Round|Natural|IGI

3.05ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 727559258

Shape and cutting style on the report: Round brilliant

Certificate IGI 727559258

Diamond specifications and retailer prices

From $12,623 USD
₹1,202,186 INR
As of October 31, 2026
Save $10,342 USD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $22,965 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3.05ct natural round diamond

This 3.05ct 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 727559258. Listed at 15 retailers as of October 29, 2026, with prices from $12,623 to $22,965, a $10,342 spread on the same certified stone. MOH London lists it at $22,965. 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

3.05
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 727559258
Dimensions9.24 × 9.28 × 5.74 mm
L/W Ratio1.00
Girdle conditionPARTLY FACETED
Culet sizeNone
Top View
9.24 mm9.28 mm3.05 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 727559258
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.0%

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: $22,965 USD|Low: $12,591 USD|High: $25,972 USD|Avg: $17,989 USD|-11.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 2$12,623 USD
Retailer 5$14,843 USD
Retailer 3$16,145 USD
Retailer 11$17,221 USD
Retailer 8$17,381 USD
Retailer 12$17,490 USD
Retailer 6$17,709 USD
Retailer 9$18,044 USD
Retailer 7$18,163 USD
Retailer 4$20,160 USD
Retailer 10$20,721 USD
MOH London$22,965 USD

24 data points across 12 retailers

15 retailers$12,623 USD to $22,965 USD

A
Cheapest Retailer
-
$12,623 USD
₹1,202,186 INR
A
Retailer 2
-
$14,843 USD
View
A
Retailer 3
-
$14,861 USD
View
Retailer 4
-
$16,145 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$16,170 USD
View
Price last confirmed 24 days ago
A
Retailer 6
-
$17,221 USD
View
A
Retailer 7
-
$17,269 USD
A$26,568 AUD
View
A
Retailer 8
-
$17,381 USD
View
Final sale: no returns
A
Retailer 9
-
$17,490 USD
View
A
Retailer 10
-
$17,709 USD
€16,866 EUR
View
A
Retailer 11
-
$18,044 USD
£14,208 GBP
View
A
Retailer 12
-
$18,163 USD
View
B+
Retailer 13
-
$20,160 USD
View
A
Retailer 14
-
$20,721 USD
View
Most Expensive
A
MOH London
D2E3069ED · Oct 29
$22,965 USD
£18,083 GBP
View
14 more retailers have this diamond
Prices start from $12,623 USDSave up to $10,342 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
3.05ct Round
$12,623 USD