CaratHunter
Plans
Round|Natural|GIA

0.40ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 1429661194

Certificate GIA 1429661194

Diamond specifications and retailer prices

From $347 AUD
$244 USD
As of October 28, 2026
Save $1,392 AUD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,740 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 1429661194. Listed at 19 retailers as of October 28, 2026, with prices from $347 to $1,740, a $1,392 spread on the same certified stone. NZ Jewellers lists it at $1,740. 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
FluorescenceFaint
Crown angle36.5°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 1429661194
Dimensions4.69 × 4.62 × 2.91 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal
Top View
4.69 mm4.62 mm0.40 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1429661194
Side View
Table 57.0%Crown 36.5°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 62.4%

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 28
Current: $1,740 AUD|Low: $347 AUD|High: $1,778 AUD|Avg: $605 AUD|-2.2%
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
Retailer 19
October 30, 2026
Retailer 5$347 AUD
Retailer 14$363 AUD
Retailer 19$374 AUD
Retailer 15$389 AUD
Retailer 10$414 AUD
Retailer 11$424 AUD
Retailer 8$466 AUD
Retailer 6$468 AUD
Retailer 7$484 AUD
Retailer 16$484 AUD
Retailer 17$498 AUD
Retailer 3$515 AUD
Retailer 4$525 AUD
Retailer 2$595 AUD
Retailer 18$628 AUD
Retailer 9$629 AUD
Retailer 12$746 AUD
Retailer 13$891 AUD
NZ Jewellers$1,740 AUD

36 data points across 19 retailers

19 retailers$347 AUD to $1,740 AUD

A
Cheapest Retailer
-
$347 AUD
$244 USD
Retailer 2
-
$363 AUD
$255 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$374 AUD
$263 USD
View
A
Retailer 4
-
$389 AUD
$273 USD
View
B+
Retailer 5
-
$424 AUD
$298 USD
View
A
Retailer 6
-
$466 AUD
$327 USD
View
B+
Retailer 7
-
$468 AUD
$329 USD
View
B+
Retailer 8
-
$484 AUD
$340 USD
View
B+
Retailer 9
-
$484 AUD
$340 USD
View
B+
Retailer 10
-
$498 AUD
$350 USD
View
B+
Retailer 11
-
$515 AUD
$362 USD
View
B+
Retailer 12
-
$525 AUD
$369 USD
View
B+
Retailer 13
-
$595 AUD
ZAR 6,757 ZAR
View
B+
Retailer 14
-
$607 AUD
€406 EUR
View
B+
Retailer 15
-
$628 AUD
$441 USD
View
Retailer 16
-
$629 AUD
View
Price last confirmed 27 days ago
B
Retailer 17
-
$746 AUD
€499 EUR
View
B
Retailer 18
-
$891 AUD
£493 GBP
View
Most Expensive
C
NZ Jewellers
833d2bf4-bf1a-41d3-8056-605fb38016d9 · Oct 30
$1,740 AUD
$1,222 USD
View
18 more retailers have this diamond
Prices start from $347 AUDSave up to $1,392 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
$347 AUD