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Heart|Natural|GIA

1.02ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 1246056240

Certificate GIA 1246056240

Diamond specifications and retailer prices

From £832 GBP
As of November 4, 2026
Save £557 GBP (40%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,388 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.02ct natural heart diamond

This 1.02ct natural heart sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1246056240. Listed at 10 retailers as of November 4, 2026, with prices from £832 to £1,388, a £557 spread on the same certified stone. Wholesale Diamonds Direct lists it at £1,388. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.28°
Pavilion angle39.26°
OriginNatural
Grading LabGIA
CertificateGIA 1246056240
Dimensions5.94 × 6.98 × 4.17 mm
L/W Ratio1.18
Culet sizeNone
Top View
5.94 mm6.98 mm1.02 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246056240
Side View
Table 59.0%Crown 39.28°Girdle: MED-THKPavilion 39.26°Culet: NoneDepth 59.8%

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 4
Current: £874 GBP|Low: £832 GBP|High: £1,489 GBP|Avg: £1,001 GBP|-5.1%
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 6£832 GBP
Retailer 9£834 GBP
Retailer 4£858 GBP
Retailer 1£874 GBP
Retailer 8£905 GBP
Retailer 5£934 GBP
Retailer 3£936 GBP
Retailer 7£1,022 GBP
Retailer 2£1,044 GBP
Wholesale Diamonds Direct£1,388 GBP

28 data points across 10 retailers

10 retailers£832 GBP to £1,388 GBP

A
Cheapest Retailer
-
£832 GBP
A
Retailer 2
-
£834 GBP
View
A
Retailer 3
-
£858 GBP
View
A
Retailer 4
-
£874 GBP
View
A
Retailer 5
-
£905 GBP
View
A
Retailer 6
-
£934 GBP
View
A
Retailer 7
-
£936 GBP
View
A
Retailer 8
-
£1,022 GBP
View
A
Retailer 9
-
£1,044 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
564560942 · Nov 6
£1,388 GBP
$1,858 USD
View
9 more retailers have this diamond
Prices start from £832 GBPSave up to £557 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 Heart
£832 GBP