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Heart|Natural|GIA

1.00ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 1505916976

Certificate GIA 1505916976

Diamond specifications and retailer prices

From £1,030 GBP
As of November 4, 2026
Save £3,087 GBP (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £4,117 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1505916976. Listed at 13 retailers as of November 4, 2026, with prices from £1,030 to £4,117, a £3,087 spread on the same certified stone. NZ Jewellers lists it at £4,117. 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

1.00
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1505916976
Dimensions6.91 × 5.66 × 3.49 mm
L/W Ratio1.22
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Indented Natural, Needle, Natural
Top View
6.91 mm5.66 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1505916976
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 61.6%

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: £4,117 GBP|Low: £1,030 GBP|High: £4,117 GBP|Avg: £1,426 GBP
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
November 6, 2026
Retailer 4£1,030 GBP
Retailer 10£1,100 GBP
Retailer 9£1,144 GBP
Retailer 12£1,155 GBP
Retailer 8£1,244 GBP
Retailer 11£1,270 GBP
Retailer 3£1,296 GBP
Retailer 5£1,529 GBP
Retailer 7£1,784 GBP
Retailer 6£2,058 GBP
Retailer 13£2,182 GBP
Retailer 2£2,336 GBP
NZ Jewellers£4,117 GBP

42 data points across 13 retailers

13 retailers£1,030 GBP to £4,117 GBP

A
Cheapest Retailer
-
£1,030 GBP
Final sale: no returns
A
Retailer 2
-
£1,100 GBP
View
A
Retailer 3
-
£1,144 GBP
View
A
Retailer 4
-
£1,155 GBP
View
A
Retailer 5
-
£1,244 GBP
View
A
Retailer 6
-
£1,270 GBP
View
A
Retailer 7
-
£1,296 GBP
View
A
Retailer 8
-
£1,529 GBP
View
B+
Retailer 9
-
£1,784 GBP
View
B+
Retailer 10
-
£2,058 GBP
View
B+
Retailer 11
-
£2,182 GBP
View
B+
Retailer 12
-
£2,336 GBP
View
Most Expensive
B
NZ Jewellers
27c88de2-f2f9-47e6-80c2-7de89cd4042a · Nov 5
£4,117 GBP
$5,511 USD
View
12 more retailers have this diamond
Prices start from £1,030 GBPSave up to £3,087 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
1.00ct Heart
£1,030 GBP