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Heart|Natural|GIA

1.04ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6505138656

Certificate GIA 6505138656

Diamond specifications and retailer prices

From £1,266 GBP
As of November 2, 2026
Save £1,860 GBP (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,126 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.04ct natural heart diamond

This 1.04ct natural heart sits in the classic one-carat band, graded G 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 6505138656. Listed at 6 retailers as of November 2, 2026, with prices from £1,266 to £3,126, a £1,860 spread on the same certified stone. NZ Jewellers lists it at £3,126. 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

1.04
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.46°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6505138656
Dimensions5.99 × 7.07 × 4.26 mm
L/W Ratio1.18
Top View
5.99 mm7.07 mm1.04 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6505138656
Side View
Table 59.0%Crown 36.46°Girdle: MED-VTKPavilion 41.4°Culet: NoneDepth 60.2%

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 2
Current: £3,126 GBP|Low: £1,266 GBP|High: £3,189 GBP|Avg: £1,747 GBP|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2£1,266 GBP
Retailer 5£1,281 GBP
Retailer 4£1,341 GBP
Retailer 6£1,377 GBP
Retailer 8£1,533 GBP
Retailer 7£1,555 GBP
Retailer 9£1,733 GBP
Retailer 3£2,244 GBP
NZ Jewellers£3,126 GBP

30 data points across 9 retailers

6 retailers£1,266 GBP to £3,126 GBP

A
Cheapest Retailer
-
£1,266 GBP
A
Retailer 2
-
£1,281 GBP
View
A
Retailer 3
-
£1,341 GBP
View
A
Retailer 4
-
£1,377 GBP
View
B+
Retailer 5
-
£2,244 GBP
View
Most Expensive
B
NZ Jewellers
72f7976e-4443-41fe-a0aa-63fc2667bf12 · Nov 3
£3,126 GBP
$4,184 USD
View
5 more retailers have this diamond
Prices start from £1,266 GBPSave up to £1,860 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
1.04ct Heart
£1,266 GBP