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Heart|Natural|GIA

1.02ct G SI1 Heart Natural Diamond

ID • G/SI1 • GIA 1565170555

Certificate GIA 1565170555

Diamond specifications and retailer prices

From £1,267 GBP
As of November 4, 2026
Save £2,162 GBP (63%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,429 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 1565170555. Listed at 18 retailers as of November 3, 2026, with prices from £1,267 to £3,429, a £2,162 spread on the same certified stone. NZ Jewellers lists it at £3,429. 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
SymmetryExcellent
FluorescenceNone
Crown angle36.97°
Pavilion angle44.4°
OriginNatural
Grading LabGIA
CertificateGIA 1565170555
Dimensions6.85 × 5.87 × 4.27 mm
L/W Ratio1.17
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.85 mm5.87 mm1.02 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565170555
Side View
Table 60.0%Crown 36.97°Girdle: Slightly ThickPavilion 44.4°Culet: NoneDepth 62.4%

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: £3,429 GBP|Low: £1,213 GBP|High: £3,498 GBP|Avg: £1,739 GBP|-2.0%
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
November 5, 2026
Retailer 17£1,267 GBP
Retailer 5£1,281 GBP
Retailer 8£1,297 GBP
Retailer 12£1,368 GBP
Retailer 4£1,401 GBP
Retailer 15£1,406 GBP
Retailer 9£1,434 GBP
Retailer 13£1,441 GBP
Retailer 16£1,470 GBP
Retailer 18£1,507 GBP
Retailer 2£1,518 GBP
Retailer 11£1,526 GBP
Retailer 6£1,622 GBP
Retailer 7£1,727 GBP
Retailer 10£1,870 GBP
Retailer 14£1,912 GBP
Retailer 3£2,462 GBP
NZ Jewellers£3,429 GBP

32 data points across 18 retailers

18 retailers£1,267 GBP to £3,429 GBP

A
Cheapest Retailer
-
£1,267 GBP
A
Retailer 2
-
£1,281 GBP
View
A
Retailer 3
-
£1,297 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,368 GBP
View
A
Retailer 5
-
£1,401 GBP
View
A
Retailer 6
-
£1,406 GBP
View
A
Retailer 7
-
£1,434 GBP
View
B+
Retailer 8
-
£1,441 GBP
View
A
Retailer 9
-
£1,470 GBP
View
B+
Retailer 10
-
£1,507 GBP
View
B+
Retailer 11
-
£1,518 GBP
View
A
Retailer 12
-
£1,526 GBP
View
B+
Retailer 13
-
£1,622 GBP
View
B+
Retailer 14
-
£1,727 GBP
View
Retailer 15
-
£1,870 GBP
View
Price last confirmed 31 days ago
B+
Retailer 16
-
£1,912 GBP
View
B
Retailer 17
-
£2,462 GBP
View
Most Expensive
B
NZ Jewellers
16c5df02-bb53-4ec3-8769-84b34e6c4b69 · Nov 3
£3,429 GBP
$4,629 USD
View
17 more retailers have this diamond
Prices start from £1,267 GBPSave up to £2,162 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