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3.05ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 623473225

Shape and cutting style on the report: Round brilliant

Certificate IGI 623473225

Diamond specifications and retailer prices

From $15,940 USD
As of November 1, 2026
Save $9,370 USD (37%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $25,310 USD at MOH London · As of November 1, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 623473225. Listed at 15 retailers as of November 1, 2026, with prices from $15,940 to $25,310, a $9,370 spread on the same certified stone. MOH London lists it at $25,310. 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
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 623473225
Dimensions9.41 × 9.35 × 5.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.41 mm9.35 mm3.05 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 623473225
Side View
Table 60.0%Crown 32.4°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $25,310 USD|Low: $15,940 USD|High: $27,041 USD|Avg: $19,574 USD|-6.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 2$15,940 USD
Retailer 13$16,283 USD
Retailer 14$16,446 USD
Retailer 9$17,064 USD
Retailer 11$17,490 USD
Retailer 8$17,747 USD
Retailer 5$17,889 USD
Retailer 6$19,081 USD
Retailer 7$19,379 USD
Retailer 3$19,664 USD
Retailer 4$19,882 USD
Retailer 12$20,125 USD
Retailer 10$21,008 USD
Retailer 15$22,959 USD
MOH London$25,310 USD

18 data points across 15 retailers

15 retailers$15,940 USD to $25,310 USD

A
Cheapest Retailer
-
$15,940 USD
A
Retailer 2
-
$16,283 USD
View
A
Retailer 3
-
$16,446 USD
View
A
Retailer 4
-
$17,064 USD
£13,437 GBP
View
A
Retailer 5
-
$17,490 USD
View
A
Retailer 6
-
$17,747 USD
£13,974 GBP
View
A
Retailer 7
-
$17,889 USD
View
A
Retailer 8
-
$19,081 USD
View
A
Retailer 9
-
$19,379 USD
View
A
Retailer 10
-
$19,664 USD
€18,728 EUR
View
A
Retailer 11
-
$19,882 USD
View
A
Retailer 12
-
$20,125 USD
View
A
Retailer 13
-
$21,008 USD
ZAR 339,394 ZAR
View
B+
Retailer 14
-
$22,959 USD
View
Most Expensive
B+
MOH London
A3C8E18F0 · Nov 1
$25,310 USD
£19,929 GBP
View
14 more retailers have this diamond
Prices start from $15,940 USDSave up to $9,370 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
$15,940 USD