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Round|Natural|GIA

1.57ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2564029698

Certificate GIA 2564029698

Diamond specifications and retailer prices

From $6,223 NZD
HK$27,400 HKD
As of November 1, 2026
Save $8,527 NZD (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $14,750 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.57ct natural round diamond

This 1.57ct 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 2564029698. Listed at 9 retailers as of October 30, 2026, with prices from $6,223 to $14,750, a $8,527 spread on the same certified stone. NZ Jewellers lists it at $14,750. 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

1.57
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2564029698
Dimensions7.31 × 7.37 × 4.60 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Needle
Top View
7.31 mm7.37 mm1.57 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2564029698
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $14,750 NZD|Low: $6,155 NZD|High: $15,431 NZD|Avg: $9,529 NZD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5$6,223 NZD
Retailer 9$6,945 NZD
Retailer 4$7,351 NZD
Retailer 8$7,902 NZD
Retailer 6$8,467 NZD
Retailer 7$8,467 NZD
Retailer 2$9,531 NZD
Retailer 3$13,484 NZD
NZ Jewellers$14,750 NZD

34 data points across 9 retailers

9 retailers$6,223 NZD to $14,750 NZD

A
Cheapest Retailer
-
$6,223 NZD
HK$27,400 HKD
Retailer 2
-
$6,945 NZD
$3,914 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$7,351 NZD
$4,143 USD
View
B+
Retailer 4
-
$7,902 NZD
SGD 6,018 SGD
View
B+
Retailer 5
-
$8,467 NZD
$4,772 USD
View
B+
Retailer 6
-
$8,467 NZD
$4,772 USD
View
B+
Retailer 7
-
$9,531 NZD
€5,116 EUR
View
B
Retailer 8
-
$13,484 NZD
£5,984 GBP
View
Most Expensive
B
NZ Jewellers
da4088ba-2010-4102-9378-c2800c0291c8 · Oct 30
$14,750 NZD
$8,313 USD
View
8 more retailers have this diamond
Prices start from $6,223 NZDSave up to $8,527 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.

A
1.57ct Round
$6,223 NZD