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Heart|Natural|GIA

1.01ct D SI1 Heart Natural Diamond

ID • D/SI1 • GIA 7558153705

Certificate GIA 7558153705

Diamond specifications and retailer prices

From £1,889 GBP
As of November 6, 2026
Save £2,353 GBP (55%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £4,242 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7558153705. Listed at 25 retailers as of November 5, 2026, with prices from £1,889 to £4,242, a £2,353 spread on the same certified stone. NZ Jewellers lists it at £4,242. 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
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.23°
Pavilion angle39.3°
OriginNatural
Grading LabGIA
CertificateGIA 7558153705
Dimensions5.74 × 6.85 × 4.23 mm
L/W Ratio1.19
Key to symbols
Feather, Pinpoint
Top View
5.74 mm6.85 mm1.01 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558153705
Side View
Table 57.0%Crown 37.23°Girdle: THK-VTKPavilion 39.3°Culet: NoneDepth 61.7%

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: £4,242 GBP|Low: £1,874 GBP|High: £4,242 GBP|Avg: £2,693 GBP
NZ Jewellers
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 2£1,889 GBP
Retailer 19£1,893 GBP
Retailer 16£2,165 GBP
Retailer 11£2,247 GBP
Retailer 3£2,347 GBP
Retailer 12£2,362 GBP
Retailer 9£2,430 GBP
Retailer 5£2,435 GBP
Retailer 7£2,435 GBP
Retailer 14£2,519 GBP
Retailer 6£2,528 GBP
Retailer 8£2,607 GBP
Retailer 17£2,607 GBP
Retailer 13£2,636 GBP
Retailer 4£2,809 GBP
Retailer 15£2,971 GBP
Retailer 10£3,665 GBP
Retailer 18£4,071 GBP
NZ Jewellers£4,242 GBP

28 data points across 19 retailers

25 retailers£1,889 GBP to £4,242 GBP

B+
Cheapest Retailer
-
£1,889 GBP
B+
Retailer 2
-
£1,893 GBP
View
B+
Retailer 3
-
£2,079 GBP
View
B+
Retailer 4
-
£2,161 GBP
View
B+
Retailer 5
-
£2,165 GBP
View
B+
Retailer 6
-
£2,247 GBP
View
Final sale: no returns
B+
Retailer 7
-
£2,347 GBP
View
B+
Retailer 8
-
£2,357 GBP
View
B+
Retailer 9
-
£2,362 GBP
View
B+
Retailer 10
-
£2,430 GBP
View
Retailer 11
-
£2,435 GBP
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£2,435 GBP
View
B+
Retailer 13
-
£2,519 GBP
View
B
Retailer 14
-
£2,528 GBP
View
B
Retailer 15
-
£2,542 GBP
View
Retailer 16
-
£2,601 GBP
View
Price last confirmed 30 days ago
B
Retailer 17
-
£2,607 GBP
View
B
Retailer 18
-
£2,607 GBP
View
B
Retailer 19
-
£2,636 GBP
View
B
Retailer 20
-
£2,705 GBP
View
B
Retailer 21
-
£2,809 GBP
View
B
Retailer 22
-
£2,971 GBP
View
B
Retailer 23
-
£3,665 GBP
View
B
Retailer 24
-
£4,071 GBP
View
Most Expensive
B
NZ Jewellers
e9303c6e-80d6-408c-a8a0-96f5409b8dca · Nov 5
£4,242 GBP
$5,678 USD
View
24 more retailers have this diamond
Prices start from £1,889 GBPSave up to £2,353 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
£1,889 GBP