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Heart|Natural|GIA

1.00ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 7536856037

Certificate GIA 7536856037

Diamond specifications and retailer prices

From £634 GBP
As of November 6, 2026
Save £395 GBP (38%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,029 GBP at GemTrove · As of November 6, 2026
View at GemTrove

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 7536856037. Listed at 6 retailers as of November 6, 2026, with prices from £634 to £1,029, a £395 spread on the same certified stone. GemTrove lists it at £1,029. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7536856037
Dimensions6.61 × 6.91 × 3.75 mm
L/W Ratio1.05
Culet sizeNone
Key to symbols
Twinning Wisp, Indented Natural, Natural
Top View
6.61 mm6.91 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7536856037
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 54.3%

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: £1,029 GBP|Low: £626 GBP|High: £1,029 GBP|Avg: £779 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 3£634 GBP
Retailer 6£639 GBP
Retailer 4£697 GBP
Retailer 2£716 GBP
Retailer 5£720 GBP
GemTrove£1,029 GBP

41 data points across 6 retailers

6 retailers£634 GBP to £1,029 GBP

A
Cheapest Retailer
-
£634 GBP
A
Retailer 2
-
£639 GBP
View
Final sale: no returns
A
Retailer 3
-
£697 GBP
View
A
Retailer 4
-
£716 GBP
View
A
Retailer 5
-
£720 GBP
View
Most Expensive
B+
GemTrove
GT-N-01267670-98 · Nov 6
£1,029 GBP
A$2,118 AUD
View
5 more retailers have this diamond
Prices start from £634 GBPSave up to £395 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
£634 GBP