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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 $20,378 SGD
$15,940 USD
As of November 1, 2026
Save $11,978 SGD (37%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $32,356 SGD 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 $20,378 to $32,356, a $11,978 spread on the same certified stone. MOH London lists it at $32,356. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $32,356 SGD|Low: $20,378 SGD|High: $34,569 SGD|Avg: $24,962 SGD|-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 2, 2026
Retailer 9$20,378 SGD
Retailer 14$20,816 SGD
Retailer 15$21,025 SGD
Retailer 2$21,998 SGD
Retailer 12$22,359 SGD
Retailer 10$22,687 SGD
Retailer 5$22,869 SGD
Retailer 6$24,393 SGD
Retailer 7$24,774 SGD
Retailer 8$25,028 SGD
Retailer 4$25,417 SGD
Retailer 13$25,728 SGD
Retailer 11$26,857 SGD
Retailer 3$29,351 SGD
MOH London$32,356 SGD

19 data points across 15 retailers

15 retailers$20,378 SGD to $32,356 SGD

A
Cheapest Retailer
-
$20,378 SGD
$15,940 USD
A
Retailer 2
-
$20,816 SGD
$16,283 USD
View
A
Retailer 3
-
$21,025 SGD
$16,446 USD
View
A
Retailer 4
-
$21,998 SGD
£13,549 GBP
View
A
Retailer 5
-
$22,359 SGD
$17,490 USD
View
A
Retailer 6
-
$22,687 SGD
£13,974 GBP
View
A
Retailer 7
-
$22,869 SGD
$17,889 USD
View
A
Retailer 8
-
$24,393 SGD
$19,081 USD
View
A
Retailer 9
-
$24,774 SGD
$19,379 USD
View
A
Retailer 10
-
$25,028 SGD
€18,645 EUR
View
A
Retailer 11
-
$25,417 SGD
$19,882 USD
View
A
Retailer 12
-
$25,728 SGD
$20,125 USD
View
A
Retailer 13
-
$26,857 SGD
ZAR 339,394 ZAR
View
B+
Retailer 14
-
$29,351 SGD
$22,959 USD
View
Most Expensive
B+
MOH London
A3C8E18F0 · Nov 1
$32,356 SGD
£19,929 GBP
View
14 more retailers have this diamond
Prices start from $20,378 SGDSave up to $11,978 SGD

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
$20,378 SGD