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Heart|Natural|GIA

1.02ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 5553265981

Certificate GIA 5553265981

Diamond specifications and retailer prices

From £744 GBP
As of November 6, 2026
Save £386 GBP (34%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,131 GBP at GemTrove · As of November 7, 2026
View at GemTrove

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 5553265981. Listed at 6 retailers as of November 6, 2026, with prices from £744 to £1,131, a £386 spread on the same certified stone. GemTrove lists it at £1,131. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553265981
Dimensions6.00 × 7.00 × 4.16 mm
L/W Ratio1.17
Top View
6.00 mm7.00 mm1.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5553265981
Side View
Table 56.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.5%

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: £1,131 GBP|Low: £744 GBP|High: £1,131 GBP|Avg: £912 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3£744 GBP
Retailer 4£776 GBP
Retailer 2£823 GBP
Retailer 6£843 GBP
Retailer 5£914 GBP
GemTrove£1,131 GBP

40 data points across 6 retailers

6 retailers£744 GBP to £1,131 GBP

A
Cheapest Retailer
-
£744 GBP
A
Retailer 2
-
£776 GBP
View
A
Retailer 3
-
£823 GBP
View
A
Retailer 4
-
£843 GBP
View
A
Retailer 5
-
£914 GBP
View
Most Expensive
B+
GemTrove
GT-N-01269118-98 · Nov 7
£1,131 GBP
A$2,328 AUD
View
5 more retailers have this diamond
Prices start from £744 GBPSave up to £386 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
£744 GBP