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Heart|Natural|GIA

1.03ct I I1 Heart Natural Diamond

ID • I/I1 • GIA 2377199748

Certificate GIA 2377199748

Diamond specifications and retailer prices

From £989 GBP
$1,327 USD
As of November 1, 2026
Save £1,613 GBP (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,601 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 I 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 2377199748. Listed at 7 retailers as of October 30, 2026, with prices from £989 to £2,601, a £1,613 spread on the same certified stone. NZ Jewellers lists it at £2,601. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

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

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2377199748
Dimensions6.70 × 7.00 × 3.95 mm
L/W Ratio1.04
Top View
6.70 mm7.00 mm1.03 ctI / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2377199748
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 56.4%

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: £2,601 GBP|Low: £989 GBP|High: £2,601 GBP|Avg: £1,308 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9£989 GBP
Retailer 7£1,062 GBP
Retailer 4£1,066 GBP
Retailer 5£1,066 GBP
Retailer 10£1,090 GBP
Retailer 3£1,116 GBP
Retailer 6£1,230 GBP
Retailer 8£1,269 GBP
Retailer 2£1,485 GBP
NZ Jewellers£2,601 GBP

18 data points across 10 retailers

7 retailers£989 GBP to £2,601 GBP

A
Cheapest Retailer
-
£989 GBP
$1,327 USD
A
Retailer 2
-
£1,066 GBP
$1,431 USD
View
A
Retailer 3
-
£1,066 GBP
$1,431 USD
View
A
Retailer 4
-
£1,116 GBP
$1,497 USD
View
B+
Retailer 5
-
£1,230 GBP
$1,651 USD
View
B+
Retailer 6
-
£1,485 GBP
€1,898 EUR
View
Most Expensive
C
NZ Jewellers
2edd24b0-68ca-4a9c-97fa-e9bbf71ecdd8 · Oct 30
£2,601 GBP
$3,491 USD
View
6 more retailers have this diamond
Prices start from £989 GBPSave up to £1,613 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
£989 GBP