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Round|Natural|GIA

1.53ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1565648336

Certificate GIA 1565648336

Diamond specifications and retailer prices

From $7,404 AUD
As of November 6, 2026
Save $8,118 AUD (52%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $15,522 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 1565648336. Listed at 19 retailers as of November 6, 2026, with prices from $7,404 to $15,522, a $8,118 spread on the same certified stone. NZ Jewellers lists it at $15,522. 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
FluorescenceMedium
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1565648336
Dimensions7.31 × 7.38 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal, Feather
Top View
7.31 mm7.38 mm1.53 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1565648336
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

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 6
Current: $15,522 AUD|Low: $6,811 AUD|High: $15,522 AUD|Avg: $8,849 AUD|+18.8%
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
November 7, 2026
Retailer 10$7,268 AUD
Retailer 8$7,321 AUD
Retailer 18$7,404 AUD
Retailer 9$7,658 AUD
Retailer 17$7,760 AUD
Retailer 7$7,810 AUD
Retailer 2$8,207 AUD
Retailer 16$8,408 AUD
Retailer 14$8,840 AUD
Retailer 3$8,898 AUD
Retailer 12$8,927 AUD
Retailer 5$9,412 AUD
Retailer 11$9,555 AUD
Retailer 4$9,700 AUD
Retailer 15$10,074 AUD
Retailer 6$11,605 AUD
Retailer 13$13,598 AUD
NZ Jewellers$15,522 AUD

10 data points across 18 retailers

19 retailers$7,404 AUD to $15,522 AUD

Retailer 1
-
$6,418 AUD
Price last confirmed 7 days ago
Retailer 2
-
$7,268 AUD
View
Price last confirmed 11 days ago
Retailer 3
-
$7,321 AUD
View
Price last confirmed 5 days ago
A
Retailer 4
-
$7,404 AUD
View
Retailer 5
-
$7,658 AUD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$7,760 AUD
View
Final sale: no returns
Retailer 7
-
$7,810 AUD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$8,207 AUD
View
B+
Retailer 9
-
$8,408 AUD
View
B+
Retailer 10
-
$8,840 AUD
View
B+
Retailer 11
-
$8,898 AUD
View
B+
Retailer 12
-
$8,927 AUD
View
Retailer 13
-
$9,412 AUD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
$9,555 AUD
View
B+
Retailer 15
-
$9,700 AUD
View
B
Retailer 16
-
$10,074 AUD
View
Retailer 17
-
$11,605 AUD
View
Price last confirmed 12 days ago
B
Retailer 18
-
$13,598 AUD
View
Most Expensive
B
NZ Jewellers
82070b62-ccd4-4f2f-918a-38716b11724a · Nov 7
$15,522 AUD
$10,665 USD
View
18 more retailers have this diamond
Prices start from $7,404 AUDSave up to $8,118 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
$7,404 AUD