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Round|Natural|GIA

0.40ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 3445367088

Certificate GIA 3445367088

Diamond specifications and retailer prices

From $381 CAD
₹25,920 INR
As of October 28, 2026
Save $1,527 CAD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,908 CAD 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 top-tier cut grade and certified by GIA 3445367088. Listed at 17 retailers as of October 28, 2026, with prices from $381 to $1,908, a $1,527 spread on the same certified stone. NZ Jewellers lists it at $1,908. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.40
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3445367088
Dimensions4.78 × 4.73 × 2.88 mm
L/W Ratio1.01
Top View
4.78 mm4.73 mm0.40 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 3445367088
Side View
Table 59.0%CrownGirdle: Sli. ThickPavilionCulet: NoneDepth 60.6%

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: $1,908 CAD|Low: $381 CAD|High: $1,940 CAD|Avg: $709 CAD|-1.7%
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 16$381 CAD
Retailer 9$430 CAD
Retailer 10$432 CAD
Retailer 8$448 CAD
Retailer 5$498 CAD
Retailer 7$523 CAD
Retailer 17$536 CAD
Retailer 11$547 CAD
Retailer 18$556 CAD
Retailer 13$643 CAD
Retailer 6$670 CAD
Retailer 3$681 CAD
Retailer 19$726 CAD
Retailer 2$772 CAD
Retailer 4$805 CAD
Retailer 14$921 CAD
Retailer 12$1,010 CAD
Retailer 15$1,155 CAD
NZ Jewellers$1,908 CAD

27 data points across 19 retailers

17 retailers$381 CAD to $1,908 CAD

A
Cheapest Retailer
-
$381 CAD
₹25,920 INR
A
Retailer 2
-
$430 CAD
HK$2,400 HKD
View
A
Retailer 3
-
$448 CAD
$320 USD
View
A
Retailer 4
-
$498 CAD
$356 USD
View
B+
Retailer 5
-
$523 CAD
SGD 505 SGD
View
B+
Retailer 6
-
$536 CAD
$383 USD
View
B+
Retailer 7
-
$556 CAD
$397 USD
View
B+
Retailer 8
-
$643 CAD
£361 GBP
View
B+
Retailer 9
-
$670 CAD
$479 USD
View
B+
Retailer 10
-
$681 CAD
$486 USD
View
B
Retailer 11
-
$726 CAD
$519 USD
View
B
Retailer 12
-
$772 CAD
ZAR 8,907 ZAR
View
B+
Retailer 13
-
$805 CAD
$575 USD
View
B
Retailer 14
-
$921 CAD
€627 EUR
View
B
Retailer 15
-
$1,010 CAD
£568 GBP
View
B
Retailer 16
-
$1,155 CAD
£650 GBP
View
Most Expensive
B
NZ Jewellers
837e0557-6dc9-485c-8101-bff006d4beec · Oct 30
$1,908 CAD
$1,363 USD
View
16 more retailers have this diamond
Prices start from $381 CADSave up to $1,527 CAD

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
$381 CAD