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Round|Natural|GIA

1.53ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2384322888

Certificate GIA 2384322888

Diamond specifications and retailer prices

From $19,599 AUD
As of November 4, 2026
Save $15,536 AUD (44%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $40,924 AUD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 2384322888. Listed at 21 retailers as of November 4, 2026, with a 79% 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2384322888
Dimensions7.36 × 7.33 × 4.56 mm
L/W Ratio1.00
Top View
7.36 mm7.33 mm1.53 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2384322888
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.1%

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: $32,910 AUD|Low: $18,798 AUD|High: $35,654 AUD|Avg: $26,049 AUD|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$19,599 AUD
Retailer 7$21,617 AUD
Retailer 2$23,363 AUD
Retailer 6$23,677 AUD
Retailer 8$24,062 AUD
Retailer 3$26,140 AUD
Retailer 1$32,910 AUD
Retailer 4$35,135 AUD

45 data points across 8 retailers

21 retailers$19,599 AUD to $35,135 AUD

B+
Cheapest Retailer
-
$19,599 AUD
B
Retailer 2
-
$20,646 AUD
View
B
Retailer 3
-
$20,738 AUD
View
B
Retailer 4
-
$21,139 AUD
View
B
Retailer 5
-
$21,617 AUD
View
Final sale: no returns
B
Retailer 6
-
$22,099 AUD
View
Retailer 7
-
$22,557 AUD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$23,363 AUD
View
Retailer 9
-
$23,677 AUD
View
Price last confirmed 14 days ago
B
Retailer 10
-
$24,062 AUD
View
B
Retailer 11
-
$24,437 AUD
View
B
Retailer 12
-
$25,299 AUD
View
B
Retailer 13
-
$25,299 AUD
View
B
Retailer 14
-
$25,377 AUD
View
B
Retailer 15
-
$26,140 AUD
View
B
Retailer 16
-
$26,142 AUD
View
B
Retailer 17
-
$26,214 AUD
View
B
Retailer 18
-
$31,956 AUD
View
B
Retailer 19
-
$32,910 AUD
View
B
Retailer 20
-
$35,135 AUD
View
Most Expensive
Diamond Quarter
1.53SI1D238854CFN · Nov 5
$40,924 AUD
£22,557 GBP
View
Price under review
20 more retailers have this diamond
Prices start from $19,599 AUDSave up to $15,536 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
$19,599 AUD