Round|Natural|GIA

0.73ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6535261912

Certificate GIA 6535261912

Diamond specifications and retailer prices

From £538 GBP
As of November 6, 2026
Save £1,689 GBP (76%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £2,227 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 6535261912. Listed at 25 retailers as of November 5, 2026, with prices from £538 to £2,227, a £1,689 spread on the same certified stone. NZ Jewellers lists it at £2,227. 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
FluorescenceFaint
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6535261912
Dimensions5.78 × 5.74 × 3.60 mm
L/W Ratio1.01
Key to symbols
Crystal
Top View
5.78 mm5.74 mm0.73 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6535261912
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £2,227 GBP|Low: £538 GBP|High: £2,246 GBP|Avg: £852 GBP|-0.8%
NZ Jewellers
Retailer 2
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Retailer 23
November 6, 2026
Retailer 13£538 GBP
Retailer 6£545 GBP
Retailer 22£592 GBP
Retailer 3£655 GBP
Retailer 12£669 GBP
Retailer 11£699 GBP
Retailer 8£711 GBP
Retailer 2£717 GBP
Retailer 10£734 GBP
Retailer 9£737 GBP
Retailer 16£741 GBP
Retailer 20£757 GBP
Retailer 18£809 GBP
Retailer 15£815 GBP
Retailer 21£819 GBP
Retailer 5£820 GBP
Retailer 4£849 GBP
Retailer 17£890 GBP
Retailer 19£929 GBP
Retailer 23£945 GBP
Retailer 7£1,060 GBP
Retailer 14£1,319 GBP
NZ Jewellers£2,227 GBP

13 data points across 23 retailers

25 retailers£538 GBP to £2,227 GBP

A
Cheapest Retailer
-
£538 GBP
A
Retailer 2
-
£545 GBP
View
A
Retailer 3
-
£592 GBP
View
A
Retailer 4
-
£655 GBP
View
Final sale: no returns
A
Retailer 5
-
£669 GBP
View
A
Retailer 6
-
£699 GBP
View
A
Retailer 7
-
£711 GBP
View
A
Retailer 8
-
£717 GBP
View
A
Retailer 9
-
£734 GBP
View
A
Retailer 10
-
£737 GBP
View
Retailer 11
-
£741 GBP
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£757 GBP
View
B+
Retailer 13
-
£809 GBP
View
B+
Retailer 14
-
£815 GBP
View
B+
Retailer 15
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£819 GBP
View
B+
Retailer 16
-
£820 GBP
View
B+
Retailer 17
-
£849 GBP
View
Retailer 18
-
£863 GBP
View
Price last confirmed 30 days ago
B+
Retailer 19
-
£890 GBP
View
B+
Retailer 20
-
£929 GBP
View
B+
Retailer 21
-
£945 GBP
View
B+
Retailer 22
-
£1,060 GBP
View
Retailer 23
-
£1,192 GBP
View
Price last confirmed 33 days ago
B
Retailer 24
-
£1,319 GBP
View
Most Expensive
B
NZ Jewellers
92c7e292-ae6a-44df-ba26-95d2209b6616 · Nov 5
£2,227 GBP
$2,981 USD
View
24 more retailers have this diamond
Prices start from £538 GBPSave up to £1,689 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
£538 GBP