Round|Natural|IGI

3.00ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 801638389

Shape and cutting style on the report: Round brilliant

Certificate IGI 801638389

Diamond specifications and retailer prices

From £14,142 GBP
₹1,804,656 INR
As of October 31, 2026
Save £10,824 GBP (43%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £24,966 GBP at MOH London · As of November 1, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 801638389. Listed at 15 retailers as of October 31, 2026, with prices from £14,142 to £24,966, a £10,824 spread on the same certified stone. MOH London lists it at £24,966. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 801638389
Dimensions9.13 × 9.21 × 5.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
9.13 mm9.21 mm3.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 801638389
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.8%

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: £24,966 GBP|Low: £14,106 GBP|High: £25,267 GBP|Avg: £18,236 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4£14,142 GBP
Retailer 6£15,662 GBP
Retailer 2£16,599 GBP
Retailer 7£16,910 GBP
Retailer 8£17,645 GBP
Retailer 5£19,170 GBP
Retailer 3£20,723 GBP
MOH London£24,966 GBP

43 data points across 8 retailers

15 retailers£14,142 GBP to £24,966 GBP

A
Cheapest Retailer
-
£14,142 GBP
₹1,804,656 INR
A
Retailer 2
-
£15,662 GBP
$20,985 USD
View
A
Retailer 3
-
£16,221 GBP
$21,735 USD
View
A
Retailer 4
-
£16,599 GBP
View
A
Retailer 5
-
£16,910 GBP
$22,657 USD
View
Final sale: no returns
A
Retailer 6
-
£17,192 GBP
$23,035 USD
View
Retailer 7
-
£17,645 GBP
$23,643 USD
View
Price last confirmed 25 days ago
Retailer 8
-
£19,116 GBP
$25,613 USD
View
Price last confirmed 40 days ago
Retailer 9
-
£19,116 GBP
$25,613 USD
View
Price last confirmed 25 days ago
A
Retailer 10
-
£19,170 GBP
€24,462 EUR
View
B+
Retailer 11
-
£19,627 GBP
$26,298 USD
View
Retailer 12
-
£19,851 GBP
$26,598 USD
View
Price last confirmed 40 days ago
B+
Retailer 13
-
£20,723 GBP
ZAR 448,566 ZAR
View
Retailer 14
-
£22,647 GBP
$30,344 USD
View
Price last confirmed 37 days ago
Most Expensive
B+
MOH London
43B34E3AB · Nov 1
£24,966 GBP
View
14 more retailers have this diamond
Prices start from £14,142 GBPSave up to £10,824 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
£14,142 GBP