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Round|Natural|GIA

1.53ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7546133863

Certificate GIA 7546133863

Diamond specifications and retailer prices

From $7,772 AUD
As of November 1, 2026
Save $9,301 AUD (54%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $17,073 AUD at NZ Jewellers · As of November 7, 2026
View at NZ Jewellers

About this 1.53ct natural round diamond

This 1.53ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7546133863. Listed at 25 retailers as of November 1, 2026, with prices from $7,772 to $17,073, a $9,301 spread on the same certified stone. NZ Jewellers lists it at $17,073. 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

1.53
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7546133863
Dimensions7.47 × 7.43 × 4.49 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Feather, Needle
Top View
7.47 mm7.43 mm1.53 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7546133863
Side View
Table 59.0%Crown 32°Girdle: MediumPavilion 41°Culet: NoneDepth 60.2%

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 1
Current: $17,073 AUD|Low: $7,772 AUD|High: $17,073 AUD|Avg: $10,531 AUD
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
November 7, 2026
Retailer 8$7,772 AUD
Retailer 11$8,066 AUD
Retailer 10$8,534 AUD
Retailer 12$8,601 AUD
Retailer 2$8,941 AUD
Retailer 3$9,248 AUD
Retailer 4$9,248 AUD
Retailer 5$9,248 AUD
Retailer 19$9,600 AUD
Retailer 9$9,788 AUD
Retailer 17$9,817 AUD
Retailer 7$9,907 AUD
Retailer 15$10,509 AUD
Retailer 6$10,671 AUD
Retailer 16$10,847 AUD
Retailer 13$11,081 AUD
Retailer 20$12,455 AUD
Retailer 14$12,653 AUD
Retailer 18$14,959 AUD
NZ Jewellers$17,073 AUD

30 data points across 20 retailers

25 retailers$7,772 AUD to $17,073 AUD

A
Cheapest Retailer
-
$7,772 AUD
A
Retailer 2
-
$8,066 AUD
View
B+
Retailer 3
-
$8,235 AUD
View
B+
Retailer 4
-
$8,534 AUD
View
Final sale: no returns
B+
Retailer 5
-
$8,601 AUD
View
B+
Retailer 6
-
$8,941 AUD
View
B+
Retailer 7
-
$9,109 AUD
View
B+
Retailer 8
-
$9,248 AUD
View
B+
Retailer 9
-
$9,248 AUD
View
B+
Retailer 10
-
$9,248 AUD
View
B+
Retailer 11
-
$9,600 AUD
View
B+
Retailer 12
-
$9,788 AUD
View
Retailer 13
-
$9,788 AUD
View
Price last confirmed 29 days ago
B+
Retailer 14
-
$9,817 AUD
View
Retailer 15
-
$9,907 AUD
View
Price last confirmed 16 days ago
B+
Retailer 16
-
$10,444 AUD
View
B+
Retailer 17
-
$10,509 AUD
View
B
Retailer 18
-
$10,671 AUD
View
B
Retailer 19
-
$10,847 AUD
View
B+
Retailer 20
-
$11,081 AUD
View
Retailer 21
-
$11,250 AUD
View
Price last confirmed 23 days ago
B
Retailer 22
-
$12,455 AUD
View
B
Retailer 23
-
$12,653 AUD
View
B
Retailer 24
-
$14,959 AUD
View
Most Expensive
B
NZ Jewellers
f4a04218-fbca-43b1-aa79-c7b39ec024e8 · Nov 7
$17,073 AUD
$11,731 USD
View
24 more retailers have this diamond
Prices start from $7,772 AUDSave up to $9,301 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
1.53ct Round
$7,772 AUD