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1.02ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1418762555

Certificate GIA 1418762555

Diamond specifications and retailer prices

From £962 GBP
As of November 5, 2026
Save £1,377 GBP (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,339 GBP 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 £962 to £2,339, a £1,377 spread on the same certified stone. MOH London lists it at £2,339. 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
Colour
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: £2,339 GBP|Low: £962 GBP|High: £2,374 GBP|Avg: £1,532 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 2£962 GBP
Retailer 5£1,236 GBP
Retailer 3£1,477 GBP
Retailer 4£1,626 GBP
MOH London£2,339 GBP

45 data points across 5 retailers

5 retailers£962 GBP to £2,339 GBP

A
Cheapest Retailer
-
£962 GBP
A
Retailer 2
-
£1,236 GBP
View
B+
Retailer 3
-
£1,477 GBP
View
B+
Retailer 4
-
£1,626 GBP
View
Most Expensive
B
MOH London
F584B7EFA · Nov 4
£2,339 GBP
View
4 more retailers have this diamond
Prices start from £962 GBPSave up to £1,377 GBP

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
£962 GBP