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0.73ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1525580510

Certificate GIA 1525580510

Diamond specifications and retailer prices

From £562 GBP
As of November 4, 2026
Save £1,273 GBP (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,834 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 1525580510. Listed at 14 retailers as of November 4, 2026, with prices from £562 to £1,834, a £1,273 spread on the same certified stone. NZ Jewellers lists it at £1,834. 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
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1525580510
Dimensions5.70 × 5.74 × 3.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal
Top View
5.70 mm5.74 mm0.73 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1525580510
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.1%

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 4
Current: £1,834 GBP|Low: £562 GBP|High: £1,960 GBP|Avg: £980 GBP|-6.4%
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
Retailer 14
Retailer 15
Retailer 16
November 5, 2026
Retailer 11£562 GBP
Retailer 5£591 GBP
Retailer 6£627 GBP
Retailer 15£686 GBP
Retailer 4£735 GBP
Retailer 14£736 GBP
Retailer 16£817 GBP
Retailer 3£851 GBP
Retailer 9£869 GBP
Retailer 10£946 GBP
Retailer 13£981 GBP
Retailer 2£1,123 GBP
Retailer 8£1,215 GBP
Retailer 7£1,313 GBP
Retailer 12£1,375 GBP
NZ Jewellers£1,834 GBP

18 data points across 16 retailers

14 retailers£562 GBP to £1,834 GBP

A
Cheapest Retailer
-
£562 GBP
A
Retailer 2
-
£591 GBP
View
Final sale: no returns
Retailer 3
-
£627 GBP
View
Price last confirmed 38 days ago
A
Retailer 4
-
£686 GBP
View
B+
Retailer 5
-
£735 GBP
View
A
Retailer 6
-
£736 GBP
View
B+
Retailer 7
-
£817 GBP
View
B+
Retailer 8
-
£851 GBP
View
B+
Retailer 9
-
£869 GBP
View
B+
Retailer 10
-
£946 GBP
View
B+
Retailer 11
-
£981 GBP
View
B+
Retailer 12
-
£1,123 GBP
View
B
Retailer 13
-
£1,375 GBP
View
Most Expensive
B
NZ Jewellers
412d9024-f129-4d56-8ef0-877b7238297e · Nov 5
£1,834 GBP
$2,469 USD
View
13 more retailers have this diamond
Prices start from £562 GBPSave up to £1,273 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
0.73ct Round
£562 GBP