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Round|Natural|GIA

0.72ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6512780788

Certificate GIA 6512780788

Diamond specifications and retailer prices

From £373 GBP
As of November 6, 2026
Save £1,172 GBP (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,545 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.72ct natural round diamond

This 0.72ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6512780788. Listed at 20 retailers as of November 5, 2026, with prices from £373 to £1,545, a £1,172 spread on the same certified stone. NZ Jewellers lists it at £1,545. 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

0.72
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6512780788
Dimensions5.75 × 5.70 × 3.57 mm
L/W Ratio1.01
Key to symbols
Cloud, Crystal, Feather
Top View
5.75 mm5.70 mm0.72 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6512780788
Side View
Table 59.0%Crown 34°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 62.3%

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: £1,545 GBP|Low: £373 GBP|High: £1,580 GBP|Avg: £641 GBP|-1.3%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 2£373 GBP
Retailer 17£406 GBP
Retailer 10£428 GBP
Retailer 5£493 GBP
Retailer 6£496 GBP
Retailer 11£505 GBP
Retailer 8£511 GBP
Retailer 3£525 GBP
Retailer 7£568 GBP
Retailer 18£590 GBP
Retailer 13£598 GBP
Retailer 15£603 GBP
Retailer 9£615 GBP
Retailer 12£617 GBP
Retailer 4£628 GBP
Retailer 14£678 GBP
Retailer 16£735 GBP
Retailer 19£1,136 GBP
NZ Jewellers£1,545 GBP

14 data points across 19 retailers

20 retailers£373 GBP to £1,545 GBP

A
Cheapest Retailer
-
£373 GBP
A
Retailer 2
-
£406 GBP
View
A
Retailer 3
-
£428 GBP
View
A
Retailer 4
-
£493 GBP
View
A
Retailer 5
-
£496 GBP
View
Retailer 6
-
£505 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£511 GBP
View
A
Retailer 8
-
£525 GBP
View
Retailer 9
-
£561 GBP
View
Price last confirmed 26 days ago
A
Retailer 10
-
£568 GBP
View
B+
Retailer 11
-
£590 GBP
View
B+
Retailer 12
-
£598 GBP
View
B+
Retailer 13
-
£603 GBP
View
B+
Retailer 14
-
£615 GBP
View
B+
Retailer 15
-
£617 GBP
View
B+
Retailer 16
-
£628 GBP
View
B+
Retailer 17
-
£678 GBP
View
B+
Retailer 18
-
£735 GBP
View
B
Retailer 19
-
£1,136 GBP
View
Most Expensive
B
NZ Jewellers
c5884a7c-15c1-44c0-806f-6f64dd6f3baa · Nov 5
£1,545 GBP
$2,079 USD
View
19 more retailers have this diamond
Prices start from £373 GBPSave up to £1,172 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
0.72ct Round
£373 GBP