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Round|Natural|GIA

0.53ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6555217384

Certificate GIA 6555217384

Diamond specifications and retailer prices

From $987 AUD
As of November 4, 2026
Save $1,177 AUD (54%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,704 AUD at NZ Jewellers · As of September 23, 2026
View at NZ Jewellers

About this 0.53ct natural round diamond

This 0.53ct 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 6555217384. Listed at 24 retailers as of November 2, 2026, with a 119% 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

0.53
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555217384
Dimensions5.17 × 5.20 × 3.23 mm
L/W Ratio1.01
Top View
5.17 mm5.20 mm0.53 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555217384
Side View
Table 57.0%Crown 33°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.2%

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: $1,656 AUD|Low: $904 AUD|High: $2,884 AUD|Avg: $1,539 AUD|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 7$987 AUD
Retailer 8$1,029 AUD
Retailer 9$1,050 AUD
Retailer 6$1,070 AUD
Retailer 3$1,400 AUD
Retailer 2$1,487 AUD
Retailer 1$1,656 AUD
Retailer 4$2,164 AUD
Retailer 5$2,874 AUD

41 data points across 9 retailers

24 retailers$987 AUD to $2,164 AUD

A
Cheapest Retailer
-
$987 AUD
Final sale: no returns
A
Retailer 2
-
$1,013 AUD
View
B+
Retailer 3
-
$1,050 AUD
View
Retailer 4
-
$1,070 AUD
View
Price last confirmed 8 days ago
Retailer 5
-
$1,070 AUD
View
Price last confirmed 60 days ago
Retailer 6
-
$1,070 AUD
View
Price last confirmed 21 days ago
Retailer 7
-
$1,070 AUD
View
Price last confirmed 29 days ago
B+
Retailer 8
-
$1,089 AUD
View
Retailer 9
-
$1,111 AUD
View
Price last confirmed 15 days ago
Retailer 10
-
$1,111 AUD
View
Price last confirmed 38 days ago
B+
Retailer 11
-
$1,221 AUD
View
Retailer 12
-
$1,234 AUD
View
Price last confirmed 53 days ago
Retailer 13
-
$1,234 AUD
View
Price last confirmed 44 days ago
Retailer 14
-
$1,234 AUD
View
Price last confirmed 60 days ago
B+
Retailer 15
-
$1,271 AUD
View
B+
Retailer 16
-
$1,271 AUD
View
B
Retailer 17
-
$1,314 AUD
View
B+
Retailer 18
-
$1,400 AUD
View
B+
Retailer 19
-
$1,487 AUD
View
B
Retailer 20
-
$1,656 AUD
View
B
Retailer 21
-
$2,164 AUD
View
Retailer 22
-
$2,874 AUD
View
Price last confirmed 9 days ago
Retailer 23
-
$3,704 AUD
View
Price under review
Most Expensive
NZ Jewellers
1aa67541-fd65-42fc-9ba1-fb195532e476 · Sep 23
$3,704 AUD
$2,593 USD
View
Price under review
23 more retailers have this diamond
Prices start from $987 AUDSave up to $1,177 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
0.53ct Round
$987 AUD