Round|Natural|GIA

0.71ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6455025380

Certificate GIA 6455025380

Diamond specifications and retailer prices

From £689 GBP
As of November 4, 2026
Save £1,242 GBP (64%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,930 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.71ct natural round diamond

This 0.71ct 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 6455025380. Listed at 10 retailers as of November 4, 2026, with prices from £689 to £1,930, a £1,242 spread on the same certified stone. NZ Jewellers lists it at £1,930. 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

0.71
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6455025380
Dimensions5.65 × 5.70 × 3.57 mm
L/W Ratio1.01
Top View
5.65 mm5.70 mm0.71 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6455025380
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.9%

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: £1,930 GBP|Low: £717 GBP|High: £1,930 GBP|Avg: £1,016 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 7£717 GBP
Retailer 9£717 GBP
Retailer 6£739 GBP
Retailer 5£744 GBP
Retailer 8£827 GBP
Retailer 3£928 GBP
Retailer 2£1,054 GBP
Retailer 4£1,449 GBP
NZ Jewellers£1,930 GBP

39 data points across 9 retailers

10 retailers£689 GBP to £1,930 GBP

B+
Cheapest Retailer
-
£689 GBP
B+
Retailer 2
-
£709 GBP
View
B+
Retailer 3
-
£717 GBP
View
B
Retailer 4
-
£739 GBP
View
B
Retailer 5
-
£744 GBP
View
B
Retailer 6
-
£827 GBP
View
B
Retailer 7
-
£928 GBP
View
B
Retailer 8
-
£1,054 GBP
View
B
Retailer 9
-
£1,449 GBP
View
Most Expensive
C
NZ Jewellers
c56fcf53-28c7-4d46-907a-8bf8dc6f90de · Nov 5
£1,930 GBP
$2,598 USD
View
9 more retailers have this diamond
Prices start from £689 GBPSave up to £1,242 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+
0.71ct Round
£689 GBP