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 $17,341 USD
As of October 30, 2026
Save $6,175 USD (26%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $29,616 USD 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 29, 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
Color
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: $29,616 USD|Low: $17,341 USD|High: $29,813 USD|Avg: $21,362 USD|+16.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 28, 2026
Retailer 7$17,341 USD
Retailer 9$18,426 USD
Retailer 3$18,964 USD
Retailer 8$20,152 USD
Retailer 4$21,083 USD
Retailer 2$22,242 USD
Retailer 6$22,889 USD
Retailer 5$23,516 USD
MOH London$29,616 USD

19 data points across 9 retailers

11 retailers$17,341 USD to $23,516 USD

Cheapest Retailer
-
$17,341 USD
A
Retailer 2
-
$18,426 USD
A$28,348 AUD
View
A
Retailer 3
-
$18,964 USD
CA$26,338 CAD
View
Retailer 4
-
$19,259 USD
View
Price last confirmed 40 days ago
Retailer 5
-
$20,152 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$21,083 USD
View
A
Retailer 7
-
$22,242 USD
€21,183 EUR
View
Retailer 8
-
$22,817 USD
View
Price last confirmed 40 days ago
Retailer 9
-
$22,889 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
$23,516 USD
View
Most Expensive
MOH London
698FA0472 · Oct 19
$29,616 USD
£23,320 GBP
View
Price last confirmed 11 days ago
10 more retailers have this diamond
Prices start from $17,341 USDSave up to $6,175 USD

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
$17,341 USD