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Heart|Natural|GIA

1.02ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 3545519851

Certificate GIA 3545519851

Diamond specifications and retailer prices

From £1,233 GBP
As of November 6, 2026
Save £2,071 GBP (63%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,304 GBP at NZ Jewellers · As of November 5, 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 F 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 3545519851. Listed at 20 retailers as of November 5, 2026, with prices from £1,233 to £3,304, a £2,071 spread on the same certified stone. NZ Jewellers lists it at £3,304. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle37.9°
OriginNatural
Grading LabGIA
CertificateGIA 3545519851
Dimensions6.14 × 6.90 × 4.06 mm
L/W Ratio1.12
Top View
6.14 mm6.90 mm1.02 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3545519851
Side View
Table 59.0%CrownGirdle: MED-THKPavilion 37.9°Culet: NoneDepth 58.9%

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: Nov 6
Current: £3,304 GBP|Low: £1,224 GBP|High: £3,378 GBP|Avg: £1,810 GBP|-2.2%
NZ Jewellers
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
Retailer 18
Retailer 19
November 6, 2026
Retailer 8£1,233 GBP
Retailer 10£1,251 GBP
Retailer 18£1,322 GBP
Retailer 4£1,370 GBP
Retailer 12£1,431 GBP
Retailer 3£1,461 GBP
Retailer 15£1,464 GBP
Retailer 11£1,497 GBP
Retailer 7£1,524 GBP
Retailer 13£1,533 GBP
Retailer 17£1,555 GBP
Retailer 6£1,647 GBP
Retailer 14£1,717 GBP
Retailer 2£1,732 GBP
Retailer 16£1,929 GBP
Retailer 5£2,531 GBP
Retailer 9£2,592 GBP
Retailer 19£2,781 GBP
NZ Jewellers£3,304 GBP

19 data points across 19 retailers

20 retailers£1,233 GBP to £3,304 GBP

A
Cheapest Retailer
-
£1,233 GBP
A
Retailer 2
-
£1,251 GBP
View
A
Retailer 3
-
£1,322 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,370 GBP
View
A
Retailer 5
-
£1,431 GBP
View
A
Retailer 6
-
£1,461 GBP
View
A
Retailer 7
-
£1,464 GBP
View
A
Retailer 8
-
£1,497 GBP
View
A
Retailer 9
-
£1,524 GBP
View
A
Retailer 10
-
£1,533 GBP
View
A
Retailer 11
-
£1,555 GBP
View
B+
Retailer 12
-
£1,647 GBP
View
B+
Retailer 13
-
£1,717 GBP
View
B+
Retailer 14
-
£1,732 GBP
View
B+
Retailer 15
-
£1,929 GBP
View
Retailer 16
-
£2,043 GBP
View
Price last confirmed 32 days ago
B
Retailer 17
-
£2,531 GBP
View
B
Retailer 18
-
£2,592 GBP
View
B
Retailer 19
-
£2,781 GBP
View
Most Expensive
B
NZ Jewellers
403bec99-246d-4ded-b7e2-18fc349f5c48 · Nov 5
£3,304 GBP
$4,423 USD
View
19 more retailers have this diamond
Prices start from £1,233 GBPSave up to £2,071 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
£1,233 GBP