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Round|Natural|IGI

3.00ct H SI1 Round Natural Diamond

EX • H/SI1 • IGI 830650690

Shape and cutting style on the report: Round brilliant

Certificate IGI 830650690

Diamond specifications and retailer prices

From £13,818 GBP
₹1,763,244 INR
As of October 31, 2026
Save £11,299 GBP (45%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £25,117 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3ct natural round diamond

This 3ct natural round sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 830650690. Listed at 7 retailers as of October 29, 2026, with prices from £13,818 to £25,117, a £11,299 spread on the same certified stone. MOH London lists it at £25,117. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle35.7°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 830650690
Dimensions9.13 × 9.19 × 5.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
9.13 mm9.19 mm3.00 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateIGI 830650690
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.9%

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 31
Current: £25,117 GBP|Low: £13,818 GBP|High: £32,267 GBP|Avg: £19,751 GBP|-22.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 2£13,818 GBP
Retailer 5£15,942 GBP
Retailer 4£16,611 GBP
Retailer 7£17,095 GBP
Retailer 3£18,497 GBP
Retailer 6£18,775 GBP
MOH London£25,117 GBP

39 data points across 7 retailers

7 retailers£13,818 GBP to £25,117 GBP

A
Cheapest Retailer
-
£13,818 GBP
₹1,763,244 INR
A
Retailer 2
-
£15,942 GBP
$21,361 USD
View
A
Retailer 3
-
£16,611 GBP
View
A
Retailer 4
-
£17,095 GBP
$22,905 USD
View
A
Retailer 5
-
£18,497 GBP
$24,784 USD
View
A
Retailer 6
-
£18,775 GBP
€23,958 EUR
View
Most Expensive
B+
MOH London
0F7B9D722 · Oct 29
£25,117 GBP
View
6 more retailers have this diamond
Prices start from £13,818 GBPSave up to £11,299 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
£13,818 GBP