Round|Natural|GIA

1.57ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2564029698

Certificate GIA 2564029698

Diamond specifications and retailer prices

From $3,507 USD
HK$27,400 HKD
As of November 1, 2026
Save $4,806 USD (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,313 USD 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 $3,507 to $8,313, a $4,806 spread on the same certified stone. NZ Jewellers lists it at $8,313. 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
Color
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: $8,313 USD|Low: $3,469 USD|High: $8,697 USD|Avg: $5,370 USD|-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$3,507 USD
Retailer 9$3,914 USD
Retailer 4$4,143 USD
Retailer 8$4,453 USD
Retailer 6$4,772 USD
Retailer 7$4,772 USD
Retailer 2$5,372 USD
Retailer 3$7,600 USD
NZ Jewellers$8,313 USD

34 data points across 9 retailers

9 retailers$3,507 USD to $8,313 USD

A
Cheapest Retailer
-
$3,507 USD
HK$27,400 HKD
Retailer 2
-
$3,914 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$4,143 USD
View
B+
Retailer 4
-
$4,453 USD
SGD 6,018 SGD
View
B+
Retailer 5
-
$4,772 USD
View
B+
Retailer 6
-
$4,772 USD
View
B+
Retailer 7
-
$5,372 USD
€5,116 EUR
View
B
Retailer 8
-
$7,600 USD
£5,984 GBP
View
Most Expensive
B
NZ Jewellers
da4088ba-2010-4102-9378-c2800c0291c8 · Oct 30
$8,313 USD
View
8 more retailers have this diamond
Prices start from $3,507 USDSave up to $4,806 USD

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
$3,507 USD