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Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6565385552

Certificate GIA 6565385552

Diamond specifications and retailer prices

From $700 AUD
₹46,801 INR
As of November 2, 2026
Save $2,438 AUD (78%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,138 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 6565385552. Listed at 24 retailers as of October 30, 2026, with prices from $700 to $3,138, a $2,438 spread on the same certified stone. NZ Jewellers lists it at $3,138. 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
FluorescenceFaint
Crown angle33°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6565385552
Dimensions5.26 × 5.30 × 3.25 mm
L/W Ratio1.01
Key to symbols
Feather
Top View
5.26 mm5.30 mm0.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565385552
Side View
Table 57.0%Crown 33°Girdle: NUL-NULPavilion 41.4°Culet: NoneDepth 61.5%

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 2
Current: $3,138 AUD|Low: $700 AUD|High: $3,165 AUD|Avg: $1,248 AUD|-0.9%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 2$700 AUD
Retailer 8$773 AUD
Retailer 21$820 AUD
Retailer 9$894 AUD
Retailer 18$902 AUD
Retailer 17$974 AUD
Retailer 13$981 AUD
Retailer 5$982 AUD
Retailer 12$1,001 AUD
Retailer 7$1,145 AUD
Retailer 19$1,157 AUD
Retailer 4$1,157 AUD
Retailer 14$1,165 AUD
Retailer 16$1,190 AUD
Retailer 15$1,254 AUD
Retailer 11$1,260 AUD
Retailer 20$1,262 AUD
Retailer 3$1,331 AUD
Retailer 10$1,545 AUD
Retailer 6$2,238 AUD
NZ Jewellers$3,138 AUD

17 data points across 21 retailers

24 retailers$700 AUD to $3,138 AUD

A
Cheapest Retailer
-
$700 AUD
₹46,801 INR
A
Retailer 2
-
$773 AUD
₹51,744 INR
View
A
Retailer 3
-
$820 AUD
HK$4,500 HKD
View
A
Retailer 4
-
$894 AUD
$628 USD
View
Final sale: no returns
A
Retailer 5
-
$902 AUD
View
Retailer 6
-
$922 AUD
$648 USD
View
Price last confirmed 20 days ago
A
Retailer 7
-
$974 AUD
$684 USD
View
A
Retailer 8
-
$981 AUD
$689 USD
View
A
Retailer 9
-
$982 AUD
$690 USD
View
A
Retailer 10
-
$1,001 AUD
$703 USD
View
Retailer 11
-
$1,071 AUD
$752 USD
View
Price last confirmed 28 days ago
B+
Retailer 12
-
$1,145 AUD
$804 USD
View
B+
Retailer 13
-
$1,157 AUD
£640 GBP
View
B+
Retailer 14
-
$1,157 AUD
$813 USD
View
B+
Retailer 15
-
$1,165 AUD
$818 USD
View
B+
Retailer 16
-
$1,190 AUD
£658 GBP
View
B+
Retailer 17
-
$1,254 AUD
£694 GBP
View
B+
Retailer 18
-
$1,260 AUD
$885 USD
View
B+
Retailer 19
-
$1,262 AUD
€844 EUR
View
B+
Retailer 20
-
$1,331 AUD
$935 USD
View
B+
Retailer 21
-
$1,545 AUD
ZAR 17,529 ZAR
View
Retailer 22
-
$1,582 AUD
View
Price last confirmed 29 days ago
B
Retailer 23
-
$2,238 AUD
£1,238 GBP
View
Most Expensive
B
NZ Jewellers
5e2894fb-3241-4d2e-810e-c65ea367873d · Oct 30
$3,138 AUD
$2,204 USD
View
23 more retailers have this diamond
Prices start from $700 AUDSave up to $2,438 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
$700 AUD