CaratHunter
Plans
Round|Natural|GIA

0.55ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2568551221

Certificate GIA 2568551221

Diamond specifications and retailer prices

From $565 AUD
As of November 4, 2026
Save $1,271 AUD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,835 AUD at MOH London · As of November 4, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2568551221. Listed at 11 retailers as of November 4, 2026, with prices from $565 to $1,835, a $1,271 spread on the same certified stone. MOH London lists it at $1,835. 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
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2568551221
Dimensions5.23 × 5.26 × 3.28 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal
Top View
5.23 mm5.26 mm0.55 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2568551221
Side View
Table 57.0%Crown 36.5°Girdle: MediumPavilion 40.8°Culet: 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 4
Current: $1,835 AUD|Low: $565 AUD|High: $1,841 AUD|Avg: $956 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$565 AUD
Retailer 2$598 AUD
Retailer 6$646 AUD
Retailer 9$688 AUD
Retailer 3$850 AUD
Retailer 10$853 AUD
Retailer 4$990 AUD
Retailer 7$1,046 AUD
Retailer 5$1,097 AUD
MOH London$1,835 AUD

15 data points across 10 retailers

11 retailers$565 AUD to $1,835 AUD

A
Cheapest Retailer
-
$565 AUD
Final sale: no returns
A
Retailer 2
-
$598 AUD
View
A
Retailer 3
-
$646 AUD
View
A
Retailer 4
-
$688 AUD
View
A
Retailer 5
-
$802 AUD
View
A
Retailer 6
-
$850 AUD
View
A
Retailer 7
-
$853 AUD
View
A
Retailer 8
-
$990 AUD
View
A
Retailer 9
-
$1,046 AUD
View
B+
Retailer 10
-
$1,097 AUD
View
Most Expensive
B
MOH London
E91F7029D · Nov 4
$1,835 AUD
£993 GBP
View
10 more retailers have this diamond
Prices start from $565 AUDSave up to $1,271 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
$565 AUD