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Heart|Natural|GIA

1.00ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 2394796466

Certificate GIA 2394796466

Diamond specifications and retailer prices

From £973 GBP
As of November 6, 2026
Save £2,368 GBP (71%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,341 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2394796466. Listed at 17 retailers as of November 5, 2026, with prices from £973 to £3,341, a £2,368 spread on the same certified stone. NZ Jewellers lists it at £3,341. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2394796466
Dimensions6.26 × 6.78 × 3.71 mm
L/W Ratio1.08
Top View
6.26 mm6.78 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2394796466
Side View
Table 62.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 54.7%

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: £973 GBP|Low: £935 GBP|High: £2,429 GBP|Avg: £1,445 GBP|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1£973 GBP
Retailer 6£994 GBP
Retailer 7£1,264 GBP
Retailer 5£1,316 GBP
Retailer 8£1,433 GBP
Retailer 3£1,520 GBP
Retailer 2£1,860 GBP
Retailer 4£2,399 GBP

40 data points across 8 retailers

17 retailers£973 GBP to £3,341 GBP

A
Cheapest Retailer
-
£973 GBP
A
Retailer 2
-
£994 GBP
View
A
Retailer 3
-
£1,201 GBP
View
B+
Retailer 4
-
£1,264 GBP
View
Final sale: no returns
B+
Retailer 5
-
£1,316 GBP
View
B+
Retailer 6
-
£1,349 GBP
View
Retailer 7
-
£1,369 GBP
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£1,369 GBP
View
B+
Retailer 9
-
£1,380 GBP
View
B+
Retailer 10
-
£1,433 GBP
View
B+
Retailer 11
-
£1,472 GBP
View
B+
Retailer 12
-
£1,520 GBP
View
B+
Retailer 13
-
£1,580 GBP
View
B+
Retailer 14
-
£1,860 GBP
View
B
Retailer 15
-
£2,399 GBP
View
B
Retailer 16
-
£2,822 GBP
View
Most Expensive
B
NZ Jewellers
b54185a5-f72c-40bd-a010-ea911726de7d · Nov 5
£3,341 GBP
$4,472 USD
View
16 more retailers have this diamond
Prices start from £973 GBPSave up to £2,368 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
£973 GBP