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Heart|Natural|GIA

1.01ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 3555718869

Certificate GIA 3555718869

Diamond specifications and retailer prices

From £1,635 GBP
As of November 6, 2026
Save £2,759 GBP (63%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £4,394 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3555718869. Listed at 24 retailers as of November 5, 2026, with prices from £1,635 to £4,394, a £2,759 spread on the same certified stone. NZ Jewellers lists it at £4,394. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.16°
Pavilion angle38.02°
OriginNatural
Grading LabGIA
CertificateGIA 3555718869
Dimensions6.12 × 6.73 × 4.07 mm
L/W Ratio1.10
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
6.12 mm6.73 mm1.01 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555718869
Side View
Table 56.0%Crown 37.16°Girdle: THK-VTKPavilion 38.02°Culet: NoneDepth 60.4%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £2,039 GBP|Low: £1,635 GBP|High: £3,721 GBP|Avg: £2,345 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10£1,635 GBP
Retailer 2£1,648 GBP
Retailer 8£1,863 GBP
Retailer 1£2,039 GBP
Retailer 11£2,064 GBP
Retailer 6£2,224 GBP
Retailer 5£2,267 GBP
Retailer 3£2,418 GBP
Retailer 4£2,446 GBP
Retailer 7£2,565 GBP
Retailer 9£3,671 GBP

23 data points across 11 retailers

24 retailers£1,635 GBP to £4,394 GBP

B+
Cheapest Retailer
-
£1,635 GBP
Retailer 2
-
£1,648 GBP
View
Price last confirmed 7 days ago
B+
Retailer 3
-
£1,843 GBP
View
B+
Retailer 4
-
£1,863 GBP
View
B+
Retailer 5
-
£1,883 GBP
View
B+
Retailer 6
-
£1,939 GBP
View
Final sale: no returns
B+
Retailer 7
-
£2,039 GBP
View
B+
Retailer 8
-
£2,062 GBP
View
B+
Retailer 9
-
£2,064 GBP
View
Retailer 10
-
£2,102 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£2,102 GBP
View
B+
Retailer 12
-
£2,182 GBP
View
B+
Retailer 13
-
£2,207 GBP
View
B+
Retailer 14
-
£2,224 GBP
View
B
Retailer 15
-
£2,267 GBP
View
Retailer 16
-
£2,354 GBP
View
Price last confirmed 30 days ago
B
Retailer 17
-
£2,395 GBP
View
B
Retailer 18
-
£2,425 GBP
View
B
Retailer 19
-
£2,446 GBP
View
B
Retailer 20
-
£2,565 GBP
View
B
Retailer 21
-
£3,068 GBP
View
B
Retailer 22
-
£3,154 GBP
View
B
Retailer 23
-
£3,671 GBP
View
Most Expensive
B
NZ Jewellers
55076271-f5bd-4fc3-acff-3994fe7b52b6 · Nov 5
£4,394 GBP
$5,881 USD
View
23 more retailers have this diamond
Prices start from £1,635 GBPSave up to £2,759 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
£1,635 GBP