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Heart|Natural|GIA

0.55ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 1517557910

Certificate GIA 1517557910

Diamond specifications and retailer prices

From £373 GBP
As of November 4, 2026
Save £643 GBP (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,016 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 0.55ct natural heart diamond

This 0.55ct natural heart sits in the half to three-quarter 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 1517557910. Listed at 6 retailers as of November 4, 2026, with prices from £373 to £1,016, a £643 spread on the same certified stone. Do Amore Diamonds lists it at £1,016. 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

0.55
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1517557910
Dimensions5.70 × 5.03 × 2.98 mm
L/W Ratio1.13
Culet sizeNone
Key to symbols
Crystal
Top View
5.70 mm5.03 mm0.55 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1517557910
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,016 GBP|Low: £334 GBP|High: £1,143 GBP|Avg: £550 GBP|-11.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3£373 GBP
Retailer 6£403 GBP
Retailer 5£439 GBP
Retailer 4£451 GBP
Retailer 2£499 GBP
Retailer 7£579 GBP
Do Amore Diamonds£1,016 GBP

42 data points across 7 retailers

6 retailers£373 GBP to £1,016 GBP

A
Cheapest Retailer
-
£373 GBP
Final sale: no returns
A
Retailer 2
-
£403 GBP
View
A
Retailer 3
-
£439 GBP
View
A
Retailer 4
-
£451 GBP
View
A
Retailer 5
-
£499 GBP
View
Most Expensive
B
Do Amore Diamonds
12-100761169540 · Nov 6
£1,016 GBP
$1,360 USD
View
5 more retailers have this diamond
Prices start from £373 GBPSave up to £643 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
0.55ct Heart
£373 GBP