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Round|Natural|GIA

0.55ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1553112517

Certificate GIA 1553112517

Diamond specifications and retailer prices

From $757 AUD
As of November 5, 2026
Save $665 AUD (47%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,422 AUD at Frank Darling · As of November 6, 2026
View at Frank Darling

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1553112517. Listed at 11 retailers as of November 5, 2026, with prices from $757 to $1,422, a $665 spread on the same certified stone. Frank Darling lists it at $1,422. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1553112517
Dimensions5.24 × 3.25 × 3.25 mm
L/W Ratio1.61
Culet sizeNone
Top View
5.24 mm3.25 mm0.55 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553112517
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.8%

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 5
Current: $1,422 AUD|Low: $757 AUD|High: $1,470 AUD|Avg: $1,072 AUD|-3.3%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$757 AUD
Retailer 10$813 AUD
Retailer 4$831 AUD
Retailer 3$943 AUD
Retailer 8$1,057 AUD
Retailer 5$1,136 AUD
Retailer 6$1,151 AUD
Retailer 2$1,194 AUD
Retailer 7$1,213 AUD
Frank Darling$1,422 AUD

34 data points across 10 retailers

11 retailers$757 AUD to $1,422 AUD

A
Cheapest Retailer
-
$757 AUD
A
Retailer 2
-
$813 AUD
View
A
Retailer 3
-
$831 AUD
View
A
Retailer 4
-
$943 AUD
View
B+
Retailer 5
-
$1,010 AUD
View
B+
Retailer 6
-
$1,057 AUD
View
B+
Retailer 7
-
$1,136 AUD
View
B+
Retailer 8
-
$1,151 AUD
View
B+
Retailer 9
-
$1,194 AUD
View
B+
Retailer 10
-
$1,213 AUD
View
Most Expensive
B+
Frank Darling
2627231HK · Nov 6
$1,422 AUD
$995 USD
View
10 more retailers have this diamond
Prices start from $757 AUDSave up to $665 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
$757 AUD