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Radiant|Natural|GIA

1.53ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 1242015507

Certificate GIA 1242015507

Diamond specifications and retailer prices

From $14,913 AUD
As of November 7, 2026
Save $7,280 AUD (33%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $22,193 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.53ct natural radiant diamond

This 1.53ct natural radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1242015507. Listed at 7 retailers as of November 5, 2026, with prices from $14,913 to $22,193, a $7,280 spread on the same certified stone. NZ Jewellers lists it at $22,193. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1242015507
Dimensions8.02 × 8.02 × 3.93 mm
L/W Ratio1.00
Key to symbols
Feather, Crystal, Needle
Top View
8.02 mm8.02 mm1.53 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242015507
Side View
Table 61.0%CrownGirdlePavilionCuletDepth 68.0%

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 7
Current: $22,193 AUD|Low: $14,532 AUD|High: $22,193 AUD|Avg: $17,158 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 5$14,640 AUD
Retailer 2$14,913 AUD
Retailer 4$15,311 AUD
Retailer 7$15,924 AUD
Retailer 6$16,168 AUD
Retailer 3$20,684 AUD
NZ Jewellers$22,193 AUD

20 data points across 7 retailers

7 retailers$14,913 AUD to $22,193 AUD

Retailer 1
-
$14,640 AUD
Price last confirmed 15 days ago
B+
Retailer 2
-
$14,913 AUD
View
B
Retailer 3
-
$15,311 AUD
View
B
Retailer 4
-
$15,924 AUD
View
B
Retailer 5
-
$16,168 AUD
View
B
Retailer 6
-
$20,684 AUD
View
Most Expensive
B
NZ Jewellers
4977f43e-85c6-4ddf-89a6-42de7c1feeb0 · Nov 5
$22,193 AUD
$15,249 USD
View
6 more retailers have this diamond
Prices start from $14,913 AUDSave up to $7,280 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 Radiant
$14,913 AUD