Round|Natural|GIA

0.55ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6552529942

Certificate GIA 6552529942

Diamond specifications and retailer prices

From $799 AUD
As of October 31, 2026
Save $390 AUD (33%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,527 AUD at NZ Jewellers · As of October 27, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552529942. Listed at 16 retailers as of October 31, 2026, with a 49% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6552529942
Dimensions5.23 × 5.27 × 3.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.23 mm5.27 mm0.55 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552529942
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,527 AUD|Low: $600 AUD|High: $2,599 AUD|Avg: $1,041 AUD|-2.8%
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
October 31, 2026
Retailer 12$603 AUD
Retailer 16$688 AUD
Retailer 8$690 AUD
Retailer 9$742 AUD
Retailer 17$798 AUD
Retailer 3$799 AUD
Retailer 13$800 AUD
Retailer 6$846 AUD
Retailer 5$867 AUD
Retailer 14$930 AUD
Retailer 4$979 AUD
Retailer 10$990 AUD
Retailer 11$1,096 AUD
Retailer 15$1,121 AUD
Retailer 2$1,189 AUD
Retailer 7$1,863 AUD
NZ Jewellers$2,527 AUD

19 data points across 17 retailers

16 retailers$799 AUD to $1,189 AUD

Retailer 1
-
$603 AUD
Price last confirmed 7 days ago
Retailer 2
-
$688 AUD
View
Price last confirmed 7 days ago
Retailer 3
-
$690 AUD
View
Price last confirmed 8 days ago
Retailer 4
-
$798 AUD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$799 AUD
View
A
Retailer 6
-
$800 AUD
View
Retailer 7
-
$846 AUD
View
Price last confirmed 10 days ago
Retailer 8
-
$867 AUD
View
Price last confirmed 12 days ago
Retailer 9
-
$930 AUD
View
Price last confirmed 10 days ago
A
Retailer 10
-
$979 AUD
View
A
Retailer 11
-
$990 AUD
View
B+
Retailer 12
-
$1,096 AUD
View
Price last confirmed 7 days ago
Retailer 13
-
$1,121 AUD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
$1,189 AUD
View
Retailer 15
-
$1,863 AUD
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
75eb94d4-cae0-4ed7-96d5-e62f1b3717b8 · Oct 27
$2,527 AUD
$1,736 USD
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from $799 AUDSave up to $390 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
$799 AUD