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Heart|Natural|GIA

1.05ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 2241025670

Certificate GIA 2241025670

Diamond specifications and retailer prices

From £1,252 GBP
As of November 6, 2026
Save £2,315 GBP (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,567 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.05ct natural heart diamond

This 1.05ct natural heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2241025670. Listed at 10 retailers as of November 5, 2026, with prices from £1,252 to £3,567, a £2,315 spread on the same certified stone. NZ Jewellers lists it at £3,567. 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

1.05
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle39.23°
OriginNatural
Grading LabGIA
CertificateGIA 2241025670
Dimensions6.14 × 6.99 × 3.68 mm
L/W Ratio1.14
Key to symbols
Crystal, Needle
Top View
6.14 mm6.99 mm1.05 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2241025670
Side View
Table 58.0%CrownGirdle: STK-VTKPavilion 39.23°Culet: NoneDepth 59.9%

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: £3,567 GBP|Low: £1,252 GBP|High: £3,944 GBP|Avg: £2,165 GBP|-9.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9£1,252 GBP
Retailer 4£1,527 GBP
Retailer 8£1,590 GBP
Retailer 7£1,706 GBP
Retailer 2£1,745 GBP
Retailer 6£1,785 GBP
Retailer 10£1,927 GBP
Retailer 5£2,596 GBP
Retailer 3£2,981 GBP
NZ Jewellers£3,567 GBP

40 data points across 10 retailers

10 retailers£1,252 GBP to £3,567 GBP

A
Cheapest Retailer
-
£1,252 GBP
A
Retailer 2
-
£1,527 GBP
View
A
Retailer 3
-
£1,590 GBP
View
A
Retailer 4
-
£1,706 GBP
View
A
Retailer 5
-
£1,745 GBP
View
B+
Retailer 6
-
£1,785 GBP
View
B+
Retailer 7
-
£1,927 GBP
View
B+
Retailer 8
-
£2,596 GBP
View
B
Retailer 9
-
£2,981 GBP
View
Most Expensive
B
NZ Jewellers
cbbc0d21-a428-4991-ba5d-51ae227ac0d0 · Nov 5
£3,567 GBP
$4,775 USD
View
9 more retailers have this diamond
Prices start from £1,252 GBPSave up to £2,315 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
1.05ct Heart
£1,252 GBP