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Round|Natural|GIA

1.53ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6475302162

Certificate GIA 6475302162

Diamond specifications and retailer prices

From $5,113 AUD
As of November 4, 2026
Save $2,196 AUD (30%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,431 AUD at NZ Jewellers · As of October 2, 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6475302162. Listed at 15 retailers as of November 4, 2026, with a 43% 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
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6475302162
Dimensions7.39 × 7.36 × 4.63 mm
L/W Ratio1.00
Top View
7.39 mm7.36 mm1.53 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6475302162
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $6,027 AUD|Low: $5,268 AUD|High: $7,358 AUD|Avg: $6,150 AUD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$5,268 AUD
Retailer 6$5,320 AUD
Retailer 7$5,935 AUD
Retailer 5$5,987 AUD
Retailer 1$6,027 AUD
Retailer 3$6,753 AUD
Retailer 2$7,308 AUD

43 data points across 7 retailers

15 retailers$5,113 AUD to $7,308 AUD

B+
Cheapest Retailer
-
$5,113 AUD
B
Retailer 2
-
$5,268 AUD
View
B
Retailer 3
-
$5,320 AUD
View
B
Retailer 4
-
$5,693 AUD
View
B
Retailer 5
-
$5,935 AUD
View
Retailer 6
-
$5,987 AUD
View
Price last confirmed 29 days ago
Retailer 7
-
$5,987 AUD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$5,987 AUD
View
Retailer 9
-
$5,987 AUD
View
Price last confirmed 38 days ago
B+
Retailer 10
-
$6,027 AUD
View
B
Retailer 11
-
$6,198 AUD
View
B
Retailer 12
-
$6,753 AUD
View
Retailer 13
-
$6,908 AUD
View
Price last confirmed 28 days ago
B
Retailer 14
-
$7,308 AUD
View
Most Expensive
NZ Jewellers
3b0b0184-876f-4fde-b418-b3dc30625850 · Sep 28
$10,431 AUD
$7,302 USD
View
Price last confirmed 35 days ago
14 more retailers have this diamond
Prices start from $5,113 AUDSave up to $2,196 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.

B+
1.53ct Round
$5,113 AUD