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Round|Natural|GIA

3.06ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1549278254

Certificate GIA 1549278254

Diamond specifications and retailer prices

From $35,378 AUD
£19,568 GBP
As of November 2, 2026
Save $19,397 AUD (35%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $54,774 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 3.06ct natural round diamond

This 3.06ct 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 GIA 1549278254. Listed at 11 retailers as of November 1, 2026, with prices from $35,378 to $54,774, a $19,397 spread on the same certified stone. MOH London lists it at $54,774. 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

3.06
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1549278254
Dimensions9.24 × 9.18 × 5.79 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Feather, Crystal, Knot, Needle
Top View
9.24 mm9.18 mm3.06 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1549278254
Side View
Table 57.0%Crown 35°GirdlePavilion 41°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $54,774 AUD|Low: $33,846 AUD|High: $64,616 AUD|Avg: $44,718 AUD|+4.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2$35,378 AUD
Retailer 7$35,384 AUD
Retailer 9$36,924 AUD
Retailer 6$37,661 AUD
Retailer 11$40,000 AUD
Retailer 10$41,539 AUD
Retailer 4$42,365 AUD
Retailer 5$45,466 AUD
Retailer 8$49,711 AUD
MOH London$54,774 AUD
Retailer 3$64,616 AUD

23 data points across 11 retailers

11 retailers$35,378 AUD to $54,774 AUD

Retailer 1
-
$33,950 AUD
$23,848 USD
Price last confirmed 12 days ago
B+
Retailer 2
-
$35,378 AUD
£19,568 GBP
View
B+
Retailer 3
-
$37,661 AUD
$26,455 USD
View
Retailer 4
-
$38,770 AUD
$27,234 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$40,000 AUD
$28,098 USD
View
Price last confirmed 12 days ago
Retailer 6
-
$41,539 AUD
$29,179 USD
View
Price last confirmed 12 days ago
B
Retailer 7
-
$42,365 AUD
€28,342 EUR
View
B
Retailer 8
-
$45,466 AUD
ZAR 515,945 ZAR
View
Retailer 9
-
$47,389 AUD
$33,288 USD
View
Price last confirmed 12 days ago
Retailer 10
-
$49,711 AUD
$34,919 USD
View
Price last confirmed 13 days ago
Most Expensive
B
MOH London
E39788025 · Nov 1
$54,774 AUD
£30,296 GBP
View
10 more retailers have this diamond
Prices start from $35,378 AUDSave up to $19,397 AUD

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.

B+
3.06ct Round
$35,378 AUD