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Heart|Natural|GIA

1.00ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 6562398824

Certificate GIA 6562398824

Diamond specifications and retailer prices

From £856 GBP
As of November 4, 2026
Save £1,406 GBP (62%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,262 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562398824. Listed at 5 retailers as of November 4, 2026, with prices from £856 to £2,262, a £1,406 spread on the same certified stone. NZ Jewellers lists it at £2,262. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6562398824
Dimensions6.19 × 6.90 × 3.78 mm
L/W Ratio1.11
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural
Top View
6.19 mm6.90 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6562398824
Side View
Table 56.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 54.7%

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 4
Current: £2,262 GBP|Low: £734 GBP|High: £2,378 GBP|Avg: £1,383 GBP|-4.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4£856 GBP
Retailer 2£949 GBP
Retailer 5£1,040 GBP
Retailer 3£1,694 GBP
NZ Jewellers£2,262 GBP

42 data points across 5 retailers

5 retailers£856 GBP to £2,262 GBP

B+
Cheapest Retailer
-
£856 GBP
Final sale: no returns
A
Retailer 2
-
£949 GBP
View
A
Retailer 3
-
£1,040 GBP
View
B
Retailer 4
-
£1,694 GBP
View
Most Expensive
B
NZ Jewellers
40694268-3cc2-4745-8592-a10adefba17f · Nov 5
£2,262 GBP
$3,028 USD
View
4 more retailers have this diamond
Prices start from £856 GBPSave up to £1,406 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
£856 GBP