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0.73ct D SI2 Round Natural Diamond

EX • D/SI2 • IGI 678560760

Shape and cutting style on the report: Round brilliant

Certificate IGI 678560760

Diamond specifications and retailer prices

From £730 GBP
As of November 4, 2026
Save £1,199 GBP (62%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,929 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 678560760. Listed at 12 retailers as of November 4, 2026, with prices from £730 to £1,929, a £1,199 spread on the same certified stone. NZ Jewellers lists it at £1,929. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 678560760
Dimensions5.81 × 5.78 × 3.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.81 mm5.78 mm0.73 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 678560760
Side View
Table 58.0%Crown 33.1°Girdle: MediumPavilion 41.4°Culet: NoneDepth 61.4%

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 4
Current: £1,929 GBP|Low: £653 GBP|High: £1,929 GBP|Avg: £988 GBP|+2.4%
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
November 5, 2026
Retailer 10£730 GBP
Retailer 8£743 GBP
Retailer 14£758 GBP
Retailer 4£791 GBP
Retailer 12£791 GBP
Retailer 11£821 GBP
Retailer 5£842 GBP
Retailer 3£890 GBP
Retailer 13£912 GBP
Retailer 2£948 GBP
Retailer 7£1,102 GBP
Retailer 6£1,124 GBP
Retailer 9£1,446 GBP
NZ Jewellers£1,929 GBP

29 data points across 14 retailers

12 retailers£730 GBP to £1,929 GBP

A
Cheapest Retailer
-
£730 GBP
Final sale: no returns
A
Retailer 2
-
£743 GBP
View
A
Retailer 3
-
£758 GBP
View
Retailer 4
-
£791 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£791 GBP
View
A
Retailer 6
-
£821 GBP
View
B+
Retailer 7
-
£890 GBP
View
B+
Retailer 8
-
£912 GBP
View
B+
Retailer 9
-
£948 GBP
View
B+
Retailer 10
-
£1,102 GBP
View
B
Retailer 11
-
£1,446 GBP
View
Most Expensive
B
NZ Jewellers
b5eeec50-4e71-46e1-a3b7-52db92746cd3 · Nov 5
£1,929 GBP
$2,596 USD
View
11 more retailers have this diamond
Prices start from £730 GBPSave up to £1,199 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
£730 GBP