Round|Natural|GIA

1.04ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2556880911

Certificate GIA 2556880911

Diamond specifications and retailer prices

From $2,030 USD
As of November 4, 2026
Save $2,305 USD (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,335 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 2556880911. Listed at 7 retailers as of November 4, 2026, with prices from $2,030 to $4,335, a $2,305 spread on the same certified stone. MOH London lists it at $4,335. 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
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2556880911
Dimensions6.46 × 6.48 × 4.06 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle, Natural
Top View
6.46 mm6.48 mm1.04 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556880911
Side View
Table 58.0%Crown 35°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 62.7%

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 4
Current: $4,335 USD|Low: $2,030 USD|High: $4,335 USD|Avg: $2,850 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$2,030 USD
Retailer 7$2,299 USD
Retailer 6$2,549 USD
Retailer 2$2,609 USD
Retailer 4$3,028 USD
Retailer 3$3,079 USD
MOH London$4,335 USD

4 data points across 7 retailers

7 retailers$2,030 USD to $4,335 USD

B+
Cheapest Retailer
-
$2,030 USD
B+
Retailer 2
-
$2,299 USD
View
B
Retailer 3
-
$2,549 USD
View
B+
Retailer 4
-
$2,609 USD
View
B
Retailer 5
-
$3,028 USD
View
B
Retailer 6
-
$3,079 USD
View
Most Expensive
B
MOH London
F1986700C · Nov 4
$4,335 USD
£3,413 GBP
View
6 more retailers have this diamond
Prices start from $2,030 USDSave up to $2,305 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
$2,030 USD