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Round|Natural|GIA

3.03ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 6422843308

Certificate GIA 6422843308

Diamond specifications and retailer prices

From $39,118 AUD
$27,415 USD
As of November 1, 2026
Save $31,237 AUD (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $70,355 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 3.03ct natural round diamond

This 3.03ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6422843308. Listed at 15 retailers as of November 1, 2026, with prices from $39,118 to $70,355, a $31,237 spread on the same certified stone. MOH London lists it at $70,355. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.03
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6422843308
Dimensions9.17 × 9.12 × 5.76 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
9.17 mm9.12 mm3.03 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6422843308
Side View
Table 58.0%Crown 37.5°Girdle: THN-STKPavilion 40.8°Culet: Very SmallDepth 63.0%

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 1
Current: $70,355 AUD|Low: $37,540 AUD|High: $71,204 AUD|Avg: $50,944 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5$39,118 AUD
Retailer 6$41,294 AUD
Retailer 7$44,988 AUD
Retailer 2$45,014 AUD
Retailer 3$54,418 AUD
Retailer 4$58,399 AUD
MOH London$70,355 AUD

40 data points across 7 retailers

15 retailers$39,118 AUD to $70,355 AUD

B+
Cheapest Retailer
-
$39,118 AUD
$27,415 USD
B
Retailer 2
-
$41,013 AUD
$28,743 USD
View
B
Retailer 3
-
$41,294 AUD
$28,940 USD
View
Final sale: no returns
B
Retailer 4
-
$43,770 AUD
$30,675 USD
View
Retailer 5
-
$44,988 AUD
View
Price last confirmed 29 days ago
B
Retailer 6
-
$45,014 AUD
£24,840 GBP
View
B
Retailer 7
-
$45,049 AUD
$31,571 USD
View
B
Retailer 8
-
$45,836 AUD
$32,123 USD
View
B
Retailer 9
-
$46,925 AUD
$32,886 USD
View
B
Retailer 10
-
$47,300 AUD
$33,149 USD
View
B
Retailer 11
-
$48,803 AUD
$34,202 USD
View
B
Retailer 12
-
$50,679 AUD
$35,517 USD
View
B
Retailer 13
-
$54,418 AUD
€36,321 EUR
View
B
Retailer 14
-
$58,399 AUD
ZAR 661,179 ZAR
View
Most Expensive
B
MOH London
D6DE74A63 · Nov 1
$70,355 AUD
£38,824 GBP
View
14 more retailers have this diamond
Prices start from $39,118 AUDSave up to $31,237 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+
3.03ct Round
$39,118 AUD