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Round|Natural|GIA

0.40ct J I1 Round Natural Diamond

EX • J/I1 • GIA 6422874640

Certificate GIA 6422874640

Diamond specifications and retailer prices

From $347 NZD
₹18,613 INR
As of November 1, 2026
Save $1,899 NZD (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,246 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 6422874640. Listed at 9 retailers as of October 30, 2026, with prices from $347 to $2,246, a $1,899 spread on the same certified stone. NZ Jewellers lists it at $2,246. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6422874640
Dimensions4.68 × 4.72 × 2.95 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.68 mm4.72 mm0.40 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6422874640
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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: Nov 1
Current: $2,246 NZD|Low: $346 NZD|High: $2,246 NZD|Avg: $792 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2$347 NZD
Retailer 7$495 NZD
Retailer 5$523 NZD
Retailer 9$534 NZD
Retailer 4$554 NZD
Retailer 8$667 NZD
Retailer 6$774 NZD
Retailer 3$833 NZD
NZ Jewellers$2,246 NZD

44 data points across 9 retailers

9 retailers$347 NZD to $2,246 NZD

A
Cheapest Retailer
-
$347 NZD
₹18,613 INR
B+
Retailer 2
-
$432 NZD
HK$1,900 HKD
View
B+
Retailer 3
-
$495 NZD
$279 USD
View
B+
Retailer 4
-
$534 NZD
$301 USD
View
B+
Retailer 5
-
$554 NZD
$312 USD
View
B+
Retailer 6
-
$667 NZD
$376 USD
View
B
Retailer 7
-
$774 NZD
$436 USD
View
B+
Retailer 8
-
$833 NZD
€447 EUR
View
Most Expensive
C
NZ Jewellers
c5db5f0c-dfb3-47be-94c7-3925bf208e32 · Oct 30
$2,246 NZD
$1,266 USD
View
8 more retailers have this diamond
Prices start from $347 NZDSave up to $1,899 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
$347 NZD