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Heart|Natural|GIA

1.01ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 6521324352

Certificate GIA 6521324352

Diamond specifications and retailer prices

From £860 GBP
As of November 4, 2026
Save £1,329 GBP (61%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,189 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6521324352. Listed at 14 retailers as of November 4, 2026, with prices from £860 to £2,189, a £1,329 spread on the same certified stone. NZ Jewellers lists it at £2,189. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.83°
Pavilion angle38.62°
OriginNatural
Grading LabGIA
CertificateGIA 6521324352
Dimensions5.89 × 6.84 × 4.01 mm
L/W Ratio1.16
Top View
5.89 mm6.84 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6521324352
Side View
Table 62.0%Crown 39.83°Girdle: THK-VTKPavilion 38.62°Culet: NoneDepth 58.6%

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: £2,189 GBP|Low: £860 GBP|High: £2,189 GBP|Avg: £1,080 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
November 6, 2026
Retailer 5£860 GBP
Retailer 12£863 GBP
Retailer 7£870 GBP
Retailer 2£893 GBP
Retailer 3£897 GBP
Retailer 13£897 GBP
Retailer 11£932 GBP
Retailer 6£972 GBP
Retailer 4£1,001 GBP
Retailer 9£1,014 GBP
Retailer 14£1,035 GBP
Retailer 8£1,095 GBP
Retailer 10£1,644 GBP
NZ Jewellers£2,189 GBP

37 data points across 14 retailers

14 retailers£860 GBP to £2,189 GBP

A
Cheapest Retailer
-
£860 GBP
A
Retailer 2
-
£863 GBP
View
A
Retailer 3
-
£870 GBP
View
A
Retailer 4
-
£893 GBP
View
A
Retailer 5
-
£897 GBP
View
Retailer 6
-
£897 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£932 GBP
View
A
Retailer 8
-
£972 GBP
View
A
Retailer 9
-
£1,001 GBP
View
A
Retailer 10
-
£1,014 GBP
View
A
Retailer 11
-
£1,035 GBP
View
A
Retailer 12
-
£1,095 GBP
View
B+
Retailer 13
-
£1,644 GBP
View
Most Expensive
B
NZ Jewellers
0837a062-daa1-42ce-8775-59a357f7ec1b · Nov 5
£2,189 GBP
$2,930 USD
View
13 more retailers have this diamond
Prices start from £860 GBPSave up to £1,329 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
£860 GBP