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Round|Natural|GIA

0.80ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2437016139

Certificate GIA 2437016139

Diamond specifications and retailer prices

From £494 GBP
As of November 6, 2026
Save £1,564 GBP (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,058 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2437016139. Listed at 11 retailers as of November 5, 2026, with prices from £494 to £2,058, a £1,564 spread on the same certified stone. NZ Jewellers lists it at £2,058. 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

0.80
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2437016139
Dimensions5.89 × 5.91 × 3.72 mm
L/W Ratio1.00
Top View
5.89 mm5.91 mm0.80 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2437016139
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

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: £2,058 GBP|Low: £438 GBP|High: £2,098 GBP|Avg: £825 GBP|-1.9%
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
November 6, 2026
Retailer 4£438 GBP
Retailer 11£494 GBP
Retailer 3£606 GBP
Retailer 5£639 GBP
Retailer 13£664 GBP
Retailer 6£683 GBP
Retailer 7£755 GBP
Retailer 12£755 GBP
Retailer 8£788 GBP
Retailer 2£866 GBP
Retailer 9£918 GBP
Retailer 10£1,201 GBP
NZ Jewellers£2,058 GBP

29 data points across 13 retailers

11 retailers£494 GBP to £2,058 GBP

A
Cheapest Retailer
-
£494 GBP
Retailer 2
-
£606 GBP
View
Price last confirmed 33 days ago
A
Retailer 3
-
£664 GBP
View
A
Retailer 4
-
£683 GBP
View
B+
Retailer 5
-
£755 GBP
View
A
Retailer 6
-
£755 GBP
View
B+
Retailer 7
-
£788 GBP
View
B+
Retailer 8
-
£866 GBP
View
B+
Retailer 9
-
£918 GBP
View
B
Retailer 10
-
£1,201 GBP
View
Most Expensive
B
NZ Jewellers
a30a33d9-5a78-4db4-aacb-55aa3426b29f · Nov 5
£2,058 GBP
$2,770 USD
View
10 more retailers have this diamond
Prices start from £494 GBPSave up to £1,564 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
£494 GBP