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Heart|Natural|GIA

0.74ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 3555839449

Certificate GIA 3555839449

Diamond specifications and retailer prices

From £430 GBP
HK$4,500 HKD
As of November 1, 2026
Save £636 GBP (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,090 GBP at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 0.74ct natural heart diamond

This 0.74ct 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 3555839449. Listed at 14 retailers as of November 1, 2026, with a 148% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.74
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3555839449
Dimensions5.59 × 6.34 × 3.55 mm
L/W Ratio1.13
Girdle conditionFaceted
Top View
5.59 mm6.34 mm0.74 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 3555839449
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 56.0%

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: £625 GBP|Low: £430 GBP|High: £1,198 GBP|Avg: £734 GBP|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 5£430 GBP
Retailer 9£537 GBP
Retailer 8£552 GBP
Retailer 7£568 GBP
Retailer 12£577 GBP
Retailer 3£620 GBP
Retailer 1£625 GBP
Retailer 11£728 GBP
Retailer 10£900 GBP
Retailer 2£906 GBP
Retailer 4£972 GBP
Retailer 6£1,066 GBP

30 data points across 12 retailers

14 retailers£430 GBP to £1,066 GBP

A
Cheapest Retailer
-
£430 GBP
HK$4,500 HKD
B+
Retailer 2
-
£537 GBP
$720 USD
View
Final sale: no returns
B+
Retailer 3
-
£552 GBP
$740 USD
View
B+
Retailer 4
-
£568 GBP
€725 EUR
View
Retailer 5
-
£577 GBP
$773 USD
View
Price last confirmed 11 days ago
Retailer 6
-
£620 GBP
SGD 1,123 SGD
View
Price last confirmed 10 days ago
B+
Retailer 7
-
£625 GBP
View
B+
Retailer 8
-
£728 GBP
$975 USD
View
B
Retailer 9
-
£877 GBP
A$1,808 AUD
View
B
Retailer 10
-
£900 GBP
ZAR 19,476 ZAR
View
Retailer 11
-
£906 GBP
$1,214 USD
View
Price last confirmed 9 days ago
Retailer 12
-
£972 GBP
A$2,004 AUD
View
Price last confirmed 29 days ago
B
Retailer 13
-
£1,066 GBP
View
Most Expensive
NZ Jewellers
4c07c4f4-a74b-44dc-a819-811cfba25505 · Sep 25
£2,090 GBP
$2,801 USD
View
Price under review
13 more retailers have this diamond
Prices start from £430 GBPSave up to £636 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
0.74ct Heart
£430 GBP