Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1423275719

Certificate GIA 1423275719

Diamond specifications and retailer prices

From $954 NZD
HK$4,200 HKD
As of November 1, 2026
Save $2,575 NZD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,529 NZD 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 $954 to $3,529, a $2,575 spread on the same certified stone. NZ Jewellers lists it at $3,529. 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: $3,529 NZD|Low: $703 NZD|High: $3,529 NZD|Avg: $1,419 NZD
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 2, 2026
Retailer 8$703 NZD
Retailer 6$954 NZD
Retailer 4$1,004 NZD
Retailer 5$1,011 NZD
Retailer 14$1,212 NZD
Retailer 15$1,212 NZD
Retailer 13$1,299 NZD
Retailer 16$1,352 NZD
Retailer 7$1,359 NZD
Retailer 2$1,367 NZD
Retailer 3$1,455 NZD
Retailer 10$1,456 NZD
Retailer 9$1,649 NZD
Retailer 11$1,737 NZD
Retailer 12$2,614 NZD
NZ Jewellers$3,529 NZD

30 data points across 16 retailers

16 retailers$954 NZD to $3,529 NZD

A
Cheapest Retailer
-
$954 NZD
HK$4,200 HKD
A
Retailer 2
-
$1,011 NZD
$570 USD
View
A
Retailer 3
-
$1,170 NZD
SGD 891 SGD
View
A
Retailer 4
-
$1,212 NZD
$683 USD
View
A
Retailer 5
-
$1,212 NZD
$683 USD
View
B+
Retailer 6
-
$1,299 NZD
$732 USD
View
B+
Retailer 7
-
$1,352 NZD
$762 USD
View
B+
Retailer 8
-
$1,359 NZD
$766 USD
View
B+
Retailer 9
-
$1,367 NZD
£607 GBP
View
B+
Retailer 10
-
$1,455 NZD
$820 USD
View
B+
Retailer 11
-
$1,456 NZD
£646 GBP
View
B+
Retailer 12
-
$1,649 NZD
€885 EUR
View
B+
Retailer 13
-
$1,737 NZD
ZAR 15,816 ZAR
View
B
Retailer 14
-
$2,573 NZD
£1,142 GBP
View
B
Retailer 15
-
$2,614 NZD
£1,160 GBP
View
Most Expensive
B
NZ Jewellers
725b144b-b05e-461e-a528-5d31c3d4a3fb · Oct 30
$3,529 NZD
$1,989 USD
View
15 more retailers have this diamond
Prices start from $954 NZDSave up to $2,575 NZD

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
$954 NZD