Round|Natural|GIA

1.00ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 7418360134

Certificate GIA 7418360134

Diamond specifications and retailer prices

From $1,446 USD
As of November 6, 2026
Save $2,776 USD (66%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,222 USD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 7418360134. Listed at 20 retailers as of November 5, 2026, with prices from $1,446 to $4,222, a $2,776 spread on the same certified stone. NZ Jewellers lists it at $4,222. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
J
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 7418360134
Dimensions6.24 × 6.16 × 4.02 mm
L/W Ratio1.01
Top View
6.24 mm6.16 mm1.00 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7418360134
Side View
Table 57.0%Crown 38.5°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 64.8%

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: Nov 6
Current: $1,446 USD|Low: $1,446 USD|High: $3,580 USD|Avg: $2,240 USD|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1$1,446 USD
Retailer 8$1,472 USD
Retailer 11$1,864 USD
Retailer 10$1,880 USD
Retailer 9$1,925 USD
Retailer 3$2,112 USD
Retailer 5$2,180 USD
Retailer 4$2,464 USD
Retailer 6$2,468 USD
Retailer 2$2,489 USD
Retailer 7$3,538 USD

39 data points across 11 retailers

20 retailers$1,446 USD to $4,222 USD

A
Cheapest Retailer
-
$1,446 USD
A
Retailer 2
-
$1,472 USD
View
B+
Retailer 3
-
$1,786 USD
View
B+
Retailer 4
-
$1,864 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,880 USD
View
B+
Retailer 6
-
$1,925 USD
View
Retailer 7
-
$2,019 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,019 USD
View
B+
Retailer 9
-
$2,042 USD
View
B+
Retailer 10
-
$2,055 USD
View
B
Retailer 11
-
$2,112 USD
View
B
Retailer 12
-
$2,157 USD
View
B
Retailer 13
-
$2,180 USD
View
B
Retailer 14
-
$2,330 USD
View
B
Retailer 15
-
$2,464 USD
View
B
Retailer 16
-
$2,468 USD
View
Retailer 17
-
$2,489 USD
View
Price last confirmed 32 days ago
C
Retailer 18
-
$3,483 USD
View
B
Retailer 19
-
$3,538 USD
View
Most Expensive
C
NZ Jewellers
c09157e4-e93d-4d24-be7d-5b4b30bc5ff4 · Nov 5
$4,222 USD
View
19 more retailers have this diamond
Prices start from $1,446 USDSave up to $2,776 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
$1,446 USD