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Radiant|Natural|GIA

0.73ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 5221228654

Certificate GIA 5221228654

Diamond specifications and retailer prices

From £1,181 GBP
As of November 1, 2026
Save £970 GBP (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,508 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.73ct natural radiant diamond

This 0.73ct natural radiant 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 stated by the retailer rather than the lab and certified by GIA 5221228654. Listed at 11 retailers as of October 31, 2026, with a 82% 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5221228654
Dimensions5.83 × 4.59 × 3.13 mm
L/W Ratio1.27
Top View
5.83 mm4.59 mm0.73 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5221228654
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £2,508 GBP|Low: £1,195 GBP|High: £2,537 GBP|Avg: £1,803 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 6£1,195 GBP
Retailer 8£1,296 GBP
Retailer 2£1,556 GBP
Retailer 5£1,746 GBP
Retailer 7£1,867 GBP
Retailer 3£1,954 GBP
Retailer 4£2,152 GBP
MOH London£2,508 GBP

42 data points across 8 retailers

11 retailers£1,181 GBP to £2,152 GBP

B
Cheapest Retailer
-
£1,181 GBP
Retailer 2
-
£1,195 GBP
View
Price last confirmed 17 days ago
Retailer 3
-
£1,296 GBP
View
Price last confirmed 9 days ago
B
Retailer 4
-
£1,349 GBP
View
B
Retailer 5
-
£1,556 GBP
View
B
Retailer 6
-
£1,568 GBP
View
Retailer 7
-
£1,746 GBP
View
Price last confirmed 10 days ago
Retailer 8
-
£1,867 GBP
View
Price last confirmed 33 days ago
B
Retailer 9
-
£1,954 GBP
View
B
Retailer 10
-
£2,152 GBP
View
Most Expensive
MOH London
86E8E2899 · Nov 2
£2,508 GBP
View
Price under review
10 more retailers have this diamond
Prices start from £1,181 GBPSave up to £970 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 Radiant
£1,181 GBP