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Round|Natural|GIA

0.73ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6512709428

Certificate GIA 6512709428

Diamond specifications and retailer prices

From £1,192 GBP
As of November 4, 2026
Save £1,480 GBP (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,199 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 GIA 6512709428. Listed at 18 retailers as of November 4, 2026, with a 124% 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6512709428
Dimensions5.76 × 5.74 × 3.59 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
5.76 mm5.74 mm0.73 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512709428
Side View
Table 57.0%Crown 35.5°Girdle: ThickPavilion 41°Culet: NoneDepth 62.4%

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 4
Current: £3,199 GBP|Low: £1,192 GBP|High: £3,199 GBP|Avg: £1,821 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5£1,192 GBP
Retailer 8£1,245 GBP
Retailer 6£1,263 GBP
Retailer 9£1,386 GBP
Retailer 7£1,450 GBP
Retailer 2£1,652 GBP
Retailer 3£1,938 GBP
Retailer 4£2,673 GBP
NZ Jewellers£3,199 GBP

43 data points across 9 retailers

18 retailers£1,192 GBP to £2,673 GBP

B+
Cheapest Retailer
-
£1,192 GBP
B+
Retailer 2
-
£1,236 GBP
View
B+
Retailer 3
-
£1,245 GBP
View
B+
Retailer 4
-
£1,263 GBP
View
B+
Retailer 5
-
£1,307 GBP
View
Retailer 6
-
£1,386 GBP
View
Price last confirmed 8 days ago
B
Retailer 7
-
£1,386 GBP
View
B
Retailer 8
-
£1,450 GBP
View
B
Retailer 9
-
£1,599 GBP
View
B
Retailer 10
-
£1,620 GBP
View
B
Retailer 11
-
£1,620 GBP
View
B
Retailer 12
-
£1,652 GBP
View
B
Retailer 13
-
£1,672 GBP
View
B
Retailer 14
-
£1,747 GBP
View
B
Retailer 15
-
£1,760 GBP
View
B
Retailer 16
-
£1,938 GBP
View
B
Retailer 17
-
£2,673 GBP
View
Most Expensive
NZ Jewellers
7c672a3c-fc1f-4e41-9860-7210a1a437eb · Nov 5
£3,199 GBP
$4,305 USD
View
Price under review
17 more retailers have this diamond
Prices start from £1,192 GBPSave up to £1,480 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
£1,192 GBP