CaratHunter
Plans
Round|Natural|GIA

0.73ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6331964931

Shape and cutting style on the report: Round brilliant

Certificate GIA 6331964931

Diamond specifications and retailer prices

From £298 GBP
As of November 6, 2026
Save £649 GBP (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,288 GBP at NZ Jewellers · As of October 30, 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 top-tier cut grade and certified by GIA 6331964931. Listed at 14 retailers as of November 4, 2026, with a 218% 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6331964931
Dimensions5.87 × 5.86 × 3.50 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
5.87 mm5.86 mm0.73 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6331964931
Side View
Table 61.0%Crown 32.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 59.7%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £298 GBP|Low: £298 GBP|High: £959 GBP|Avg: £524 GBP|-4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1£298 GBP
Retailer 5£420 GBP
Retailer 2£426 GBP
Retailer 7£442 GBP
Retailer 8£458 GBP
Retailer 9£506 GBP
Retailer 3£510 GBP
Retailer 6£552 GBP
Retailer 4£947 GBP

45 data points across 9 retailers

14 retailers£298 GBP to £947 GBP

A
Cheapest Retailer
-
£298 GBP
A
Retailer 2
-
£342 GBP
View
A
Retailer 3
-
£389 GBP
View
Retailer 4
-
£411 GBP
View
Price last confirmed 9 days ago
A
Retailer 5
-
£420 GBP
View
A
Retailer 6
-
£426 GBP
View
Retailer 7
-
£442 GBP
View
Price last confirmed 8 days ago
Retailer 8
-
£442 GBP
View
Price last confirmed 8 days ago
Retailer 9
-
£474 GBP
View
Price last confirmed 10 days ago
B+
Retailer 10
-
£506 GBP
View
B+
Retailer 11
-
£508 GBP
View
B+
Retailer 12
-
£510 GBP
View
B
Retailer 13
-
£947 GBP
View
Most Expensive
NZ Jewellers
254190d8-4b7f-495c-b9c0-b4c549efad6c · Oct 30
£1,288 GBP
$1,733 USD
View
Price last confirmed 7 days ago
13 more retailers have this diamond
Prices start from £298 GBPSave up to £649 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
£298 GBP