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Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1563468794

Certificate GIA 1563468794

Diamond specifications and retailer prices

From $614 AUD
As of November 6, 2026
Save $1,282 AUD (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,896 AUD at MOH London · As of November 1, 2026
View at MOH London

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 1563468794. Listed at 16 retailers as of November 1, 2026, with prices from $614 to $1,896, a $1,282 spread on the same certified stone. MOH London lists it at $1,896. 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 angle35°
OriginNatural
Grading LabGIA
CertificateGIA 1563468794
Dimensions5.23 × 5.25 × 3.28 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Cloud
Top View
5.23 mm5.25 mm0.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1563468794
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilionCulet: NoneDepth 62.5%

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 6
Current: $1,896 AUD|Low: $614 AUD|High: $1,928 AUD|Avg: $1,010 AUD|-0.2%
MOH London
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 6, 2026
Retailer 9$614 AUD
Retailer 15$662 AUD
Retailer 8$707 AUD
Retailer 2$757 AUD
Retailer 5$818 AUD
Retailer 13$853 AUD
Retailer 6$872 AUD
Retailer 3$1,003 AUD
Retailer 11$1,003 AUD
Retailer 14$1,007 AUD
Retailer 10$1,044 AUD
Retailer 4$1,099 AUD
Retailer 12$1,121 AUD
Retailer 7$1,128 AUD
Retailer 16$1,252 AUD
MOH London$1,896 AUD

16 data points across 16 retailers

16 retailers$614 AUD to $1,896 AUD

A
Cheapest Retailer
-
$614 AUD
A
Retailer 2
-
$662 AUD
View
A
Retailer 3
-
$707 AUD
View
A
Retailer 4
-
$757 AUD
View
Final sale: no returns
A
Retailer 5
-
$818 AUD
View
A
Retailer 6
-
$853 AUD
View
A
Retailer 7
-
$872 AUD
View
A
Retailer 8
-
$1,003 AUD
View
A
Retailer 9
-
$1,003 AUD
View
A
Retailer 10
-
$1,007 AUD
View
A
Retailer 11
-
$1,044 AUD
View
B+
Retailer 12
-
$1,099 AUD
View
B+
Retailer 13
-
$1,121 AUD
View
B+
Retailer 14
-
$1,128 AUD
View
B+
Retailer 15
-
$1,252 AUD
View
Most Expensive
B
MOH London
A48B088C3 · Nov 1
$1,896 AUD
£1,026 GBP
View
15 more retailers have this diamond
Prices start from $614 AUDSave up to $1,282 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
$614 AUD