Round|Natural|GIA

1.57ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2387896031

Certificate GIA 2387896031

Diamond specifications and retailer prices

From $10,997 NZD
A$9,535 AUD
As of October 31, 2026
Save $3,635 NZD (25%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $14,632 NZD at Yorxs · As of October 30, 2026
View at Yorxs

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 2387896031. Listed at 3 retailers as of October 30, 2026, with prices from $10,997 to $14,632, a $3,635 spread on the same certified stone. Yorxs lists it at $14,632. 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
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2387896031
Dimensions7.44 × 7.50 × 4.59 mm
L/W Ratio1.01
Star length50%
Top View
7.44 mm7.50 mm1.57 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2387896031
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $12,097 NZD|Low: $10,725 NZD|High: $14,632 NZD|Avg: $12,435 NZD|+1.3%
Retailer 1
Retailer 2
Yorxs
October 30, 2026
Retailer 2$10,725 NZD
Retailer 1$12,097 NZD
Yorxs$14,632 NZD

10 data points across 3 retailers

3 retailers$10,997 NZD to $14,632 NZD

B
Cheapest Retailer
-
$10,997 NZD
A$9,535 AUD
B
Retailer 2
-
$12,097 NZD
$6,818 USD
View
Most Expensive
B
Yorxs
JM-12 · Oct 30
$14,632 NZD
€7,854 EUR
View
2 more retailers have this diamond
Prices start from $10,997 NZDSave up to $3,635 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
1.57ct Round
$10,997 NZD