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Heart|Natural|GIA

1.03ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 6237888543

Certificate GIA 6237888543

Diamond specifications and retailer prices

From £1,762 GBP
As of November 6, 2026
3 retailers carry this diamond
Most expensive: £3,340 GBP at NZ Jewellers · As of September 20, 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 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 6237888543. Listed at 3 retailers as of November 6, 2026. 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
FluorescenceNone
Pavilion angle39.7°
OriginNatural
Grading LabGIA
CertificateGIA 6237888543
Dimensions6.18 × 6.96 × 4.09 mm
L/W Ratio1.13
Top View
6.18 mm6.96 mm1.03 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237888543
Side View
Table 59.0%CrownGirdle: STK-VTKPavilion 39.7°Culet: NoneDepth 58.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £1,696 GBP|Low: £1,225 GBP|High: £2,802 GBP|Avg: £1,772 GBP|+1.2%
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
Retailer 15
Retailer 16
Retailer 17
September 24, 2026
Retailer 15£1,225 GBP
Retailer 16£1,248 GBP
Retailer 12£1,369 GBP
Retailer 3£1,425 GBP
Retailer 11£1,458 GBP
Retailer 10£1,475 GBP
Retailer 14£1,524 GBP
Retailer 1£1,696 GBP
Retailer 9£1,715 GBP
Retailer 17£1,762 GBP
Retailer 6£1,845 GBP
Retailer 7£1,845 GBP
Retailer 5£1,905 GBP
Retailer 8£2,096 GBP
Retailer 4£2,198 GBP
Retailer 2£2,552 GBP
Retailer 13£2,802 GBP

3 data points across 17 retailers

3 retailers

Retailer 1
-
£1,425 GBP
Price last confirmed 63 days ago
B+
Retailer 2
-
£1,762 GBP
View
Most Expensive
NZ Jewellers
3489ba08-5c6b-4330-bb90-28625d28100a · Sep 20
£3,340 GBP
$4,470 USD
View
Price last confirmed 46 days ago
2 more retailers have this diamond
Prices start from £1,762 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.

B+
1.03ct Heart
£1,762 GBP