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Round|Natural|GIA

0.80ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 6445252494

Certificate GIA 6445252494

Diamond specifications and retailer prices

From £523 GBP
As of November 6, 2026
Save £1,669 GBP (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,193 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6445252494. Listed at 17 retailers as of November 5, 2026, with prices from £523 to £2,193, a £1,669 spread on the same certified stone. NZ Jewellers lists it at £2,193. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.80
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6445252494
Dimensions5.82 × 5.77 × 3.75 mm
L/W Ratio1.01
Top View
5.82 mm5.77 mm0.80 ctK / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6445252494
Side View
Table 56.0%CrownGirdle: ThickPavilionCulet: NoneDepth 64.7%

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 6
Current: £2,193 GBP|Low: £513 GBP|High: £2,193 GBP|Avg: £806 GBP
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
November 6, 2026
Retailer 16£523 GBP
Retailer 4£565 GBP
Retailer 7£644 GBP
Retailer 8£646 GBP
Retailer 3£699 GBP
Retailer 15£699 GBP
Retailer 5£707 GBP
Retailer 13£726 GBP
Retailer 6£768 GBP
Retailer 9£805 GBP
Retailer 12£807 GBP
Retailer 2£876 GBP
Retailer 14£980 GBP
Retailer 10£1,033 GBP
Retailer 11£1,278 GBP
NZ Jewellers£2,193 GBP

32 data points across 16 retailers

17 retailers£523 GBP to £2,193 GBP

A
Cheapest Retailer
-
£523 GBP
B+
Retailer 2
-
£565 GBP
View
B+
Retailer 3
-
£646 GBP
View
Retailer 4
-
£699 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£699 GBP
View
B+
Retailer 6
-
£707 GBP
View
B+
Retailer 7
-
£723 GBP
View
B+
Retailer 8
-
£726 GBP
View
B+
Retailer 9
-
£768 GBP
View
B+
Retailer 10
-
£805 GBP
View
B+
Retailer 11
-
£807 GBP
View
B+
Retailer 12
-
£814 GBP
View
B+
Retailer 13
-
£876 GBP
View
B
Retailer 14
-
£980 GBP
View
B
Retailer 15
-
£1,033 GBP
View
B
Retailer 16
-
£1,278 GBP
View
Most Expensive
C
NZ Jewellers
0671a479-27b9-4f24-ab4c-51ebeeedebe2 · Nov 5
£2,193 GBP
$2,951 USD
View
16 more retailers have this diamond
Prices start from £523 GBPSave up to £1,669 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
0.80ct Round
£523 GBP