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Heart|Natural|GIA

1.01ct F SI1 Heart Natural Diamond

ID • F/SI1 • GIA 6542470520

Certificate GIA 6542470520

Diamond specifications and retailer prices

From £1,836 GBP
As of November 4, 2026
Save £2,335 GBP (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £4,170 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural heart diamond

This 1.01ct natural heart sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542470520. Listed at 22 retailers as of November 4, 2026, with prices from £1,836 to £4,170, a £2,335 spread on the same certified stone. NZ Jewellers lists it at £4,170. 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

1.01
Carat
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542470520
Dimensions6.13 × 6.92 × 4.05 mm
L/W Ratio1.13
Top View
6.13 mm6.92 mm1.01 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542470520
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £4,170 GBP|Low: £1,727 GBP|High: £4,170 GBP|Avg: £2,664 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10£1,872 GBP
Retailer 7£1,900 GBP
Retailer 11£2,169 GBP
Retailer 9£2,252 GBP
Retailer 12£2,343 GBP
Retailer 2£2,477 GBP
Retailer 3£2,502 GBP
Retailer 8£2,566 GBP
Retailer 4£2,777 GBP
Retailer 5£2,921 GBP
Retailer 6£3,993 GBP
NZ Jewellers£4,170 GBP

45 data points across 12 retailers

22 retailers£1,836 GBP to £4,170 GBP

B+
Cheapest Retailer
-
£1,836 GBP
B+
Retailer 2
-
£1,872 GBP
View
B+
Retailer 3
-
£1,900 GBP
View
Final sale: no returns
B+
Retailer 4
-
£1,918 GBP
View
B+
Retailer 5
-
£2,169 GBP
View
B+
Retailer 6
-
£2,190 GBP
View
B+
Retailer 7
-
£2,214 GBP
View
B+
Retailer 8
-
£2,252 GBP
View
B
Retailer 9
-
£2,343 GBP
View
B
Retailer 10
-
£2,354 GBP
View
B
Retailer 11
-
£2,354 GBP
View
B
Retailer 12
-
£2,465 GBP
View
B
Retailer 13
-
£2,465 GBP
View
B+
Retailer 14
-
£2,477 GBP
View
B
Retailer 15
-
£2,502 GBP
View
B
Retailer 16
-
£2,548 GBP
View
Retailer 17
-
£2,566 GBP
View
Price last confirmed 34 days ago
Retailer 18
-
£2,777 GBP
View
Price last confirmed 15 days ago
B
Retailer 19
-
£2,809 GBP
View
B
Retailer 20
-
£2,921 GBP
View
B
Retailer 21
-
£3,993 GBP
View
Most Expensive
B
NZ Jewellers
adaa741c-bc2a-48b1-9cbc-5518ab279221 · Nov 5
£4,170 GBP
$5,582 USD
View
21 more retailers have this diamond
Prices start from £1,836 GBPSave up to £2,335 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.

B+
1.01ct Heart
£1,836 GBP