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Heart|Natural|GIA

0.77ct J SI2 Heart Natural Diamond

ID • J/SI2 • GIA 1543590103

Certificate GIA 1543590103

Diamond specifications and retailer prices

From £380 GBP
As of November 6, 2026
Save £603 GBP (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £982 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.77ct natural heart diamond

This 0.77ct natural heart sits in the just-under-one-carat band, graded J 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 1543590103. Listed at 8 retailers as of November 4, 2026, with prices from £380 to £982, a £603 spread on the same certified stone. MOH London lists it at £982. 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

0.77
Carat
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1543590103
Dimensions6.27 × 5.61 × 3.71 mm
L/W Ratio1.12
Girdle conditionFaceted
Key to symbols
Twinning Wisp, Feather
Top View
6.27 mm5.61 mm0.77 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1543590103
Side View
Table 57.0%CrownGirdle: MED-VTKPavilionCulet: 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 6
Current: £982 GBP|Low: £337 GBP|High: £1,239 GBP|Avg: £638 GBP|-2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8£380 GBP
Retailer 2£396 GBP
Retailer 7£626 GBP
Retailer 5£632 GBP
Retailer 4£634 GBP
Retailer 6£635 GBP
Retailer 3£758 GBP
MOH London£982 GBP

41 data points across 8 retailers

8 retailers£380 GBP to £982 GBP

A
Cheapest Retailer
-
£380 GBP
Final sale: no returns
A
Retailer 2
-
£396 GBP
View
B+
Retailer 3
-
£626 GBP
View
B+
Retailer 4
-
£632 GBP
View
A
Retailer 5
-
£634 GBP
View
B+
Retailer 6
-
£635 GBP
View
B+
Retailer 7
-
£758 GBP
View
Most Expensive
B+
MOH London
2FA767FC7 · Nov 4
£982 GBP
View
7 more retailers have this diamond
Prices start from £380 GBPSave up to £603 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
0.77ct Heart
£380 GBP