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Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7551634492

Certificate GIA 7551634492

Diamond specifications and retailer prices

From $804 AUD
HK$4,400 HKD
As of November 1, 2026
Save $2,607 AUD (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,410 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 7551634492. Listed at 20 retailers as of October 30, 2026, with prices from $804 to $3,410, a $2,607 spread on the same certified stone. NZ Jewellers lists it at $3,410. 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: $809 AUD|Low: $804 AUD|High: $2,945 AUD|Avg: $1,399 AUD|-4.5%
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$804 AUD
Retailer 1$809 AUD
Retailer 6$970 AUD
Retailer 16$1,003 AUD
Retailer 4$1,104 AUD
Retailer 7$1,213 AUD
Retailer 2$1,277 AUD
Retailer 15$1,287 AUD
Retailer 9$1,300 AUD
Retailer 3$1,334 AUD
Retailer 10$1,407 AUD
Retailer 5$1,479 AUD
Retailer 12$1,679 AUD
Retailer 8$1,685 AUD
Retailer 11$1,992 AUD
Retailer 13$2,945 AUD

32 data points across 16 retailers

20 retailers$804 AUD to $3,410 AUD

A
Cheapest Retailer
-
$804 AUD
HK$4,400 HKD
A
Retailer 2
-
$809 AUD
₹54,016 INR
View
Retailer 3
-
$970 AUD
$680 USD
View
Price last confirmed 22 days ago
B+
Retailer 4
-
$1,003 AUD
$703 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,087 AUD
$762 USD
View
B+
Retailer 6
-
$1,104 AUD
$774 USD
View
B+
Retailer 7
-
$1,130 AUD
$792 USD
View
Retailer 8
-
$1,164 AUD
$816 USD
View
Price last confirmed 34 days ago
B+
Retailer 9
-
$1,213 AUD
$850 USD
View
B+
Retailer 10
-
$1,277 AUD
$895 USD
View
B+
Retailer 11
-
$1,287 AUD
£710 GBP
View
B+
Retailer 12
-
$1,300 AUD
£717 GBP
View
B+
Retailer 13
-
$1,334 AUD
$935 USD
View
B+
Retailer 14
-
$1,407 AUD
€939 EUR
View
B+
Retailer 15
-
$1,479 AUD
$1,036 USD
View
B
Retailer 16
-
$1,679 AUD
ZAR 19,009 ZAR
View
Retailer 17
-
$1,685 AUD
View
Price last confirmed 29 days ago
B
Retailer 18
-
$1,992 AUD
£1,099 GBP
View
B
Retailer 19
-
$2,945 AUD
£1,625 GBP
View
Most Expensive
B
NZ Jewellers
19ae4306-72f5-4bb6-b5c3-8f6f5f008c46 · Oct 30
$3,410 AUD
$2,390 USD
View
19 more retailers have this diamond
Prices start from $804 AUDSave up to $2,607 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
$804 AUD