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Round|Natural|GIA

3.05ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1545102901

Certificate GIA 1545102901

Diamond specifications and retailer prices

From $48,645 NZD
$27,370 USD
As of November 3, 2026
Save $22,124 NZD (31%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $70,769 NZD at MOH London · As of November 2, 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 GIA 1545102901. Listed at 8 retailers as of November 2, 2026, with prices from $48,645 to $70,769, a $22,124 spread on the same certified stone. MOH London lists it at $70,769. 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 angle31.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1545102901
Dimensions9.37 × 9.31 × 5.69 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
9.37 mm9.31 mm3.05 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545102901
Side View
Table 60.0%Crown 31.5°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 61.0%

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 3
Current: $70,769 NZD|Low: $40,274 NZD|High: $70,769 NZD|Avg: $50,405 NZD
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 3, 2026
Retailer 15$40,274 NZD
Retailer 16$42,932 NZD
Retailer 3$47,641 NZD
Retailer 9$48,645 NZD
Retailer 5$49,113 NZD
Retailer 6$49,196 NZD
Retailer 13$49,617 NZD
Retailer 2$49,942 NZD
Retailer 7$51,249 NZD
Retailer 4$51,295 NZD
Retailer 12$51,997 NZD
Retailer 10$53,648 NZD
Retailer 8$56,924 NZD
Retailer 14$62,602 NZD
Retailer 11$63,558 NZD
MOH London$70,769 NZD

26 data points across 16 retailers

8 retailers$48,645 NZD to $70,769 NZD

Retailer 1
-
$40,274 NZD
$22,660 USD
Price last confirmed 16 days ago
B+
Retailer 2
-
$48,645 NZD
$27,370 USD
View
B
Retailer 3
-
$49,617 NZD
£21,982 GBP
View
Retailer 4
-
$49,942 NZD
$28,100 USD
View
B
Retailer 5
-
$51,997 NZD
$29,256 USD
View
B
Retailer 6
-
$53,648 NZD
$30,185 USD
View
B
Retailer 7
-
$63,558 NZD
$35,761 USD
View
Most Expensive
B
MOH London
D63D7D39D · Nov 2
$70,769 NZD
£31,353 GBP
View
7 more retailers have this diamond
Prices start from $48,645 NZDSave up to $22,124 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+
3.05ct Round
$48,645 NZD