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Round|Natural|IGI

0.80ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 649446157

Shape and cutting style on the report: Round brilliant

Certificate IGI 649446157

Diamond specifications and retailer prices

From £483 GBP
As of November 4, 2026
Save £1,047 GBP (68%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,530 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 IGI 649446157. Listed at 12 retailers as of November 4, 2026, with prices from £483 to £1,530, a £1,047 spread on the same certified stone. NZ Jewellers lists it at £1,530. 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 angle33.8°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 649446157
Dimensions6.00 × 5.92 × 3.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.00 mm5.92 mm0.80 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 649446157
Side View
Table 52.0%Crown 33.8°Girdle: Slightly ThickPavilion 39.9°Culet: NoneDepth 61.9%

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 4
Current: £599 GBP|Low: £331 GBP|High: £1,140 GBP|Avg: £607 GBP|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 3£331 GBP
Retailer 5£483 GBP
Retailer 7£488 GBP
Retailer 11£488 GBP
Retailer 2£580 GBP
Retailer 8£580 GBP
Retailer 9£585 GBP
Retailer 1£599 GBP
Retailer 10£703 GBP
Retailer 4£711 GBP
Retailer 6£1,126 GBP

26 data points across 11 retailers

12 retailers£483 GBP to £1,530 GBP

A
Cheapest Retailer
-
£483 GBP
Retailer 2
-
£488 GBP
View
Price last confirmed 8 days ago
A
Retailer 3
-
£488 GBP
View
A
Retailer 4
-
£507 GBP
View
Retailer 5
-
£563 GBP
View
Price last confirmed 63 days ago
B+
Retailer 6
-
£563 GBP
View
B+
Retailer 7
-
£585 GBP
View
B+
Retailer 8
-
£599 GBP
View
A
Retailer 9
-
£711 GBP
View
B
Retailer 10
-
£1,126 GBP
View
Retailer 11
-
£1,530 GBP
View
Price last confirmed 66 days ago
Most Expensive
C
NZ Jewellers
e76053a5-2c84-40f9-9ec6-cd56a3e729e2 · Nov 5
£1,530 GBP
$2,059 USD
View
11 more retailers have this diamond
Prices start from £483 GBPSave up to £1,047 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
£483 GBP