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Heart|Natural|GIA

1.00ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 2416896393

Certificate GIA 2416896393

Diamond specifications and retailer prices

From £847 GBP
As of November 6, 2026
Save £2,067 GBP (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,914 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct 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 2416896393. Listed at 15 retailers as of November 5, 2026, with prices from £847 to £2,914, a £2,067 spread on the same certified stone. NZ Jewellers lists it at £2,914. 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

1.00
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2416896393
Dimensions5.76 × 7.03 × 3.82 mm
L/W Ratio1.22
Top View
5.76 mm7.03 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2416896393
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 54.3%

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 6
Current: £847 GBP|Low: £813 GBP|High: £2,118 GBP|Avg: £1,233 GBP|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1£847 GBP
Retailer 5£870 GBP
Retailer 6£1,103 GBP
Retailer 8£1,148 GBP
Retailer 2£1,203 GBP
Retailer 7£1,250 GBP
Retailer 3£1,325 GBP
Retailer 4£2,093 GBP

45 data points across 8 retailers

15 retailers£847 GBP to £2,914 GBP

A
Cheapest Retailer
-
£847 GBP
A
Retailer 2
-
£870 GBP
View
B+
Retailer 3
-
£1,103 GBP
View
Final sale: no returns
B+
Retailer 4
-
£1,148 GBP
View
Retailer 5
-
£1,195 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£1,195 GBP
View
B+
Retailer 7
-
£1,203 GBP
View
B+
Retailer 8
-
£1,208 GBP
View
B+
Retailer 9
-
£1,250 GBP
View
B+
Retailer 10
-
£1,310 GBP
View
B+
Retailer 11
-
£1,325 GBP
View
B
Retailer 12
-
£1,378 GBP
View
B
Retailer 13
-
£2,093 GBP
View
B
Retailer 14
-
£2,521 GBP
View
Most Expensive
C
NZ Jewellers
283be4e0-ae48-44fa-a1bd-9d19063416c3 · Nov 5
£2,914 GBP
$3,901 USD
View
14 more retailers have this diamond
Prices start from £847 GBPSave up to £2,067 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
1.00ct Heart
£847 GBP