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Heart|Natural|GIA

1.03ct H I1 Heart Natural Diamond

ID • H/I1 • GIA 6441577644

Certificate GIA 6441577644

Diamond specifications and retailer prices

From £1,165 GBP
₹148,710 INR
As of November 1, 2026
Save £2,192 GBP (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,358 GBP at NZ Jewellers · As of October 30, 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 I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6441577644. Listed at 10 retailers as of October 30, 2026, with prices from £1,165 to £3,358, a £2,192 spread on the same certified stone. NZ Jewellers lists it at £3,358. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
H
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6441577644
Dimensions6.51 × 6.95 × 3.67 mm
L/W Ratio1.07
Top View
6.51 mm6.95 mm1.03 ctH / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6441577644
Side View
Table 61.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 52.8%

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 1
Current: £3,358 GBP|Low: £1,163 GBP|High: £3,358 GBP|Avg: £1,763 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2£1,165 GBP
Retailer 3£1,175 GBP
Retailer 6£1,451 GBP
Retailer 5£1,524 GBP
Retailer 8£1,606 GBP
Retailer 9£1,606 GBP
Retailer 7£1,680 GBP
Retailer 10£1,853 GBP
Retailer 4£2,194 GBP
NZ Jewellers£3,358 GBP

45 data points across 10 retailers

10 retailers£1,165 GBP to £3,358 GBP

A
Cheapest Retailer
-
£1,165 GBP
₹148,710 INR
A
Retailer 2
-
£1,175 GBP
HK$12,300 HKD
View
B+
Retailer 3
-
£1,451 GBP
$1,944 USD
View
B+
Retailer 4
-
£1,524 GBP
$2,042 USD
View
B
Retailer 5
-
£1,606 GBP
$2,152 USD
View
B
Retailer 6
-
£1,606 GBP
$2,152 USD
View
B
Retailer 7
-
£1,680 GBP
$2,251 USD
View
B
Retailer 8
-
£1,853 GBP
$2,483 USD
View
B
Retailer 9
-
£2,194 GBP
€2,800 EUR
View
Most Expensive
C
NZ Jewellers
da3db6e6-f6f7-406b-94e3-b5a672725c23 · Oct 30
£3,358 GBP
$4,499 USD
View
9 more retailers have this diamond
Prices start from £1,165 GBPSave up to £2,192 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
£1,165 GBP