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Heart|Natural|GIA

1.03ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 6552616451

Certificate GIA 6552616451

Diamond specifications and retailer prices

From £1,138 GBP
As of November 6, 2026
Save £1,531 GBP (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,669 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.03ct natural heart diamond

This 1.03ct 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 6552616451. Listed at 7 retailers as of November 4, 2026, with prices from £1,138 to £2,669, a £1,531 spread on the same certified stone. MOH London lists it at £2,669. 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

1.03
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552616451
Dimensions6.11 × 6.87 × 4.25 mm
L/W Ratio1.12
Key to symbols
Crystal, Feather, Cloud, Cavity, Indented Natural
Top View
6.11 mm6.87 mm1.03 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552616451
Side View
Table 56.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.9%

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: £2,669 GBP|Low: £1,138 GBP|High: £2,709 GBP|Avg: £1,604 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2£1,138 GBP
Retailer 5£1,207 GBP
Retailer 7£1,380 GBP
Retailer 6£1,467 GBP
Retailer 4£1,528 GBP
Retailer 3£1,659 GBP
MOH London£2,669 GBP

46 data points across 7 retailers

7 retailers£1,138 GBP to £2,669 GBP

A
Cheapest Retailer
-
£1,138 GBP
A
Retailer 2
-
£1,380 GBP
View
A
Retailer 3
-
£1,467 GBP
View
Retailer 4
-
£1,528 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£1,631 GBP
View
B+
Retailer 6
-
£1,659 GBP
View
Most Expensive
B
MOH London
F9A0AAE15 · Nov 4
£2,669 GBP
View
6 more retailers have this diamond
Prices start from £1,138 GBPSave up to £1,531 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
1.03ct Heart
£1,138 GBP