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Heart|Natural|GIA

0.70ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 5543803452

Certificate GIA 5543803452

Diamond specifications and retailer prices

From £439 GBP
HK$4,600 HKD
As of November 1, 2026
Save £752 GBP (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,191 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.7ct natural heart diamond

This 0.7ct natural heart sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5543803452. Listed at 15 retailers as of October 29, 2026, with prices from £439 to £1,191, a £752 spread on the same certified stone. MOH London lists it at £1,191. 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

0.70
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5543803452
Dimensions5.48 × 6.07 × 3.61 mm
L/W Ratio1.11
Top View
5.48 mm6.07 mm0.70 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 5543803452
Side View
Table 58.0%CrownGirdle: STK-VTKPavilion 40.8°Culet: NoneDepth 59.4%

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 1
Current: £1,191 GBP|Low: £439 GBP|High: £1,245 GBP|Avg: £763 GBP|-2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 7£439 GBP
Retailer 9£567 GBP
Retailer 8£578 GBP
Retailer 10£579 GBP
Retailer 12£587 GBP
Retailer 4£635 GBP
Retailer 6£642 GBP
Retailer 3£769 GBP
Retailer 2£825 GBP
Retailer 13£923 GBP
Retailer 11£966 GBP
Retailer 5£990 GBP
MOH London£1,191 GBP

30 data points across 13 retailers

15 retailers£439 GBP to £1,191 GBP

A
Cheapest Retailer
-
£439 GBP
HK$4,600 HKD
B+
Retailer 2
-
£567 GBP
$760 USD
View
B+
Retailer 3
-
£578 GBP
€738 EUR
View
B+
Retailer 4
-
£579 GBP
$776 USD
View
Final sale: no returns
Retailer 5
-
£587 GBP
$787 USD
View
Price last confirmed 11 days ago
Retailer 6
-
£635 GBP
SGD 1,149 SGD
View
Price last confirmed 10 days ago
B+
Retailer 7
-
£642 GBP
View
B
Retailer 8
-
£769 GBP
$1,030 USD
View
B
Retailer 9
-
£825 GBP
€1,053 EUR
View
B
Retailer 10
-
£892 GBP
A$1,838 AUD
View
Retailer 11
-
£923 GBP
$1,236 USD
View
Price last confirmed 9 days ago
B
Retailer 12
-
£966 GBP
ZAR 20,910 ZAR
View
Retailer 13
-
£990 GBP
A$2,040 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
81AC73595 · Oct 29
£1,191 GBP
View
13 more retailers have this diamond
Prices start from £439 GBPSave up to £752 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
0.70ct Heart
£439 GBP