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Round|Natural|GIA

1.53ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7566126885

Certificate GIA 7566126885

Diamond specifications and retailer prices

From $8,355 AUD
As of November 4, 2026
Save $10,619 AUD (56%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $18,975 AUD at NZ Jewellers · As of November 5, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7566126885. Listed at 11 retailers as of November 4, 2026, with prices from $8,355 to $18,975, a $10,619 spread on the same certified stone. NZ Jewellers lists it at $18,975. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7566126885
Dimensions7.30 × 7.34 × 4.58 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Feather, Knot, Needle
Top View
7.30 mm7.34 mm1.53 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7566126885
Side View
Table 58.0%CrownGirdle: MED-STKPavilion 40.8°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 4
Current: $18,975 AUD|Low: $8,355 AUD|High: $19,933 AUD|Avg: $12,357 AUD|-4.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$8,355 AUD
Retailer 5$9,471 AUD
Retailer 10$9,784 AUD
Retailer 2$10,857 AUD
Retailer 8$11,345 AUD
Retailer 9$11,519 AUD
Retailer 7$11,795 AUD
Retailer 3$12,409 AUD
Retailer 4$15,768 AUD
NZ Jewellers$18,975 AUD

32 data points across 10 retailers

11 retailers$8,355 AUD to $18,975 AUD

A
Cheapest Retailer
-
$8,355 AUD
A
Retailer 2
-
$9,471 AUD
View
A
Retailer 3
-
$9,784 AUD
View
Retailer 4
-
$10,137 AUD
View
Price last confirmed 26 days ago
A
Retailer 5
-
$10,857 AUD
View
A
Retailer 6
-
$11,345 AUD
View
A
Retailer 7
-
$11,519 AUD
View
A
Retailer 8
-
$11,795 AUD
View
B+
Retailer 9
-
$12,409 AUD
View
B+
Retailer 10
-
$15,768 AUD
View
Most Expensive
B
NZ Jewellers
5f65f7ea-0a75-4d20-b685-ced91d515f72 · Nov 5
$18,975 AUD
$13,283 USD
View
10 more retailers have this diamond
Prices start from $8,355 AUDSave up to $10,619 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
$8,355 AUD