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Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2246751905

Certificate GIA 2246751905

Diamond specifications and retailer prices

From $822 AUD
HK$4,500 HKD
As of November 1, 2026
Save $1,729 AUD (68%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,551 AUD 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 2246751905. Listed at 17 retailers as of October 30, 2026, with prices from $822 to $2,551, a $1,729 spread on the same certified stone. NZ Jewellers lists it at $2,551. 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 2246751905
Dimensions5.25 × 5.23 × 3.27 mm
L/W Ratio1.00
Top View
5.25 mm5.23 mm0.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2246751905
Side View
Table 56.0%CrownGirdle: Sli. ThickPavilionCulet: NoneDepth 62.4%

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: $2,551 AUD|Low: $822 AUD|High: $3,046 AUD|Avg: $1,303 AUD|-16.3%
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
November 2, 2026
Retailer 2$868 AUD
Retailer 12$876 AUD
Retailer 3$896 AUD
Retailer 13$929 AUD
Retailer 10$1,047 AUD
Retailer 5$1,132 AUD
Retailer 7$1,193 AUD
Retailer 4$1,234 AUD
Retailer 6$1,257 AUD
Retailer 9$1,377 AUD
Retailer 11$1,500 AUD
Retailer 8$2,243 AUD
NZ Jewellers$2,551 AUD

33 data points across 13 retailers

17 retailers$822 AUD to $2,551 AUD

A
Cheapest Retailer
-
$822 AUD
HK$4,500 HKD
A
Retailer 2
-
$868 AUD
$608 USD
View
A
Retailer 3
-
$870 AUD
$610 USD
View
A
Retailer 4
-
$876 AUD
$614 USD
View
A
Retailer 5
-
$896 AUD
$628 USD
View
Final sale: no returns
A
Retailer 6
-
$929 AUD
$651 USD
View
B+
Retailer 7
-
$1,009 AUD
SGD 956 SGD
View
A
Retailer 8
-
$1,047 AUD
$734 USD
View
B+
Retailer 9
-
$1,160 AUD
$813 USD
View
B+
Retailer 10
-
$1,193 AUD
£658 GBP
View
B+
Retailer 11
-
$1,234 AUD
$865 USD
View
B+
Retailer 12
-
$1,257 AUD
£694 GBP
View
B+
Retailer 13
-
$1,377 AUD
€919 EUR
View
B+
Retailer 14
-
$1,500 AUD
ZAR 16,977 ZAR
View
B
Retailer 15
-
$2,243 AUD
£1,238 GBP
View
B
Retailer 16
-
$2,263 AUD
£1,249 GBP
View
Most Expensive
B
NZ Jewellers
ddfd3097-a619-4a21-b35f-0f691a70559b · Oct 30
$2,551 AUD
$1,788 USD
View
16 more retailers have this diamond
Prices start from $822 AUDSave up to $1,729 AUD

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
$822 AUD