Round|Natural|GIA

0.73ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1517440105

Certificate GIA 1517440105

Diamond specifications and retailer prices

From £684 GBP
As of November 4, 2026
Save £990 GBP (59%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,404 GBP at NZ Jewellers · As of September 19, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1517440105. Listed at 17 retailers as of November 4, 2026, with a 145% 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1517440105
Dimensions5.82 × 5.79 × 3.55 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Key to symbols
Crystal, Cloud, Feather
Top View
5.82 mm5.79 mm0.73 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1517440105
Side View
Table 60.0%Crown 32.5°Girdle: STK-STKPavilion 41.6°Culet: NoneDepth 61.1%

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 4
Current: £2,236 GBP|Low: £675 GBP|High: £2,404 GBP|Avg: £1,175 GBP|-7.0%
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 6, 2026
Retailer 9£684 GBP
Retailer 10£846 GBP
Retailer 8£847 GBP
Retailer 5£878 GBP
Retailer 4£917 GBP
Retailer 3£947 GBP
Retailer 11£950 GBP
Retailer 13£1,016 GBP
Retailer 2£1,024 GBP
Retailer 12£1,058 GBP
Retailer 6£1,272 GBP
Retailer 7£1,675 GBP
NZ Jewellers£2,236 GBP

40 data points across 13 retailers

17 retailers£684 GBP to £1,675 GBP

A
Cheapest Retailer
-
£684 GBP
A
Retailer 2
-
£846 GBP
View
Final sale: no returns
A
Retailer 3
-
£847 GBP
View
B+
Retailer 4
-
£878 GBP
View
Retailer 5
-
£917 GBP
View
Price last confirmed 15 days ago
Retailer 6
-
£947 GBP
View
Price last confirmed 10 days ago
B+
Retailer 7
-
£950 GBP
View
Retailer 8
-
£986 GBP
View
Price last confirmed 21 days ago
B+
Retailer 9
-
£1,016 GBP
View
B+
Retailer 10
-
£1,024 GBP
View
Retailer 11
-
£1,031 GBP
View
Price last confirmed 22 days ago
Retailer 12
-
£1,058 GBP
View
Price last confirmed 16 days ago
Retailer 13
-
£1,138 GBP
View
Price last confirmed 45 days ago
B+
Retailer 14
-
£1,272 GBP
View
B
Retailer 15
-
£1,675 GBP
View
Retailer 16
-
£2,236 GBP
View
Price last confirmed 17 days ago
Most Expensive
NZ Jewellers
a40ed4ef-004a-419a-a55a-21a8327e9034 · Sep 19
£2,404 GBP
$3,235 USD
View
Price last confirmed 47 days ago
16 more retailers have this diamond
Prices start from £684 GBPSave up to £990 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
£684 GBP