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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 $18,485 NZD
As of November 7, 2026
Save $9,023 NZD (33%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $27,508 NZD 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 $18,485 to $27,508, a $9,023 spread on the same certified stone. NZ Jewellers lists it at $27,508. 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: $27,508 NZD|Low: $18,012 NZD|High: $27,508 NZD|Avg: $21,266 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 5$18,145 NZD
Retailer 2$18,485 NZD
Retailer 4$18,977 NZD
Retailer 7$19,736 NZD
Retailer 6$20,040 NZD
Retailer 3$25,637 NZD
NZ Jewellers$27,508 NZD

20 data points across 7 retailers

7 retailers$18,485 NZD to $27,508 NZD

Retailer 1
-
$18,145 NZD
Price last confirmed 15 days ago
B+
Retailer 2
-
$18,485 NZD
View
B
Retailer 3
-
$18,977 NZD
View
B
Retailer 4
-
$19,736 NZD
View
B
Retailer 5
-
$20,040 NZD
View
B
Retailer 6
-
$25,637 NZD
View
Most Expensive
B
NZ Jewellers
4977f43e-85c6-4ddf-89a6-42de7c1feeb0 · Nov 5
$27,508 NZD
$15,249 USD
View
6 more retailers have this diamond
Prices start from $18,485 NZDSave up to $9,023 NZD

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
$18,485 NZD