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1.57ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 3505260431

Certificate GIA 3505260431

Diamond specifications and retailer prices

From €4,573 EUR
$5,109 USD
As of November 2, 2026
Save €3,965 EUR (46%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €8,538 EUR 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 3505260431. Listed at 4 retailers as of October 30, 2026, with prices from €4,573 to €8,538, a €3,965 spread on the same certified stone. NZ Jewellers lists it at €8,538. 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
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3505260431
Dimensions7.37 × 7.40 × 4.63 mm
L/W Ratio1.00
Top View
7.37 mm7.40 mm1.57 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3505260431
Side View
Table 57.0%Crown 35.5°GirdlePavilion 40.8°Culet: NoneDepth 62.7%

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 2
Current: €8,538 EUR|Low: €4,121 EUR|High: €8,581 EUR|Avg: €5,537 EUR|+9.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6€4,121 EUR
Retailer 4€4,573 EUR
Retailer 8€4,999 EUR
Retailer 10€5,072 EUR
Retailer 2€5,106 EUR
Retailer 3€5,106 EUR
Retailer 9€5,305 EUR
Retailer 7€5,332 EUR
Retailer 5€7,451 EUR
NZ Jewellers€8,538 EUR

6 data points across 10 retailers

4 retailers€4,573 EUR to €8,538 EUR

B+
Cheapest Retailer
-
€4,573 EUR
$5,109 USD
B
Retailer 2
-
€5,106 EUR
$5,704 USD
View
B
Retailer 3
-
€5,106 EUR
$5,704 USD
View
Most Expensive
B
NZ Jewellers
e7e69f5a-d8ba-4f71-b61c-4e4f5ae36234 · Oct 30
€8,538 EUR
$9,539 USD
View
3 more retailers have this diamond
Prices start from €4,573 EURSave up to €3,965 EUR

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
€4,573 EUR