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Heart|Natural|GIA

1.13ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 1565272805

Certificate GIA 1565272805

Diamond specifications and retailer prices

From £1,386 GBP
As of November 6, 2026
Save £2,275 GBP (62%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £3,661 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.13ct natural heart diamond

This 1.13ct natural heart sits in the classic one-carat band, graded J 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 1565272805. Listed at 4 retailers as of November 5, 2026, with prices from £1,386 to £3,661, a £2,275 spread on the same certified stone. NZ Jewellers lists it at £3,661. 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

1.13
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565272805
Dimensions6.50 × 7.26 × 3.99 mm
L/W Ratio1.12
Key to symbols
Twinning Wisp, Feather, Cloud
Top View
6.50 mm7.26 mm1.13 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565272805
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 55.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,661 GBP|Low: £1,189 GBP|High: £3,661 GBP|Avg: £2,067 GBP|+10.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 4, 2026
Retailer 5£1,359 GBP
Retailer 3£1,386 GBP
Retailer 4£1,535 GBP
Retailer 2£2,622 GBP
NZ Jewellers£3,661 GBP

23 data points across 5 retailers

4 retailers£1,386 GBP to £3,661 GBP

B+
Cheapest Retailer
-
£1,386 GBP
Final sale: no returns
B+
Retailer 2
-
£1,535 GBP
View
B
Retailer 3
-
£2,622 GBP
View
Most Expensive
C
NZ Jewellers
2819c9e1-e3e6-4cb8-9821-e12a4ddb53cc · Nov 5
£3,661 GBP
$4,900 USD
View
3 more retailers have this diamond
Prices start from £1,386 GBPSave up to £2,275 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.

B+
1.13ct Heart
£1,386 GBP