Round|Natural|IGI

0.73ct K SI2 Round Natural Diamond

GD • K/SI2 • IGI 797685028

Shape and cutting style on the report: Round brilliant

Certificate IGI 797685028

Diamond specifications and retailer prices

From £487 GBP
As of November 5, 2026
Save £750 GBP (61%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,238 GBP at NZ Jewellers · As of October 27, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a standard cut grade and certified by IGI 797685028. Listed at 5 retailers as of November 5, 2026, with a 154% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.73
Carat
K
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryFair
FluorescenceFaint
Crown angle37.9°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 797685028
Dimensions5.65 × 5.74 × 3.65 mm
L/W Ratio1.02
Girdle conditionFaceted
Top View
5.65 mm5.74 mm0.73 ctK / SI2
OriginNatural
CutGood
PolishGood
SymmetryFair
FluorescenceFaint
CertificateIGI 797685028
Side View
Table 59.0%Crown 37.9°Girdle: MED-THKPavilion 41.6°CuletDepth 64.0%

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 5
Current: £487 GBP|Low: £480 GBP|High: £756 GBP|Avg: £576 GBP|+1.5%
Retailer 1
Retailer 2
Retailer 3
November 5, 2026
Retailer 1£487 GBP
Retailer 3£489 GBP
Retailer 2£750 GBP

18 data points across 3 retailers

5 retailers£487 GBP to £1,238 GBP

B+
Cheapest Retailer
-
£487 GBP
Retailer 2
-
£750 GBP
View
Price last confirmed 16 days ago
Retailer 3
-
£1,238 GBP
View
Price last confirmed 34 days ago
C
Retailer 4
-
£1,238 GBP
View
Most Expensive
NZ Jewellers
53599c00-701f-4bcd-8211-a8581dc0a737 · Oct 27
£1,238 GBP
$1,666 USD
View
Price last confirmed 10 days ago
4 more retailers have this diamond
Prices start from £487 GBPSave up to £750 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
£487 GBP