Round|Natural|IGI

3.00ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 812622417

Shape and cutting style on the report: Round brilliant

Certificate IGI 812622417

Diamond specifications and retailer prices

From £12,942 GBP
$17,341 USD
As of October 30, 2026
Save £4,609 GBP (26%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £22,104 GBP at MOH London · As of October 19, 2026
View at MOH London

About this 3ct natural round diamond

This 3ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 812622417. Listed at 11 retailers as of October 30, 2026, with a 36% 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.2°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 812622417
Dimensions9.07 × 9.19 × 5.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
9.07 mm9.19 mm3.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 812622417
Side View
Table 59.0%Crown 36.2°Girdle: MED-STKPavilion 41°CuletDepth 62.7%

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: Oct 30
Current: £22,104 GBP|Low: £12,942 GBP|High: £22,251 GBP|Avg: £15,988 GBP|+16.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 7£12,942 GBP
Retailer 9£13,752 GBP
Retailer 3£14,153 GBP
Retailer 8£15,040 GBP
Retailer 4£15,735 GBP
Retailer 2£16,627 GBP
Retailer 6£17,083 GBP
Retailer 5£17,551 GBP
MOH London£22,104 GBP

19 data points across 9 retailers

11 retailers£12,942 GBP to £17,551 GBP

A
Cheapest Retailer
-
£12,942 GBP
$17,341 USD
A
Retailer 2
-
£13,752 GBP
A$28,348 AUD
View
A
Retailer 3
-
£14,153 GBP
CA$26,338 CAD
View
Retailer 4
-
£14,374 GBP
$19,259 USD
View
Price last confirmed 41 days ago
Retailer 5
-
£15,040 GBP
$20,152 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
£15,735 GBP
$21,083 USD
View
A
Retailer 7
-
£16,627 GBP
€21,217 EUR
View
Retailer 8
-
£17,029 GBP
$22,817 USD
View
Price last confirmed 41 days ago
Retailer 9
-
£17,083 GBP
$22,889 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
£17,551 GBP
$23,516 USD
View
Most Expensive
MOH London
698FA0472 · Oct 19
£22,104 GBP
View
Price last confirmed 12 days ago
10 more retailers have this diamond
Prices start from £12,942 GBPSave up to £4,609 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
£12,942 GBP