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Heart|Natural|GIA

3.03ct H SI1 Heart Natural Diamond

H/SI1 • GIA 2231809126

Certificate GIA 2231809126

Diamond specifications and retailer prices

From £21,218 GBP
As of November 6, 2026
Save £7,497 GBP (26%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £28,715 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 3.03ct natural heart diamond

This 3.03ct natural heart sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included) and certified by GIA 2231809126. Listed at 6 retailers as of November 6, 2026, with prices from £21,218 to £28,715, a £7,497 spread on the same certified stone. Yorxs lists it at £28,715. 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

3.03
Carat
H
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2231809126
Dimensions9.66 × 10.02 × 5.21 mm
L/W Ratio1.04
Top View
9.66 mm10.02 mm3.03 ctH / SI1
OriginNatural
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2231809126
Side View
Table 64.0%CrownGirdle: THN-VTKPavilionCulet: Very SmallDepth 51.9%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £22,011 GBP|Low: £21,009 GBP|High: £28,780 GBP|Avg: £24,013 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 6, 2026
Retailer 3£21,218 GBP
Retailer 1£22,011 GBP
Retailer 2£23,955 GBP
Yorxs£28,715 GBP

40 data points across 4 retailers

6 retailers£21,218 GBP to £28,715 GBP

B
Cheapest Retailer
-
£21,218 GBP
B
Retailer 2
-
£22,011 GBP
View
B
Retailer 3
-
£22,523 GBP
View
B
Retailer 4
-
£22,805 GBP
View
B
Retailer 5
-
£23,955 GBP
View
Final sale: no returns
Most Expensive
C
Yorxs
511971555 · Nov 6
£28,715 GBP
€36,604 EUR
View
5 more retailers have this diamond
Prices start from £21,218 GBPSave up to £7,497 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
3.03ct Heart
£21,218 GBP