Round|Natural|GIA

0.73ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7451364473

Certificate GIA 7451364473

Diamond specifications and retailer prices

From £862 GBP
As of November 4, 2026
Save £1,334 GBP (61%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,514 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.73ct natural round diamond

This 0.73ct natural round 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 and certified by GIA 7451364473. Listed at 14 retailers as of November 4, 2026, with a 155% 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

0.73
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7451364473
Dimensions5.77 × 5.75 × 3.58 mm
L/W Ratio1.00
Star length45%
Lower girdle80%
Top View
5.77 mm5.75 mm0.73 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 7451364473
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £2,514 GBP|Low: £718 GBP|High: £2,514 GBP|Avg: £1,345 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6£862 GBP
Retailer 5£878 GBP
Retailer 9£934 GBP
Retailer 8£970 GBP
Retailer 2£1,130 GBP
Retailer 7£1,345 GBP
Retailer 3£1,425 GBP
Retailer 4£1,882 GBP
NZ Jewellers£2,514 GBP

42 data points across 9 retailers

14 retailers£862 GBP to £2,197 GBP

B+
Cheapest Retailer
-
£862 GBP
Final sale: no returns
B+
Retailer 2
-
£878 GBP
View
B+
Retailer 3
-
£894 GBP
View
B+
Retailer 4
-
£897 GBP
View
Retailer 5
-
£934 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£934 GBP
View
B
Retailer 7
-
£970 GBP
View
B
Retailer 8
-
£1,077 GBP
View
B
Retailer 9
-
£1,130 GBP
View
Retailer 10
-
£1,345 GBP
View
Price last confirmed 32 days ago
B
Retailer 11
-
£1,425 GBP
View
B
Retailer 12
-
£1,882 GBP
View
B
Retailer 13
-
£2,197 GBP
View
Most Expensive
NZ Jewellers
ff5b0118-fbfe-47ed-bccf-7ab3cf6ca18e · Nov 5
£2,514 GBP
$3,365 USD
View
Price under review
13 more retailers have this diamond
Prices start from £862 GBPSave up to £1,334 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+
0.73ct Round
£862 GBP