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Heart|Natural|GIA

1.02ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 1246052756

Certificate GIA 1246052756

Diamond specifications and retailer prices

From £1,166 GBP
As of November 6, 2026
Save £2,141 GBP (65%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,307 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural heart diamond

This 1.02ct natural heart sits in the classic one-carat band, graded H 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 1246052756. Listed at 16 retailers as of November 5, 2026, with prices from £1,166 to £3,307, a £2,141 spread on the same certified stone. NZ Jewellers lists it at £3,307. 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

1.02
Carat
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1246052756
Dimensions6.05 × 7.04 × 4.13 mm
L/W Ratio1.16
Girdle conditionFaceted
Top View
6.05 mm7.04 mm1.02 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246052756
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.7%

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 6
Current: £3,307 GBP|Low: £1,148 GBP|High: £3,307 GBP|Avg: £1,773 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 14£1,166 GBP
Retailer 2£1,376 GBP
Retailer 15£1,460 GBP
Retailer 12£1,478 GBP
Retailer 4£1,491 GBP
Retailer 8£1,535 GBP
Retailer 10£1,557 GBP
Retailer 3£1,599 GBP
Retailer 9£1,620 GBP
Retailer 7£1,643 GBP
Retailer 5£1,742 GBP
Retailer 11£1,931 GBP
Retailer 6£2,429 GBP
Retailer 13£2,771 GBP
NZ Jewellers£3,307 GBP

28 data points across 15 retailers

16 retailers£1,166 GBP to £3,307 GBP

A
Cheapest Retailer
-
£1,166 GBP
A
Retailer 2
-
£1,376 GBP
View
B+
Retailer 3
-
£1,460 GBP
View
Final sale: no returns
B+
Retailer 4
-
£1,478 GBP
View
B+
Retailer 5
-
£1,491 GBP
View
B+
Retailer 6
-
£1,535 GBP
View
B+
Retailer 7
-
£1,557 GBP
View
B+
Retailer 8
-
£1,599 GBP
View
B+
Retailer 9
-
£1,620 GBP
View
B+
Retailer 10
-
£1,643 GBP
View
B+
Retailer 11
-
£1,742 GBP
View
B+
Retailer 12
-
£1,931 GBP
View
Retailer 13
-
£2,127 GBP
View
Price last confirmed 30 days ago
B
Retailer 14
-
£2,429 GBP
View
B
Retailer 15
-
£2,771 GBP
View
Most Expensive
B
NZ Jewellers
62a40faa-6275-460b-9789-1158434220b3 · Nov 5
£3,307 GBP
$4,427 USD
View
15 more retailers have this diamond
Prices start from £1,166 GBPSave up to £2,141 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
1.02ct Heart
£1,166 GBP