Heart|Natural|GIA

1.02ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 6442694046

Certificate GIA 6442694046

Diamond specifications and retailer prices

From £1,023 GBP
As of November 6, 2026
Save £1,044 GBP (51%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,067 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.02ct natural heart diamond

This 1.02ct 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 6442694046. Listed at 10 retailers as of November 4, 2026, with prices from £1,023 to £2,067, a £1,044 spread on the same certified stone. MOH London lists it at £2,067. 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

1.02
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6442694046
Dimensions5.80 × 5.44 × 3.76 mm
L/W Ratio1.07
Top View
5.80 mm5.44 mm1.02 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6442694046
Side View
Table 59.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 69.0%

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 6
Current: £2,067 GBP|Low: £1,013 GBP|High: £2,097 GBP|Avg: £1,378 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5£1,023 GBP
Retailer 7£1,096 GBP
Retailer 6£1,098 GBP
Retailer 8£1,183 GBP
Retailer 3£1,311 GBP
Retailer 9£1,352 GBP
Retailer 4£1,443 GBP
Retailer 2£1,606 GBP
MOH London£2,067 GBP

41 data points across 9 retailers

10 retailers£1,023 GBP to £2,067 GBP

A
Cheapest Retailer
-
£1,023 GBP
B+
Retailer 2
-
£1,096 GBP
View
B+
Retailer 3
-
£1,098 GBP
View
Retailer 4
-
£1,183 GBP
View
Price last confirmed 30 days ago
B+
Retailer 5
-
£1,284 GBP
View
B+
Retailer 6
-
£1,311 GBP
View
B+
Retailer 7
-
£1,352 GBP
View
B+
Retailer 8
-
£1,443 GBP
View
B
Retailer 9
-
£1,606 GBP
View
Most Expensive
B
MOH London
499257901 · Nov 4
£2,067 GBP
View
9 more retailers have this diamond
Prices start from £1,023 GBPSave up to £1,044 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
1.02ct Heart
£1,023 GBP