CaratHunter
Plans
Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1423275719

Certificate GIA 1423275719

Diamond specifications and retailer prices

From €481 EUR
HK$4,200 HKD
As of November 1, 2026
Save €1,299 EUR (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,780 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 1423275719. Listed at 16 retailers as of October 30, 2026, with prices from €481 to €1,780, a €1,299 spread on the same certified stone. NZ Jewellers lists it at €1,780. 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
OriginNatural
Grading LabGIA
CertificateGIA 1423275719
Dimensions5.28 × 5.26 × 3.27 mm
L/W Ratio1.00
Key to symbols
Cloud
Top View
5.28 mm5.26 mm0.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1423275719
Side View
Table 56.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 62.0%

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: €1,780 EUR|Low: €355 EUR|High: €1,780 EUR|Avg: €714 EUR
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 1, 2026
Retailer 8€355 EUR
Retailer 6€481 EUR
Retailer 4€507 EUR
Retailer 5€510 EUR
Retailer 14€611 EUR
Retailer 15€611 EUR
Retailer 13€655 EUR
Retailer 16€682 EUR
Retailer 7€686 EUR
Retailer 10€695 EUR
Retailer 3€734 EUR
Retailer 9€735 EUR
Retailer 2€832 EUR
Retailer 11€876 EUR
Retailer 12€1,319 EUR
NZ Jewellers€1,780 EUR

29 data points across 16 retailers

16 retailers€481 EUR to €1,780 EUR

A
Cheapest Retailer
-
€481 EUR
HK$4,200 HKD
A
Retailer 2
-
€510 EUR
$570 USD
View
A
Retailer 3
-
€590 EUR
SGD 891 SGD
View
A
Retailer 4
-
€611 EUR
$683 USD
View
A
Retailer 5
-
€611 EUR
$683 USD
View
B+
Retailer 6
-
€655 EUR
$732 USD
View
B+
Retailer 7
-
€682 EUR
$762 USD
View
B+
Retailer 8
-
€686 EUR
$766 USD
View
B+
Retailer 9
-
€695 EUR
£612 GBP
View
B+
Retailer 10
-
€734 EUR
$820 USD
View
B+
Retailer 11
-
€735 EUR
£646 GBP
View
B+
Retailer 12
-
€832 EUR
View
B+
Retailer 13
-
€876 EUR
ZAR 15,816 ZAR
View
B
Retailer 14
-
€1,298 EUR
£1,142 GBP
View
B
Retailer 15
-
€1,319 EUR
£1,160 GBP
View
Most Expensive
B
NZ Jewellers
725b144b-b05e-461e-a528-5d31c3d4a3fb · Oct 30
€1,780 EUR
$1,989 USD
View
15 more retailers have this diamond
Prices start from €481 EURSave up to €1,299 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
€481 EUR