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Heart|Natural|GIA

1.04ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 6561678464

Certificate GIA 6561678464

Diamond specifications and retailer prices

From £1,523 GBP
As of November 5, 2026
Save £301 GBP (17%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,824 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.04ct natural heart diamond

This 1.04ct 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 6561678464. Listed at 4 retailers as of November 5, 2026, with prices from £1,523 to £1,824, a £301 spread on the same certified stone. Blue Nile lists it at £1,824. 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

1.04
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561678464
Dimensions6.37 × 7.08 × 4.01 mm
L/W Ratio1.11
Top View
6.37 mm7.08 mm1.04 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561678464
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 56.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £1,824 GBP|Low: £1,523 GBP|High: £1,824 GBP|Avg: £1,698 GBP
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3£1,523 GBP
Retailer 2£1,657 GBP
Retailer 4£1,748 GBP
Blue Nile£1,824 GBP

8 data points across 4 retailers

4 retailers£1,523 GBP to £1,824 GBP

A
Cheapest Retailer
-
£1,523 GBP
A
Retailer 2
-
£1,657 GBP
View
B+
Retailer 3
-
£1,748 GBP
View
Most Expensive
B+
Blue Nile
30525121 · Nov 5
£1,824 GBP
$2,441 USD
View
3 more retailers have this diamond
Prices start from £1,523 GBPSave up to £301 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
1.04ct Heart
£1,523 GBP