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Round|Natural|GIA

1.02ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1418762555

Certificate GIA 1418762555

Diamond specifications and retailer prices

From $1,295 USD
As of November 5, 2026
Save $1,853 USD (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,148 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.02ct natural round diamond

This 1.02ct 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 1418762555. Listed at 5 retailers as of November 4, 2026, with prices from $1,295 to $3,148, a $1,853 spread on the same certified stone. MOH London lists it at $3,148. 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

1.02
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1418762555
Dimensions6.41 × 6.45 × 4.01 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.41 mm6.45 mm1.02 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1418762555
Side View
Table 58.0%Crown 36°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.4%

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 5
Current: $3,148 USD|Low: $1,295 USD|High: $3,195 USD|Avg: $2,062 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 2$1,295 USD
Retailer 5$1,663 USD
Retailer 3$1,988 USD
Retailer 4$2,189 USD
MOH London$3,148 USD

45 data points across 5 retailers

5 retailers$1,295 USD to $3,148 USD

A
Cheapest Retailer
-
$1,295 USD
A
Retailer 2
-
$1,663 USD
View
B+
Retailer 3
-
$1,988 USD
View
B+
Retailer 4
-
$2,189 USD
View
Most Expensive
B
MOH London
F584B7EFA · Nov 4
$3,148 USD
£2,479 GBP
View
4 more retailers have this diamond
Prices start from $1,295 USDSave up to $1,853 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
1.02ct Round
$1,295 USD