Round|Natural|GIA

1.57ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6545358708

Certificate GIA 6545358708

Diamond specifications and retailer prices

From $6,145 USD
As of October 31, 2026
Save $107 USD (2%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $6,252 USD at GemTrove · As of November 2, 2026
View at GemTrove

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 6545358708. Listed at 2 retailers as of October 31, 2026, with a relatively tight 2% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
OriginNatural
Grading LabGIA
CertificateGIA 6545358708
Dimensions7.38 × 7.43 × 4.59 mm
L/W Ratio1.01
Top View
7.38 mm7.43 mm1.57 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545358708
Side View
Table 61.0%CrownGirdle: UNDPavilionCulet: NoneDepth 62.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $6,252 USD|Low: $3,840 USD|High: $6,690 USD|Avg: $5,241 USD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 26, 2026
Retailer 5$3,840 USD
Retailer 8$4,748 USD
Retailer 3$5,178 USD
Retailer 7$5,307 USD
Retailer 6$5,399 USD
Retailer 2$6,145 USD
GemTrove$6,252 USD
Retailer 4$6,689 USD

30 data points across 8 retailers

2 retailers$6,145 USD to $6,252 USD

B
Cheapest Retailer
-
$6,145 USD
Most Expensive
B
GemTrove
GT-N-01367039-98 · Nov 2
$6,252 USD
A$9,618 AUD
View
1 more retailer has this diamond
Prices start from $6,145 USDSave up to $107 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
$6,145 USD