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Round|Natural|GIA

1.53ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 6552030658

Certificate GIA 6552030658

Diamond specifications and retailer prices

From $3,811 AUD
As of November 5, 2026
Save $1,806 AUD (32%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,665 AUD at NZ Jewellers · As of October 11, 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 M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552030658. Listed at 10 retailers as of November 5, 2026, with a 47% 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

1.53
Carat
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552030658
Dimensions7.33 × 7.36 × 4.59 mm
L/W Ratio1.00
Top View
7.33 mm7.36 mm1.53 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552030658
Side View
Table 56.0%Crown 35.5°GirdlePavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $5,617 AUD|Low: $3,811 AUD|High: $6,173 AUD|Avg: $4,973 AUD|-9.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$3,811 AUD
Retailer 4$4,030 AUD
Retailer 3$4,458 AUD
Retailer 2$4,943 AUD
Retailer 7$5,497 AUD
Retailer 6$5,577 AUD
Retailer 1$5,617 AUD

36 data points across 7 retailers

10 retailers$3,811 AUD to $5,617 AUD

A
Cheapest Retailer
-
$3,811 AUD
B+
Retailer 2
-
$4,030 AUD
View
Retailer 3
-
$4,400 AUD
View
Price last confirmed 25 days ago
Retailer 4
-
$4,400 AUD
View
Price last confirmed 25 days ago
B+
Retailer 5
-
$4,458 AUD
View
Retailer 6
-
$4,668 AUD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
$4,943 AUD
View
Retailer 8
-
$5,077 AUD
View
Price last confirmed 25 days ago
B
Retailer 9
-
$5,617 AUD
View
Most Expensive
NZ Jewellers
899b1963-cb92-42d6-8b16-4a958362732e · Oct 11
$7,665 AUD
$5,366 USD
View
Price last confirmed 26 days ago
9 more retailers have this diamond
Prices start from $3,811 AUDSave up to $1,806 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
$3,811 AUD