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Heart|Natural|GIA

1.04ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 6522240654

Certificate GIA 6522240654

Diamond specifications and retailer prices

From £849 GBP
As of November 5, 2026
Save £889 GBP (51%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,738 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.04ct natural heart diamond

This 1.04ct 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 6522240654. Listed at 12 retailers as of November 4, 2026, with prices from £849 to £1,738, a £889 spread on the same certified stone. MOH London lists it at £1,738. 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

1.04
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6522240654
Dimensions5.84 × 5.67 × 3.86 mm
L/W Ratio1.03
Top View
5.84 mm5.67 mm1.04 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6522240654
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.0%

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 5
Current: £1,738 GBP|Low: £904 GBP|High: £1,764 GBP|Avg: £1,106 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6£904 GBP
Retailer 9£911 GBP
Retailer 2£923 GBP
Retailer 7£952 GBP
Retailer 8£1,038 GBP
Retailer 4£1,076 GBP
Retailer 5£1,161 GBP
Retailer 3£1,322 GBP
MOH London£1,738 GBP

37 data points across 9 retailers

12 retailers£849 GBP to £1,738 GBP

A
Cheapest Retailer
-
£849 GBP
Retailer 2
-
£904 GBP
View
Price last confirmed 17 days ago
A
Retailer 3
-
£911 GBP
View
A
Retailer 4
-
£923 GBP
View
Retailer 5
-
£952 GBP
View
Price last confirmed 9 days ago
A
Retailer 6
-
£1,020 GBP
View
A
Retailer 7
-
£1,038 GBP
View
A
Retailer 8
-
£1,052 GBP
View
A
Retailer 9
-
£1,076 GBP
View
B+
Retailer 10
-
£1,161 GBP
View
B+
Retailer 11
-
£1,322 GBP
View
Most Expensive
B
MOH London
418A05E17 · Nov 4
£1,738 GBP
View
11 more retailers have this diamond
Prices start from £849 GBPSave up to £889 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
1.04ct Heart
£849 GBP