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Round|Natural|GIA

0.73ct H I1 Round Natural Diamond

EX • H/I1 • GIA 1428082493

Certificate GIA 1428082493

Diamond specifications and retailer prices

From £857 GBP
$1,150 USD
As of November 1, 2026
Save £610 GBP (42%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,580 GBP at NZ Jewellers · As of November 2, 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 1428082493. Listed at 12 retailers as of November 1, 2026, with a 71% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.73
Carat
H
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1428082493
Dimensions5.79 × 5.76 × 3.57 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Culet sizeNone
Top View
5.79 mm5.76 mm0.73 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1428082493
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.9%

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 1
Current: £2,580 GBP|Low: £857 GBP|High: £2,580 GBP|Avg: £1,210 GBP
NZ Jewellers
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 1, 2026
Retailer 6£857 GBP
Retailer 5£888 GBP
Retailer 8£914 GBP
Retailer 9£958 GBP
Retailer 11£958 GBP
Retailer 7£995 GBP
Retailer 10£1,106 GBP
Retailer 3£1,133 GBP
Retailer 4£1,133 GBP
Retailer 13£1,170 GBP
Retailer 2£1,467 GBP
Retailer 12£1,540 GBP
NZ Jewellers£2,580 GBP

21 data points across 13 retailers

12 retailers£857 GBP to £1,467 GBP

B+
Cheapest Retailer
-
£857 GBP
$1,150 USD
B+
Retailer 2
-
£888 GBP
$1,191 USD
View
B
Retailer 3
-
£914 GBP
$1,227 USD
View
B
Retailer 4
-
£958 GBP
$1,286 USD
View
B
Retailer 5
-
£958 GBP
$1,286 USD
View
B
Retailer 6
-
£995 GBP
$1,335 USD
View
B
Retailer 7
-
£1,106 GBP
$1,484 USD
View
B
Retailer 8
-
£1,133 GBP
$1,520 USD
View
B
Retailer 9
-
£1,133 GBP
$1,520 USD
View
B
Retailer 10
-
£1,170 GBP
$1,570 USD
View
B
Retailer 11
-
£1,467 GBP
€1,875 EUR
View
Most Expensive
NZ Jewellers
d4247145-dbe3-48bb-9d28-3dfffaf6cb56 · Nov 2
£2,580 GBP
$3,462 USD
View
Price under review
11 more retailers have this diamond
Prices start from £857 GBPSave up to £610 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
£857 GBP