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Heart|Natural|GIA

0.64ct H SI2 Heart Natural Diamond

H/SI2 • GIA 1182708148

Certificate GIA 1182708148

Diamond specifications and retailer prices

From £664 GBP
As of November 6, 2026
Save £134 GBP (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £798 GBP at Belgium Diamonds · As of November 5, 2026
View at Belgium Diamonds

About this 0.64ct natural heart diamond

This 0.64ct natural heart sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included) and certified by GIA 1182708148. Listed at 2 retailers as of November 5, 2026, with prices from £664 to £798, a £134 spread on the same certified stone. Belgium Diamonds lists it at £798. 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

0.64
Carat
H
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1182708148
Dimensions5.82 × 6.09 × 3.08 mm
L/W Ratio1.05
Top View
5.82 mm6.09 mm0.64 ctH / SI2
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1182708148
Side View
Table 69.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 50.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £798 GBP|Low: £649 GBP|High: £798 GBP|Avg: £729 GBP
Belgium Diamonds
Retailer 2
November 6, 2026
Retailer 2£664 GBP
Belgium Diamonds£798 GBP

12 data points across 2 retailers

2 retailers£664 GBP to £798 GBP

B
Cheapest Retailer
-
£664 GBP
Most Expensive
C
Belgium Diamonds
377327147 · Nov 5
£798 GBP
€1,017 EUR
View
1 more retailer has this diamond
Prices start from £664 GBPSave up to £134 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
0.64ct Heart
£664 GBP