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Round|Natural|GIA

0.40ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 1429661194

Certificate GIA 1429661194

Diamond specifications and retailer prices

From $433 NZD
$244 USD
As of October 31, 2026
Save $1,735 NZD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,168 NZD 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 30, 2026, with prices from $433 to $2,168, a $1,735 spread on the same certified stone. NZ Jewellers lists it at $2,168. 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 31
Current: $2,168 NZD|Low: $433 NZD|High: $2,216 NZD|Avg: $754 NZD|-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$433 NZD
Retailer 14$452 NZD
Retailer 19$467 NZD
Retailer 15$484 NZD
Retailer 10$516 NZD
Retailer 11$529 NZD
Retailer 8$580 NZD
Retailer 6$584 NZD
Retailer 7$603 NZD
Retailer 16$603 NZD
Retailer 17$621 NZD
Retailer 3$642 NZD
Retailer 4$654 NZD
Retailer 2$742 NZD
Retailer 18$783 NZD
Retailer 9$784 NZD
Retailer 12$930 NZD
Retailer 13$1,111 NZD
NZ Jewellers$2,168 NZD

36 data points across 19 retailers

19 retailers$433 NZD to $2,168 NZD

A
Cheapest Retailer
-
$433 NZD
$244 USD
Retailer 2
-
$452 NZD
$255 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$467 NZD
$263 USD
View
A
Retailer 4
-
$484 NZD
$273 USD
View
B+
Retailer 5
-
$529 NZD
$298 USD
View
A
Retailer 6
-
$580 NZD
$327 USD
View
B+
Retailer 7
-
$584 NZD
$329 USD
View
B+
Retailer 8
-
$603 NZD
$340 USD
View
B+
Retailer 9
-
$603 NZD
$340 USD
View
B+
Retailer 10
-
$621 NZD
$350 USD
View
B+
Retailer 11
-
$642 NZD
$362 USD
View
B+
Retailer 12
-
$654 NZD
$369 USD
View
B+
Retailer 13
-
$742 NZD
ZAR 6,757 ZAR
View
B+
Retailer 14
-
$756 NZD
€406 EUR
View
B+
Retailer 15
-
$783 NZD
$441 USD
View
Retailer 16
-
$784 NZD
A$680 AUD
View
Price last confirmed 27 days ago
B
Retailer 17
-
$930 NZD
€499 EUR
View
B
Retailer 18
-
$1,111 NZD
£493 GBP
View
Most Expensive
C
NZ Jewellers
833d2bf4-bf1a-41d3-8056-605fb38016d9 · Oct 30
$2,168 NZD
$1,222 USD
View
18 more retailers have this diamond
Prices start from $433 NZDSave up to $1,735 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.

A
0.40ct Round
$433 NZD