Round|Natural|GIA

1.04ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2564086180

Certificate GIA 2564086180

Diamond specifications and retailer prices

From $1,951 USD
As of November 5, 2026
Save $2,024 USD (51%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,975 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.04ct natural round diamond

This 1.04ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564086180. Listed at 7 retailers as of November 4, 2026, with prices from $1,951 to $3,975, a $2,024 spread on the same certified stone. MOH London lists it at $3,975. 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

1.04
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2564086180
Dimensions6.45 × 6.50 × 4.02 mm
L/W Ratio1.01
Star length45%
Culet sizeNone
Key to symbols
Cloud, Crystal, Needle
Top View
6.45 mm6.50 mm1.04 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2564086180
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $3,975 USD|Low: $1,951 USD|High: $4,007 USD|Avg: $2,607 USD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$1,951 USD
Retailer 6$2,100 USD
Retailer 5$2,232 USD
Retailer 3$2,609 USD
Retailer 4$2,673 USD
Retailer 2$2,925 USD
MOH London$3,975 USD

11 data points across 7 retailers

7 retailers$1,951 USD to $3,975 USD

B+
Cheapest Retailer
-
$1,951 USD
B+
Retailer 2
-
$2,100 USD
View
Final sale: no returns
B+
Retailer 3
-
$2,232 USD
View
B+
Retailer 4
-
$2,609 USD
View
B
Retailer 5
-
$2,673 USD
View
B
Retailer 6
-
$2,925 USD
View
Most Expensive
B
MOH London
9DAA7D920 · Nov 4
$3,975 USD
£3,130 GBP
View
6 more retailers have this diamond
Prices start from $1,951 USDSave up to $2,024 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+
1.04ct Round
$1,951 USD