailer 14€504 EUR
Retailer 10€508 EUR
Retailer 6€609 EUR
Retailer 16€629 EUR
Retailer 4€693 EUR
Retailer 7€761 EUR
Retailer 2€801 EUR
Retailer 15€807 EUR
Retailer 1€815 EUR
Retailer 3€837 EUR
Retailer 9€883 EUR
Retailer 5€928 EUR
Retailer 12€1,053 EUR
Retailer 8€1,057 EUR
Retailer 11€1,249 EUR
Retailer 13€1,847 EUR

32 data points across 16 retailers

20 retailers€504 EUR to €2,139 EUR

A
Cheapest Retailer
-
€504 EUR
HK$4,400 HKD
A
Retailer 2
-
€508 EUR
₹54,033 INR
View
Retailer 3
-
€609 EUR
$680 USD
View
Price last confirmed 21 days ago
B+
Retailer 4
-
€629 EUR
$703 USD
View
Final sale: no returns
B+
Retailer 5
-
€682 EUR
$762 USD
View
B+
Retailer 6
-
€693 EUR
$774 USD
View
B+
Retailer 7
-
€709 EUR
$792 USD
View
Retailer 8
-
€730 EUR
$816 USD
View
Price last confirmed 33 days ago
B+
Retailer 9
-
€761 EUR
$850 USD
View
B+
Retailer 10
-
€801 EUR
$895 USD
View
B+
Retailer 11
-
€807 EUR
£710 GBP
View
B+
Retailer 12
-
€815 EUR
£717 GBP
View
B+
Retailer 13
-
€837 EUR
$935 USD
View
B+
Retailer 14
-
€883 EUR
View
B+
Retailer 15
-
€928 EUR
$1,036 USD
View
B
Retailer 16
-
€1,053 EUR
ZAR 19,009 ZAR
View
Retailer 17
-
€1,057 EUR
A$1,817 AUD
View
Price last confirmed 29 days ago
B
Retailer 18
-
€1,249 EUR
£1,099 GBP
View
B
Retailer 19
-
€1,847 EUR
£1,625 GBP
View
Most Expensive
B
NZ Jewellers
19ae4306-72f5-4bb6-b5c3-8f6f5f008c46 · Oct 30
€2,139 EUR
$2,390 USD
View
19 more retailers have this diamond
Prices start from €504 EURSave up to €1,635 EUR

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
€504 EUR