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Heart|Natural|GIA

1.02ct G SI1 Heart Natural Diamond

ID • G/SI1 • GIA 6532866139

Certificate GIA 6532866139

Diamond specifications and retailer prices

From £1,267 GBP
As of November 4, 2026
Save £2,321 GBP (65%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,587 GBP at NZ Jewellers · As of November 3, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6532866139. Listed at 20 retailers as of November 3, 2026, with prices from £1,267 to £3,587, a £2,321 spread on the same certified stone. NZ Jewellers lists it at £3,587. 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
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.1°
Pavilion angle40.7°
OriginNatural
Grading LabGIA
CertificateGIA 6532866139
Dimensions6.94 × 6.00 × 4.13 mm
L/W Ratio1.16
Top View
6.94 mm6.00 mm1.02 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6532866139
Side View
Table 57.0%Crown 36.1°Girdle: MED-THKPavilion 40.7°Culet: NoneDepth 59.5%

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 4
Current: £3,587 GBP|Low: £1,244 GBP|High: £3,587 GBP|Avg: £1,751 GBP|+13.3%
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
November 5, 2026
Retailer 11£1,267 GBP
Retailer 10£1,299 GBP
Retailer 3£1,328 GBP
Retailer 15£1,357 GBP
Retailer 7£1,471 GBP
Retailer 16£1,471 GBP
Retailer 14£1,500 GBP
Retailer 13£1,539 GBP
Retailer 6£1,548 GBP
Retailer 5£1,573 GBP
Retailer 2£1,597 GBP
Retailer 4£1,697 GBP
Retailer 12£1,807 GBP
Retailer 8£1,867 GBP
Retailer 9£2,570 GBP
NZ Jewellers£3,587 GBP

45 data points across 16 retailers

20 retailers£1,267 GBP to £3,587 GBP

A
Cheapest Retailer
-
£1,267 GBP
A
Retailer 2
-
£1,299 GBP
View
A
Retailer 3
-
£1,328 GBP
View
A
Retailer 4
-
£1,357 GBP
View
Final sale: no returns
B+
Retailer 5
-
£1,471 GBP
View
B+
Retailer 6
-
£1,471 GBP
View
B+
Retailer 7
-
£1,500 GBP
View
Retailer 8
-
£1,514 GBP
View
Price last confirmed 38 days ago
B+
Retailer 9
-
£1,539 GBP
View
B+
Retailer 10
-
£1,548 GBP
View
B+
Retailer 11
-
£1,573 GBP
View
B+
Retailer 12
-
£1,597 GBP
View
B+
Retailer 13
-
£1,697 GBP
View
Retailer 14
-
£1,747 GBP
View
Price last confirmed 60 days ago
Retailer 15
-
£1,747 GBP
View
Price last confirmed 37 days ago
B+
Retailer 16
-
£1,807 GBP
View
Retailer 17
-
£1,867 GBP
View
Price last confirmed 31 days ago
B
Retailer 18
-
£2,570 GBP
View
Retailer 19
-
£3,166 GBP
View
Price last confirmed 38 days ago
Most Expensive
B
NZ Jewellers
65793ecc-1743-48b1-b5a0-d1e6108fb5e5 · Nov 3
£3,587 GBP
$4,843 USD
View
19 more retailers have this diamond
Prices start from £1,267 GBPSave up to £2,321 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
£1,267 GBP