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Heart|Natural|GIA

1.03ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 6542354200

Certificate GIA 6542354200

Diamond specifications and retailer prices

From £1,526 GBP
As of November 5, 2026
Save £846 GBP (36%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £2,372 GBP at Shane Co · As of November 6, 2026
View at Shane Co

About this 1.03ct natural heart diamond

This 1.03ct natural heart sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542354200. Listed at 2 retailers as of November 5, 2026, with prices from £1,526 to £2,372, a £846 spread on the same certified stone. Shane Co lists it at £2,372. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle42.1°
OriginNatural
Grading LabGIA
CertificateGIA 6542354200
Dimensions5.82 × 6.84 × 4.37 mm
L/W Ratio1.18
Top View
5.82 mm6.84 mm1.03 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542354200
Side View
Table 60.0%CrownGirdle: MED-VTKPavilion 42.1°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £1,526 GBP|Low: £1,066 GBP|High: £2,372 GBP|Avg: £1,470 GBP|+0.2%
Retailer 1
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
Shane Co
November 5, 2026
Retailer 9£1,066 GBP
Retailer 12£1,090 GBP
Retailer 10£1,175 GBP
Retailer 2£1,239 GBP
Retailer 8£1,245 GBP
Retailer 6£1,272 GBP
Retailer 14£1,375 GBP
Retailer 11£1,382 GBP
Retailer 5£1,412 GBP
Retailer 13£1,464 GBP
Retailer 7£1,517 GBP
Retailer 1£1,526 GBP
Retailer 4£1,763 GBP
Retailer 3£2,161 GBP
Shane Co£2,372 GBP

6 data points across 15 retailers

2 retailers£1,526 GBP to £2,372 GBP

A
Cheapest Retailer
-
£1,526 GBP
Most Expensive
B
Shane Co
26H04L8 · Nov 6
£2,372 GBP
$3,175 USD
View
1 more retailer has this diamond
Prices start from £1,526 GBPSave up to £846 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
£1,526 GBP