Round|Natural|GIA

1.57ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2241044538

Certificate GIA 2241044538

Diamond specifications and retailer prices

From $4,122 USD
HK$32,200 HKD
As of October 29, 2026
Save $4,893 USD (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,637 USD at NZ Jewellers · As of September 28, 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 2241044538. Listed at 13 retailers as of October 26, 2026, with a 119% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2241044538
Dimensions7.36 × 7.40 × 4.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.36 mm7.40 mm1.57 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2241044538
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,219 USD|Low: $4,058 USD|High: $9,199 USD|Avg: $5,902 USD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 13$4,122 USD
Retailer 4$4,694 USD
Retailer 10$4,945 USD
Retailer 5$5,042 USD
Retailer 15$5,216 USD
Retailer 1$5,219 USD
Retailer 12$5,285 USD
Retailer 8$5,294 USD
Retailer 3$5,577 USD
Retailer 7$5,716 USD
Retailer 11$5,780 USD
Retailer 6$6,220 USD
Retailer 9$6,882 USD
Retailer 2$8,659 USD
Retailer 14$9,014 USD

36 data points across 15 retailers

13 retailers$4,122 USD to $9,014 USD

A
Cheapest Retailer
-
$4,122 USD
HK$32,200 HKD
Retailer 2
-
$4,694 USD
View
Price last confirmed 12 days ago
B+
Retailer 3
-
$4,945 USD
View
B+
Retailer 4
-
$5,219 USD
£4,109 GBP
View
B+
Retailer 5
-
$5,285 USD
View
B+
Retailer 6
-
$5,294 USD
SGD 7,154 SGD
View
Retailer 7
-
$5,577 USD
View
Price last confirmed 12 days ago
Retailer 8
-
$5,716 USD
A$8,793 AUD
View
Price last confirmed 23 days ago
B+
Retailer 9
-
$5,780 USD
View
B
Retailer 10
-
$6,882 USD
ZAR 111,187 ZAR
View
Retailer 11
-
$8,659 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
$9,014 USD
£7,098 GBP
View
Most Expensive
NZ Jewellers
e4ad9b00-c7ea-4ec1-89ed-fc68fbf7726e · Sep 28
$9,637 USD
View
Price last confirmed 35 days ago
12 more retailers have this diamond
Prices start from $4,122 USDSave up to $4,893 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
$4,122 USD