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Heart|Natural|GIA

1.01ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 1559572079

Certificate GIA 1559572079

Diamond specifications and retailer prices

From £1,544 GBP
As of November 6, 2026
Save £2,622 GBP (63%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £4,165 GBP at NZ Jewellers · As of November 5, 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 H 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 1559572079. Listed at 23 retailers as of November 5, 2026, with prices from £1,544 to £4,165, a £2,622 spread on the same certified stone. NZ Jewellers lists it at £4,165. 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
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.67°
Pavilion angle39.98°
OriginNatural
Grading LabGIA
CertificateGIA 1559572079
Dimensions5.36 × 6.77 × 4.47 mm
L/W Ratio1.26
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
5.36 mm6.77 mm1.01 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559572079
Side View
Table 60.0%Crown 42.67°Girdle: THK-ETKPavilion 39.98°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,544 GBP|Low: £1,544 GBP|High: £3,508 GBP|Avg: £2,138 GBP|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1£1,544 GBP
Retailer 9£1,549 GBP
Retailer 7£1,765 GBP
Retailer 10£1,895 GBP
Retailer 3£1,933 GBP
Retailer 5£2,108 GBP
Retailer 4£2,147 GBP
Retailer 2£2,291 GBP
Retailer 6£2,431 GBP
Retailer 8£3,490 GBP

25 data points across 10 retailers

23 retailers£1,544 GBP to £4,165 GBP

B+
Cheapest Retailer
-
£1,544 GBP
B+
Retailer 2
-
£1,549 GBP
View
B+
Retailer 3
-
£1,762 GBP
View
B+
Retailer 4
-
£1,765 GBP
View
B+
Retailer 5
-
£1,785 GBP
View
B+
Retailer 6
-
£1,839 GBP
View
Final sale: no returns
B+
Retailer 7
-
£1,895 GBP
View
B+
Retailer 8
-
£1,933 GBP
View
B+
Retailer 9
-
£1,965 GBP
View
Retailer 10
-
£1,993 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£1,993 GBP
View
B
Retailer 12
-
£2,069 GBP
View
B
Retailer 13
-
£2,097 GBP
View
B
Retailer 14
-
£2,108 GBP
View
B
Retailer 15
-
£2,147 GBP
View
B
Retailer 16
-
£2,152 GBP
View
Retailer 17
-
£2,232 GBP
View
Price last confirmed 30 days ago
B
Retailer 18
-
£2,282 GBP
View
B
Retailer 19
-
£2,299 GBP
View
B
Retailer 20
-
£2,431 GBP
View
B
Retailer 21
-
£2,988 GBP
View
B
Retailer 22
-
£3,490 GBP
View
Most Expensive
B
NZ Jewellers
48124e68-aa71-44a2-913d-c260e6c3ca8a · Nov 5
£4,165 GBP
$5,575 USD
View
22 more retailers have this diamond
Prices start from £1,544 GBPSave up to £2,622 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.

B+
1.01ct Heart
£1,544 GBP