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Round|Natural|GIA

3.06ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 3555403959

Certificate GIA 3555403959

Diamond specifications and retailer prices

From $45,786 NZD
CA$35,780 CAD
As of October 30, 2026
Save $29,391 NZD (39%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $75,177 NZD 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 3555403959. Listed at 19 retailers as of October 30, 2026, with prices from $45,786 to $75,177, a $29,391 spread on the same certified stone. MOH London lists it at $75,177. 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 angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 3555403959
Dimensions9.37 × 9.30 × 5.70 mm
L/W Ratio1.01
Star length50%
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
9.37 mm9.30 mm3.06 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555403959
Side View
Table 58.0%Crown 34°Girdle: MediumPavilion 41°Culet: NoneDepth 61.1%

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: Oct 30
Current: $75,177 NZD|Low: $45,786 NZD|High: $79,385 NZD|Avg: $55,149 NZD|-5.2%
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
Retailer 16
November 2, 2026
Retailer 10$45,786 NZD
Retailer 13$46,072 NZD
Retailer 12$48,947 NZD
Retailer 2$49,062 NZD
Retailer 3$50,199 NZD
Retailer 7$50,493 NZD
Retailer 8$50,818 NZD
Retailer 15$50,905 NZD
Retailer 4$53,870 NZD
Retailer 5$55,438 NZD
Retailer 16$55,718 NZD
Retailer 9$56,761 NZD
Retailer 14$56,778 NZD
Retailer 11$57,287 NZD
Retailer 6$63,749 NZD
MOH London$75,177 NZD

29 data points across 16 retailers

19 retailers$45,786 NZD to $75,177 NZD

B+
Cheapest Retailer
-
$45,786 NZD
CA$35,780 CAD
B+
Retailer 2
-
$46,072 NZD
$25,923 USD
View
B+
Retailer 3
-
$48,947 NZD
$27,540 USD
View
B+
Retailer 4
-
$49,062 NZD
£21,736 GBP
View
B+
Retailer 5
-
$50,143 NZD
$28,213 USD
View
Retailer 6
-
$50,199 NZD
A$43,453 AUD
View
Price last confirmed 33 days ago
Retailer 7
-
$50,493 NZD
$28,410 USD
View
Price last confirmed 25 days ago
B
Retailer 8
-
$50,905 NZD
$28,642 USD
View
Retailer 9
-
$52,317 NZD
$29,436 USD
View
Price last confirmed 49 days ago
Retailer 10
-
$52,317 NZD
$29,436 USD
View
Price last confirmed 36 days ago
B
Retailer 11
-
$56,761 NZD
€30,416 EUR
View
B
Retailer 12
-
$56,778 NZD
$31,946 USD
View
B
Retailer 13
-
$57,287 NZD
$32,233 USD
View
Retailer 14
-
$58,210 NZD
$32,752 USD
View
Price last confirmed 34 days ago
Retailer 15
-
$60,059 NZD
$33,792 USD
View
Price last confirmed 34 days ago
Retailer 16
-
$62,369 NZD
$35,092 USD
View
Price last confirmed 48 days ago
Retailer 17
-
$62,369 NZD
$35,092 USD
View
Price last confirmed 34 days ago
Retailer 18
-
$63,749 NZD
ZAR 579,454 ZAR
View
Price last confirmed 38 days ago
Most Expensive
B
MOH London
5D0E4A8E8 · Nov 1
$75,177 NZD
£33,306 GBP
View
18 more retailers have this diamond
Prices start from $45,786 NZDSave up to $29,391 NZD

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
$45,786 NZD