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Round|Natural|IGI

3.00ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 773617959

Shape and cutting style on the report: Round brilliant

Certificate IGI 773617959

Diamond specifications and retailer prices

From £5,621 GBP
As of November 1, 2026
Save £5,317 GBP (49%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £12,225 GBP at NZ Jewellers · As of August 29, 2026
View at NZ Jewellers

About this 3ct natural round diamond

This 3ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 773617959. Listed at 16 retailers as of November 1, 2026, with a 95% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.00
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 773617959
Dimensions9.12 × 9.20 × 5.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.12 mm9.20 mm3.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 773617959
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £10,938 GBP|Low: £5,652 GBP|High: £12,004 GBP|Avg: £7,810 GBP|+4.7%
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 8£5,652 GBP
Retailer 3£5,905 GBP
Retailer 2£6,257 GBP
Retailer 13£6,331 GBP
Retailer 7£6,540 GBP
Retailer 10£6,640 GBP
Retailer 6£6,682 GBP
Retailer 11£7,546 GBP
Retailer 4£7,862 GBP
Retailer 5£8,220 GBP
Retailer 12£8,444 GBP
Retailer 9£9,089 GBP
NZ Jewellers£10,938 GBP

34 data points across 13 retailers

16 retailers£5,621 GBP to £10,938 GBP

A
Cheapest Retailer
-
£5,621 GBP
A
Retailer 2
-
£5,652 GBP
View
A
Retailer 3
-
£5,905 GBP
View
A
Retailer 4
-
£6,257 GBP
View
Retailer 5
-
£6,331 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
£6,331 GBP
View
Price last confirmed 21 days ago
A
Retailer 7
-
£6,540 GBP
View
A
Retailer 8
-
£6,640 GBP
View
A
Retailer 9
-
£6,682 GBP
View
Retailer 10
-
£6,859 GBP
View
Price last confirmed 23 days ago
A
Retailer 11
-
£7,546 GBP
View
Retailer 12
-
£7,914 GBP
View
Price last confirmed 24 days ago
A
Retailer 13
-
£8,444 GBP
View
A
Retailer 14
-
£9,089 GBP
View
A
Retailer 15
-
£10,938 GBP
View
Most Expensive
NZ Jewellers
8fe9a770-95b3-4382-bfb6-52202d2e90e9 · Aug 29
£12,225 GBP
$16,454 USD
View
Price last confirmed 68 days ago
15 more retailers have this diamond
Prices start from £5,621 GBPSave up to £5,317 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
3.00ct Round
£5,621 GBP