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Round|Natural|GIA

1.00ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2243070990

Certificate GIA 2243070990

Diamond specifications and retailer prices

From $1,386 USD
As of November 5, 2026
Save $1,239 USD (47%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,625 USD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

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 2243070990. Listed at 10 retailers as of November 4, 2026, with prices from $1,386 to $2,625, a $1,239 spread on the same certified stone. Wholesale Diamonds Direct lists it at $2,625. 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
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2243070990
Dimensions6.36 × 4.01 × 4.01 mm
L/W Ratio1.59
Culet sizeNone
Top View
6.36 mm4.01 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2243070990
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.3%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: $1,773 USD|Low: $1,378 USD|High: $2,783 USD|Avg: $1,974 USD|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 6, 2026
Retailer 3$1,386 USD
Retailer 6$1,609 USD
Retailer 5$1,636 USD
Retailer 9$1,752 USD
Retailer 1$1,773 USD
Retailer 7$1,780 USD
Retailer 4$2,076 USD
Retailer 8$2,127 USD
Retailer 2$2,248 USD
Wholesale Diamonds Direct$2,625 USD

43 data points across 10 retailers

10 retailers$1,386 USD to $2,625 USD

A
Cheapest Retailer
-
$1,386 USD
A
Retailer 2
-
$1,609 USD
View
A
Retailer 3
-
$1,636 USD
View
A
Retailer 4
-
$1,752 USD
View
A
Retailer 5
-
$1,773 USD
View
B+
Retailer 6
-
$1,780 USD
View
B+
Retailer 7
-
$2,076 USD
View
B+
Retailer 8
-
$2,127 USD
View
B+
Retailer 9
-
$2,248 USD
View
Most Expensive
B
Wholesale Diamonds Direct
481731588 · Nov 4
$2,625 USD
View
9 more retailers have this diamond
Prices start from $1,386 USDSave up to $1,239 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
$1,386 USD