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Heart|Natural|GIA

1.03ct K SI1 Heart Natural Diamond

GD • K/SI1 • GIA 5182242000

Certificate GIA 5182242000

Diamond specifications and retailer prices

From £994 GBP
As of November 5, 2026
Save £780 GBP (44%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,773 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 5182242000. Listed at 2 retailers as of November 4, 2026, with prices from £994 to £1,773, a £780 spread on the same certified stone. MOH London lists it at £1,773. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.03
Carat
K
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5182242000
Dimensions6.93 × 7.42 × 3.57 mm
L/W Ratio1.07
Culet sizeNone
Top View
6.93 mm7.42 mm1.03 ctK / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5182242000
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 48.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £1,773 GBP|Low: £994 GBP|High: £1,778 GBP|Avg: £1,463 GBP|-0.3%
MOH London
Retailer 2
November 4, 2026
Retailer 2£994 GBP
MOH London£1,773 GBP

3 data points across 2 retailers

2 retailers£994 GBP to £1,773 GBP

B+
Cheapest Retailer
-
£994 GBP
Most Expensive
B
MOH London
DC4B345B0 · Nov 4
£1,773 GBP
View
1 more retailer has this diamond
Prices start from £994 GBPSave up to £780 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.

B+
1.03ct Heart
£994 GBP