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Round|Natural|GIA

1.57ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2526076449

Certificate GIA 2526076449

Diamond specifications and retailer prices

From $5,313 USD
As of November 1, 2026
Save $5,935 USD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,248 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 2526076449. Listed at 20 retailers as of October 30, 2026, with prices from $5,313 to $11,248, a $5,935 spread on the same certified stone. NZ Jewellers lists it at $11,248. 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
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2526076449
Dimensions7.38 × 7.36 × 4.65 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.38 mm7.36 mm1.57 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2526076449
Side View
Table 56.0%Crown 36.5°Girdle: STK-STKPavilion 41°Culet: NoneDepth 63.1%

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 1
Current: $8,033 USD|Low: $5,313 USD|High: $10,028 USD|Avg: $6,902 USD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 11$5,313 USD
Retailer 8$5,320 USD
Retailer 10$5,675 USD
Retailer 2$6,093 USD
Retailer 4$6,408 USD
Retailer 3$6,449 USD
Retailer 9$6,596 USD
Retailer 5$7,317 USD
Retailer 1$8,033 USD
Retailer 7$8,263 USD
Retailer 6$9,909 USD

36 data points across 11 retailers

20 retailers$5,313 USD to $11,248 USD

B+
Cheapest Retailer
-
$5,313 USD
B+
Retailer 2
-
$5,320 USD
View
B
Retailer 3
-
$5,675 USD
View
B+
Retailer 4
-
$6,008 USD
View
Retailer 5
-
$6,093 USD
View
Price last confirmed 52 days ago
B+
Retailer 6
-
$6,093 USD
View
B+
Retailer 7
-
$6,093 USD
View
B+
Retailer 8
-
$6,093 USD
View
B+
Retailer 9
-
$6,408 USD
£5,045 GBP
View
B
Retailer 10
-
$6,449 USD
View
Retailer 11
-
$6,596 USD
A$10,147 AUD
View
Price last confirmed 29 days ago
Retailer 12
-
$7,030 USD
View
Price last confirmed 56 days ago
B
Retailer 13
-
$7,030 USD
View
B
Retailer 14
-
$7,317 USD
€6,969 EUR
View
Retailer 15
-
$7,414 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$8,033 USD
£6,325 GBP
View
B
Retailer 17
-
$8,263 USD
ZAR 133,493 ZAR
View
B
Retailer 18
-
$9,909 USD
£7,802 GBP
View
Retailer 19
-
$11,248 USD
View
Price last confirmed 52 days ago
Most Expensive
B
NZ Jewellers
a0732d77-79f4-49aa-8b60-16145eaae734 · Oct 30
$11,248 USD
View
19 more retailers have this diamond
Prices start from $5,313 USDSave up to $5,935 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.

B+
1.57ct Round
$5,313 USD