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Round|Natural|GIA

1.53ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2526342497

Certificate GIA 2526342497

Diamond specifications and retailer prices

From $9,591 NZD
As of November 4, 2026
Save $10,712 NZD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $20,303 NZD at NZ Jewellers · As of November 5, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2526342497. Listed at 15 retailers as of November 4, 2026, with prices from $9,591 to $20,303, a $10,712 spread on the same certified stone. NZ Jewellers lists it at $20,303. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2526342497
Dimensions7.35 × 7.30 × 4.61 mm
L/W Ratio1.01
Star length50%
Top View
7.35 mm7.30 mm1.53 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2526342497
Side View
Table 56.0%Crown 32.5°Girdle: Slightly ThickPavilion 41.6°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: $14,420 NZD|Low: $9,591 NZD|High: $18,100 NZD|Avg: $13,012 NZD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$9,591 NZD
Retailer 7$10,152 NZD
Retailer 2$11,451 NZD
Retailer 8$11,904 NZD
Retailer 4$12,418 NZD
Retailer 1$14,420 NZD
Retailer 3$14,812 NZD
Retailer 5$17,837 NZD

38 data points across 8 retailers

15 retailers$9,591 NZD to $20,303 NZD

B+
Cheapest Retailer
-
$9,591 NZD
B
Retailer 2
-
$10,152 NZD
View
Final sale: no returns
B+
Retailer 3
-
$10,246 NZD
View
Retailer 4
-
$10,998 NZD
View
Price last confirmed 9 days ago
B
Retailer 5
-
$10,998 NZD
View
B
Retailer 6
-
$10,998 NZD
View
B
Retailer 7
-
$11,451 NZD
View
Retailer 8
-
$11,904 NZD
View
Price last confirmed 34 days ago
B
Retailer 9
-
$12,418 NZD
View
B
Retailer 10
-
$12,690 NZD
View
Retailer 11
-
$13,383 NZD
View
Price last confirmed 15 days ago
B
Retailer 12
-
$14,420 NZD
View
B
Retailer 13
-
$14,812 NZD
View
B
Retailer 14
-
$17,837 NZD
View
Most Expensive
B
NZ Jewellers
1b6aec2e-6dfb-486c-8d93-cc51ed922fc8 · Nov 5
$20,303 NZD
$11,255 USD
View
14 more retailers have this diamond
Prices start from $9,591 NZDSave up to $10,712 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 Round
$9,591 NZD