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Heart|Natural|GIA

1.02ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 1533938344

Certificate GIA 1533938344

Diamond specifications and retailer prices

From £1,346 GBP
HK$14,000 HKD
As of October 29, 2026
Save £1,659 GBP (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,856 GBP at NZ Jewellers · As of September 25, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1533938344. Listed at 18 retailers as of October 29, 2026, with a 123% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle38.6°
OriginNatural
Grading LabGIA
CertificateGIA 1533938344
Dimensions5.91 × 6.96 × 4.12 mm
L/W Ratio1.18
Girdle conditionFaceted
Top View
5.91 mm6.96 mm1.02 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1533938344
Side View
Table 58.0%CrownGirdle: MED-VTKPavilion 38.6°Culet: NoneDepth 59.1%

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: Oct 29
Current: £1,872 GBP|Low: £1,346 GBP|High: £3,203 GBP|Avg: £1,904 GBP|-1.6%
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
October 30, 2026
Retailer 2£1,346 GBP
Retailer 12£1,385 GBP
Retailer 4£1,427 GBP
Retailer 15£1,497 GBP
Retailer 10£1,569 GBP
Retailer 9£1,608 GBP
Retailer 16£1,612 GBP
Retailer 5£1,690 GBP
Retailer 13£1,713 GBP
Retailer 11£1,753 GBP
Retailer 1£1,872 GBP
Retailer 14£2,059 GBP
Retailer 8£2,224 GBP
Retailer 6£2,576 GBP
Retailer 3£2,790 GBP
Retailer 7£3,005 GBP

26 data points across 16 retailers

18 retailers£1,346 GBP to £3,005 GBP

A
Cheapest Retailer
-
£1,346 GBP
HK$14,000 HKD
A
Retailer 2
-
£1,385 GBP
$1,844 USD
View
A
Retailer 3
-
£1,427 GBP
$1,900 USD
View
Final sale: no returns
A
Retailer 4
-
£1,497 GBP
$1,994 USD
View
A
Retailer 5
-
£1,569 GBP
$2,090 USD
View
A
Retailer 6
-
£1,608 GBP
€2,039 EUR
View
A
Retailer 7
-
£1,612 GBP
$2,146 USD
View
A
Retailer 8
-
£1,690 GBP
$2,250 USD
View
A
Retailer 9
-
£1,713 GBP
$2,281 USD
View
A
Retailer 10
-
£1,753 GBP
$2,334 USD
View
B+
Retailer 11
-
£1,872 GBP
View
B+
Retailer 12
-
£2,015 GBP
A$4,128 AUD
View
Retailer 13
-
£2,059 GBP
ZAR 44,300 ZAR
View
Price last confirmed 8 days ago
Retailer 14
-
£2,224 GBP
A$4,557 AUD
View
Price last confirmed 22 days ago
B+
Retailer 15
-
£2,576 GBP
$3,430 USD
View
B
Retailer 16
-
£2,790 GBP
$3,715 USD
View
B
Retailer 17
-
£3,005 GBP
View
Most Expensive
NZ Jewellers
8ccb3972-be85-4afd-ae39-ad182e5c713a · Sep 25
£3,856 GBP
$5,135 USD
View
Price last confirmed 34 days ago
17 more retailers have this diamond
Prices start from £1,346 GBPSave up to £1,659 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
£1,346 GBP