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Heart|Natural|GIA

1.01ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 2547557327

Certificate GIA 2547557327

Diamond specifications and retailer prices

From £861 GBP
As of November 6, 2026
Save £1,235 GBP (59%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,170 GBP at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 1.01ct natural heart diamond

This 1.01ct natural heart sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2547557327. Listed at 16 retailers as of November 4, 2026, with a 143% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.01
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle38.3°
OriginNatural
Grading LabGIA
CertificateGIA 2547557327
Dimensions5.84 × 6.90 × 4.12 mm
L/W Ratio1.18
Top View
5.84 mm6.90 mm1.01 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547557327
Side View
Table 59.0%CrownGirdle: MED-VTKPavilion 38.3°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £924 GBP|Low: £861 GBP|High: £2,186 GBP|Avg: £1,321 GBP|-6.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 10£861 GBP
Retailer 1£924 GBP
Retailer 5£1,003 GBP
Retailer 8£1,031 GBP
Retailer 3£1,038 GBP
Retailer 2£1,092 GBP
Retailer 4£1,158 GBP
Retailer 9£1,204 GBP
Retailer 11£1,213 GBP
Retailer 12£1,381 GBP
Retailer 13£1,464 GBP
Retailer 6£1,641 GBP
Retailer 7£1,745 GBP
Retailer 14£2,096 GBP

30 data points across 14 retailers

16 retailers£861 GBP to £2,096 GBP

A
Cheapest Retailer
-
£861 GBP
A
Retailer 2
-
£924 GBP
View
A
Retailer 3
-
£1,003 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,031 GBP
View
A
Retailer 5
-
£1,038 GBP
View
A
Retailer 6
-
£1,092 GBP
View
A
Retailer 7
-
£1,158 GBP
View
B+
Retailer 8
-
£1,204 GBP
View
B+
Retailer 9
-
£1,213 GBP
View
B+
Retailer 10
-
£1,381 GBP
View
B+
Retailer 11
-
£1,441 GBP
View
B+
Retailer 12
-
£1,464 GBP
View
Retailer 13
-
£1,641 GBP
View
Price last confirmed 32 days ago
B+
Retailer 14
-
£1,745 GBP
View
B
Retailer 15
-
£2,096 GBP
View
Most Expensive
NZ Jewellers
a5d616bf-c17d-487b-991a-0e318f1bae85 · Sep 25
£3,170 GBP
$4,243 USD
View
Price last confirmed 42 days ago
15 more retailers have this diamond
Prices start from £861 GBPSave up to £1,235 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
1.01ct Heart
£861 GBP