Round|Natural|GIA

1.00ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1569467255

Certificate GIA 1569467255

Diamond specifications and retailer prices

From $1,305 USD
As of November 4, 2026
Save $1,685 USD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,045 USD at NZ Jewellers · As of October 11, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1569467255. Listed at 20 retailers as of November 4, 2026, with a 129% 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

1.00
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1569467255
Dimensions6.32 × 6.36 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.32 mm6.36 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1569467255
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NDepth 62.6%

Caratlytics Score

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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: Nov 4
Current: $1,638 USD|Low: $1,216 USD|High: $4,158 USD|Avg: $1,723 USD|+3.5%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 9$1,273 USD
Retailer 2$1,305 USD
Retailer 17$1,324 USD
Retailer 4$1,432 USD
Retailer 13$1,436 USD
Retailer 6$1,438 USD
Retailer 3$1,492 USD
Retailer 16$1,551 USD
Retailer 18$1,622 USD
Retailer 1$1,638 USD
Retailer 10$1,658 USD
Retailer 11$1,710 USD
Retailer 19$1,789 USD
Retailer 5$1,830 USD
Retailer 7$1,830 USD
Retailer 12$1,889 USD
Retailer 8$1,890 USD
Retailer 20$2,083 USD
Retailer 14$2,171 USD
Retailer 15$2,990 USD

27 data points across 20 retailers

20 retailers$1,305 USD to $2,990 USD

Retailer 1
-
$1,273 USD
Price last confirmed 23 days ago
A
Retailer 2
-
$1,305 USD
View
A
Retailer 3
-
$1,324 USD
View
A
Retailer 4
-
$1,432 USD
View
Final sale: no returns
A
Retailer 5
-
$1,438 USD
View
A
Retailer 6
-
$1,492 USD
View
A
Retailer 7
-
$1,551 USD
View
B+
Retailer 8
-
$1,622 USD
View
A
Retailer 9
-
$1,638 USD
View
Retailer 10
-
$1,658 USD
View
Price last confirmed 25 days ago
Retailer 11
-
$1,710 USD
View
Price last confirmed 22 days ago
B+
Retailer 12
-
$1,789 USD
View
B+
Retailer 13
-
$1,830 USD
View
B+
Retailer 14
-
$1,830 USD
View
B+
Retailer 15
-
$1,889 USD
View
B+
Retailer 16
-
$1,890 USD
View
B
Retailer 17
-
$2,083 USD
View
B+
Retailer 18
-
$2,171 USD
View
B
Retailer 19
-
$2,990 USD
View
Most Expensive
NZ Jewellers
18c832b7-0cae-4bb5-a2ea-71ab1c5be941 · Oct 11
$4,045 USD
View
Price last confirmed 26 days ago
19 more retailers have this diamond
Prices start from $1,305 USDSave up to $1,685 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
1.00ct Round
$1,305 USD