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Heart|Natural|GIA

0.73ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 6535730660

Certificate GIA 6535730660

Diamond specifications and retailer prices

From £385 GBP
₹49,143 INR
As of October 24, 2026
10 retailers carry this diamond
Most expensive: £1,697 GBP at NZ Jewellers · As of September 27, 2026
View at NZ Jewellers

About this 0.73ct natural heart diamond

This 0.73ct 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 6535730660. Listed at 10 retailers as of September 27, 2026. 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

0.73
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6535730660
Dimensions5.32 × 6.06 × 3.64 mm
L/W Ratio1.14
Top View
5.32 mm6.06 mm0.73 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6535730660
Side View
Table 59.0%CrownGirdle: STK-XTKPavilionCulet: NoneDepth 60.0%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 24
Current: £1,638 GBP|Low: £372 GBP|High: £1,687 GBP|Avg: £722 GBP|-2.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 24, 2026
Retailer 2£385 GBP
Retailer 3£439 GBP
Retailer 11£482 GBP
Retailer 7£522 GBP
Retailer 10£543 GBP
Retailer 9£543 GBP
Retailer 6£605 GBP
Retailer 12£646 GBP
Retailer 5£659 GBP
Retailer 4£804 GBP
Retailer 8£1,213 GBP
NZ Jewellers£1,638 GBP

26 data points across 12 retailers

10 retailers£385 GBP to £1,697 GBP

Retailer 1
-
£385 GBP
₹49,143 INR
Price last confirmed 8 days ago
Retailer 2
-
£439 GBP
HK$4,600 HKD
View
Price last confirmed 8 days ago
Retailer 3
-
£522 GBP
$700 USD
View
Price last confirmed 10 days ago
Retailer 4
-
£541 GBP
$725 USD
View
Price last confirmed 35 days ago
Retailer 5
-
£543 GBP
$727 USD
View
Price last confirmed 10 days ago
Retailer 6
-
£543 GBP
SGD 983 SGD
View
Price last confirmed 10 days ago
Retailer 7
-
£804 GBP
A$1,658 AUD
View
Price last confirmed 29 days ago
Retailer 8
-
£1,213 GBP
View
Price last confirmed 12 days ago
Retailer 9
-
£1,638 GBP
$2,195 USD
View
Price under review
Most Expensive
NZ Jewellers
13254521-fbf5-4425-a288-7126ce49d559 · Sep 27
£1,697 GBP
$2,274 USD
View
Price under review
9 more retailers have this diamond

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.

0.73ct Heart
£385 GBP