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Round|Natural|GIA

0.40ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 2396962220

Certificate GIA 2396962220

Diamond specifications and retailer prices

From $332 AUD
$233 USD
As of October 31, 2026
Save $1,330 AUD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,661 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.4ct natural round diamond

This 0.4ct natural round sits in the sub-half-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2396962220. Listed at 19 retailers as of October 30, 2026, with prices from $332 to $1,661, a $1,330 spread on the same certified stone. NZ Jewellers lists it at $1,661. 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

0.40
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2396962220
Dimensions4.75 × 4.74 × 2.89 mm
L/W Ratio1.00
Top View
4.75 mm4.74 mm0.40 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2396962220
Side View
Table 61.0%Crown 33.5°Girdle: STK-THKPavilion 41.2°Culet: NoneDepth 61.0%

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: Oct 31
Current: $1,661 AUD|Low: $332 AUD|High: $1,661 AUD|Avg: $543 AUD
NZ Jewellers
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
Retailer 17
Retailer 18
October 31, 2026
Retailer 4$332 AUD
Retailer 3$349 AUD
Retailer 16$357 AUD
Retailer 14$370 AUD
Retailer 8$393 AUD
Retailer 2$424 AUD
Retailer 5$447 AUD
Retailer 6$447 AUD
Retailer 9$470 AUD
Retailer 10$470 AUD
Retailer 15$484 AUD
Retailer 17$490 AUD
Retailer 18$510 AUD
Retailer 11$569 AUD
Retailer 7$601 AUD
Retailer 12$715 AUD
Retailer 13$848 AUD
NZ Jewellers$1,661 AUD

31 data points across 18 retailers

19 retailers$332 AUD to $1,661 AUD

A
Cheapest Retailer
-
$332 AUD
$233 USD
A
Retailer 2
-
$349 AUD
$245 USD
View
A
Retailer 3
-
$357 AUD
$251 USD
View
A
Retailer 4
-
$370 AUD
$260 USD
View
A
Retailer 5
-
$424 AUD
$298 USD
View
B+
Retailer 6
-
$447 AUD
$314 USD
View
A
Retailer 7
-
$447 AUD
$314 USD
View
B+
Retailer 8
-
$470 AUD
$330 USD
View
B+
Retailer 9
-
$470 AUD
$330 USD
View
B+
Retailer 10
-
$484 AUD
$340 USD
View
B+
Retailer 11
-
$490 AUD
$344 USD
View
B+
Retailer 12
-
$510 AUD
$358 USD
View
B+
Retailer 13
-
$569 AUD
ZAR 6,453 ZAR
View
B+
Retailer 14
-
$573 AUD
€383 EUR
View
Retailer 15
-
$601 AUD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
$715 AUD
€478 EUR
View
B
Retailer 17
-
$848 AUD
£469 GBP
View
B
Retailer 18
-
$879 AUD
£486 GBP
View
Most Expensive
C
NZ Jewellers
a3e7b1f9-a512-4436-8e6c-405acac2cf3d · Oct 30
$1,661 AUD
$1,167 USD
View
18 more retailers have this diamond
Prices start from $332 AUDSave up to $1,330 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.

A
0.40ct Round
$332 AUD