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Round|Natural|GIA

1.53ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2526693270

Certificate GIA 2526693270

Diamond specifications and retailer prices

From $7,018 AUD
As of November 7, 2026
Save $6,373 AUD (48%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $13,391 AUD at MOH London · As of November 7, 2026
View at MOH London

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 2526693270. Listed at 30 retailers as of November 7, 2026, with prices from $7,018 to $13,391, a $6,373 spread on the same certified stone. MOH London lists it at $13,391. 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 angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2526693270
Dimensions7.38 × 7.32 × 4.58 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.38 mm7.32 mm1.53 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2526693270
Side View
Table 58.0%Crown 34°Girdle: Sli. ThickPavilion 41.6°Culet: NoneDepth 62.5%

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 7
Current: $13,391 AUD|Low: $5,737 AUD|High: $13,536 AUD|Avg: $8,592 AUD|+10.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
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Retailer 13
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Retailer 15
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Retailer 18
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Retailer 21
Retailer 22
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Retailer 24
Retailer 25
Retailer 26
Retailer 27
Retailer 28
November 7, 2026
Retailer 18$5,737 AUD
Retailer 19$5,992 AUD
Retailer 7$7,018 AUD
Retailer 14$7,219 AUD
Retailer 4$7,223 AUD
Retailer 9$7,312 AUD
Retailer 20$7,591 AUD
Retailer 12$7,641 AUD
Retailer 11$7,735 AUD
Retailer 2$8,003 AUD
Retailer 3$8,175 AUD
Retailer 21$8,390 AUD
Retailer 8$8,427 AUD
Retailer 24$8,622 AUD
Retailer 15$8,667 AUD
Retailer 26$8,754 AUD
Retailer 23$8,791 AUD
Retailer 25$9,149 AUD
Retailer 5$9,242 AUD
Retailer 16$9,242 AUD
Retailer 17$9,363 AUD
Retailer 10$9,547 AUD
Retailer 22$9,715 AUD
Retailer 27$9,735 AUD
Retailer 28$11,150 AUD
Retailer 13$11,365 AUD
Retailer 6$13,241 AUD
MOH London$13,391 AUD

27 data points across 28 retailers

30 retailers$7,018 AUD to $13,391 AUD

Retailer 1
-
$5,737 AUD
Price last confirmed 39 days ago
Retailer 2
-
$6,971 AUD
View
Price last confirmed 103 days ago
A
Retailer 3
-
$7,018 AUD
View
A
Retailer 4
-
$7,219 AUD
View
A
Retailer 5
-
$7,223 AUD
View
A
Retailer 6
-
$7,312 AUD
View
Retailer 7
-
$7,578 AUD
View
Price last confirmed 40 days ago
Retailer 8
-
$7,591 AUD
View
Price last confirmed 39 days ago
A
Retailer 9
-
$7,641 AUD
View
Final sale: no returns
B+
Retailer 10
-
$7,735 AUD
View
B+
Retailer 11
-
$8,003 AUD
View
B+
Retailer 12
-
$8,175 AUD
View
B+
Retailer 13
-
$8,427 AUD
View
B+
Retailer 14
-
$8,622 AUD
View
B+
Retailer 15
-
$8,667 AUD
View
Retailer 16
-
$8,744 AUD
View
Price last confirmed 39 days ago
B+
Retailer 17
-
$8,754 AUD
View
B+
Retailer 18
-
$8,791 AUD
View
B+
Retailer 19
-
$9,149 AUD
View
B+
Retailer 20
-
$9,242 AUD
View
B+
Retailer 21
-
$9,242 AUD
View
B+
Retailer 22
-
$9,363 AUD
View
B+
Retailer 23
-
$9,547 AUD
View
B+
Retailer 24
-
$9,715 AUD
View
B+
Retailer 25
-
$9,735 AUD
View
B
Retailer 26
-
$11,150 AUD
View
B
Retailer 27
-
$11,365 AUD
View
Retailer 28
-
$12,675 AUD
View
Price last confirmed 40 days ago
B
Retailer 29
-
$13,241 AUD
View
Most Expensive
B
MOH London
F190AC915 · Nov 7
$13,391 AUD
£7,245 GBP
View
29 more retailers have this diamond
Prices start from $7,018 AUDSave up to $6,373 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
$7,018 AUD