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Heart|Natural|GIA

1.02ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 7548815937

Certificate GIA 7548815937

Diamond specifications and retailer prices

From £1,375 GBP
HK$14,300 HKD
As of October 29, 2026
Save £1,741 GBP (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,934 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 7548815937. Listed at 17 retailers as of October 29, 2026, with a 127% 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 angle40.3°
OriginNatural
Grading LabGIA
CertificateGIA 7548815937
Dimensions6.13 × 7.00 × 4.18 mm
L/W Ratio1.14
Girdle conditionFaceted
Top View
6.13 mm7.00 mm1.02 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7548815937
Side View
Table 60.0%CrownGirdle: STK-THKPavilion 40.3°Culet: NoneDepth 59.8%

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: £1,941 GBP|Low: £1,375 GBP|High: £3,337 GBP|Avg: £1,921 GBP|-1.5%
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
October 30, 2026
Retailer 14£1,375 GBP
Retailer 6£1,408 GBP
Retailer 2£1,479 GBP
Retailer 12£1,528 GBP
Retailer 3£1,618 GBP
Retailer 8£1,637 GBP
Retailer 13£1,644 GBP
Retailer 4£1,727 GBP
Retailer 10£1,746 GBP
Retailer 9£1,817 GBP
Retailer 1£1,941 GBP
Retailer 11£2,135 GBP
Retailer 7£2,271 GBP
Retailer 15£2,844 GBP
Retailer 5£3,116 GBP

28 data points across 15 retailers

17 retailers£1,375 GBP to £3,116 GBP

A
Cheapest Retailer
-
£1,375 GBP
HK$14,300 HKD
A
Retailer 2
-
£1,408 GBP
$1,875 USD
View
A
Retailer 3
-
£1,479 GBP
$1,969 USD
View
Final sale: no returns
A
Retailer 4
-
£1,528 GBP
$2,035 USD
View
A
Retailer 5
-
£1,618 GBP
$2,155 USD
View
A
Retailer 6
-
£1,637 GBP
€2,076 EUR
View
A
Retailer 7
-
£1,644 GBP
$2,189 USD
View
A
Retailer 8
-
£1,727 GBP
$2,300 USD
View
B+
Retailer 9
-
£1,746 GBP
$2,325 USD
View
B+
Retailer 10
-
£1,817 GBP
$2,420 USD
View
B+
Retailer 11
-
£1,941 GBP
View
B+
Retailer 12
-
£2,054 GBP
A$4,208 AUD
View
Retailer 13
-
£2,135 GBP
ZAR 45,928 ZAR
View
Price last confirmed 8 days ago
Retailer 14
-
£2,271 GBP
A$4,653 AUD
View
Price last confirmed 22 days ago
B
Retailer 15
-
£2,844 GBP
$3,787 USD
View
B
Retailer 16
-
£3,116 GBP
View
Most Expensive
NZ Jewellers
e9419735-737f-427f-bde2-2c7b0f1c6bc1 · Sep 25
£3,934 GBP
$5,239 USD
View
Price last confirmed 34 days ago
16 more retailers have this diamond
Prices start from £1,375 GBPSave up to £1,741 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
£1,375 GBP