CaratHunter
Plans
Heart|Natural|GIA

1.03ct H SI2 Heart Natural Diamond

ID • H/SI2 • GIA 6535764297

Certificate GIA 6535764297

Diamond specifications and retailer prices

From £1,293 GBP
As of November 2, 2026
Save £1,898 GBP (59%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,190 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.03ct natural heart diamond

This 1.03ct 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 6535764297. Listed at 7 retailers as of November 2, 2026, with prices from £1,293 to £3,190, a £1,898 spread on the same certified stone. NZ Jewellers lists it at £3,190. 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

1.03
Carat
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.92°
Pavilion angle41.48°
OriginNatural
Grading LabGIA
CertificateGIA 6535764297
Dimensions6.27 × 6.94 × 4.22 mm
L/W Ratio1.11
Top View
6.27 mm6.94 mm1.03 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6535764297
Side View
Table 59.0%Crown 36.92°Girdle: MED-VTKPavilion 41.48°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £3,190 GBP|Low: £1,293 GBP|High: £3,257 GBP|Avg: £1,749 GBP|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2£1,293 GBP
Retailer 5£1,308 GBP
Retailer 7£1,319 GBP
Retailer 4£1,369 GBP
Retailer 6£1,404 GBP
Retailer 8£1,585 GBP
Retailer 10£1,730 GBP
Retailer 9£1,770 GBP
Retailer 3£2,291 GBP
NZ Jewellers£3,190 GBP

30 data points across 10 retailers

7 retailers£1,293 GBP to £3,190 GBP

A
Cheapest Retailer
-
£1,293 GBP
A
Retailer 2
-
£1,308 GBP
View
A
Retailer 3
-
£1,319 GBP
View
A
Retailer 4
-
£1,369 GBP
View
B+
Retailer 5
-
£1,404 GBP
View
B
Retailer 6
-
£2,291 GBP
View
Most Expensive
B
NZ Jewellers
df274c34-c5d0-4b2e-a282-ae325d9607dc · Nov 3
£3,190 GBP
$4,270 USD
View
6 more retailers have this diamond
Prices start from £1,293 GBPSave up to £1,898 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
1.03ct Heart
£1,293 GBP