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Round|Natural|GIA

0.53ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1553765377

Certificate GIA 1553765377

Diamond specifications and retailer prices

From $752 AUD
₹50,364 INR
As of October 29, 2026
Save $2,378 AUD (76%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,287 AUD at NZ Jewellers · As of September 1, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1553765377. Listed at 25 retailers as of October 27, 2026, with a 316% 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1553765377
Dimensions5.25 × 5.28 × 3.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.25 mm5.28 mm0.53 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553765377
Side View
Table 59.0%Crown 34°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 59.9%

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: Oct 29
Current: $3,130 AUD|Low: $749 AUD|High: $3,186 AUD|Avg: $1,290 AUD|-1.8%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 29, 2026
Retailer 13$752 AUD
Retailer 14$855 AUD
Retailer 8$920 AUD
Retailer 18$931 AUD
Retailer 9$953 AUD
Retailer 6$958 AUD
Retailer 15$985 AUD
Retailer 19$1,027 AUD
Retailer 11$1,037 AUD
Retailer 12$1,046 AUD
Retailer 3$1,088 AUD
Retailer 20$1,152 AUD
Retailer 10$1,192 AUD
Retailer 5$1,227 AUD
Retailer 2$1,238 AUD
Retailer 17$1,347 AUD
Retailer 7$1,381 AUD
Retailer 4$1,406 AUD
Retailer 16$2,317 AUD
Retailer 21$2,898 AUD
NZ Jewellers$3,130 AUD

16 data points across 21 retailers

25 retailers$752 AUD to $3,130 AUD

A
Cheapest Retailer
-
$752 AUD
₹50,364 INR
A
Retailer 2
-
$855 AUD
HK$4,700 HKD
View
A
Retailer 3
-
$920 AUD
$647 USD
View
Final sale: no returns
A
Retailer 4
-
$931 AUD
$655 USD
View
A
Retailer 5
-
$953 AUD
View
A
Retailer 6
-
$958 AUD
€642 EUR
View
Price last confirmed 3 days ago
A
Retailer 7
-
$985 AUD
$693 USD
View
A
Retailer 8
-
$1,027 AUD
SGD 976 SGD
View
A
Retailer 9
-
$1,037 AUD
$729 USD
View
A
Retailer 10
-
$1,046 AUD
SGD 994 SGD
View
A
Retailer 11
-
$1,048 AUD
$737 USD
View
Price last confirmed 52 days ago
A
Retailer 12
-
$1,052 AUD
$740 USD
View
Price last confirmed 22 days ago
A
Retailer 13
-
$1,088 AUD
$765 USD
View
A
Retailer 14
-
$1,152 AUD
$810 USD
View
A
Retailer 15
-
$1,192 AUD
£660 GBP
View
B+
Retailer 16
-
$1,210 AUD
$851 USD
View
Price last confirmed 52 days ago
B+
Retailer 17
-
$1,227 AUD
$863 USD
View
B+
Retailer 18
-
$1,238 AUD
£686 GBP
View
B+
Retailer 19
-
$1,347 AUD
€902 EUR
View
B+
Retailer 20
-
$1,381 AUD
$971 USD
View
B+
Retailer 21
-
$1,406 AUD
$989 USD
View
B
Retailer 22
-
$2,317 AUD
£1,283 GBP
View
B
Retailer 23
-
$2,898 AUD
CA$2,831 CAD
View
B
Retailer 24
-
$3,130 AUD
$2,201 USD
View
Most Expensive
B
NZ Jewellers
727d0893-1b88-4209-856f-2db241858072 · Sep 1
$3,287 AUD
$2,312 USD
View
Price last confirmed 57 days ago
24 more retailers have this diamond
Prices start from $752 AUDSave up to $2,378 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
$752 AUD