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Heart|Natural|GIA

1.01ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 1555278197

Certificate GIA 1555278197

Diamond specifications and retailer prices

From £858 GBP
As of November 6, 2026
Save £1,954 GBP (69%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,812 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555278197. Listed at 16 retailers as of November 5, 2026, with prices from £858 to £2,812, a £1,954 spread on the same certified stone. NZ Jewellers lists it at £2,812. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1555278197
Dimensions6.18 × 6.91 × 4.09 mm
L/W Ratio1.12
Top View
6.18 mm6.91 mm1.01 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1555278197
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.2%

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: £2,812 GBP|Low: £811 GBP|High: £2,812 GBP|Avg: £1,290 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
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 2£858 GBP
Retailer 4£906 GBP
Retailer 5£1,068 GBP
Retailer 3£1,082 GBP
Retailer 8£1,133 GBP
Retailer 7£1,153 GBP
Retailer 12£1,153 GBP
Retailer 13£1,207 GBP
Retailer 14£1,254 GBP
Retailer 15£1,270 GBP
Retailer 6£1,274 GBP
Retailer 9£1,274 GBP
Retailer 11£1,331 GBP
Retailer 10£2,014 GBP
NZ Jewellers£2,812 GBP

29 data points across 15 retailers

16 retailers£858 GBP to £2,812 GBP

A
Cheapest Retailer
-
£858 GBP
A
Retailer 2
-
£906 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,068 GBP
View
A
Retailer 4
-
£1,082 GBP
View
A
Retailer 5
-
£1,133 GBP
View
Retailer 6
-
£1,153 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£1,153 GBP
View
A
Retailer 8
-
£1,207 GBP
View
A
Retailer 9
-
£1,254 GBP
View
B+
Retailer 10
-
£1,270 GBP
View
B+
Retailer 11
-
£1,274 GBP
View
B+
Retailer 12
-
£1,274 GBP
View
Retailer 13
-
£1,312 GBP
View
Price last confirmed 41 days ago
B+
Retailer 14
-
£1,331 GBP
View
B
Retailer 15
-
£2,014 GBP
View
Most Expensive
B
NZ Jewellers
9eca409b-18a0-4cbf-9f17-533f777d96ca · Nov 5
£2,812 GBP
$3,764 USD
View
15 more retailers have this diamond
Prices start from £858 GBPSave up to £1,954 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
1.01ct Heart
£858 GBP