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Round|Natural|GIA

0.40ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 7383204720

Certificate GIA 7383204720

Diamond specifications and retailer prices

From $340 CAD
HK$1,900 HKD
As of October 30, 2026
Save $1,430 CAD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,770 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 very-good cut grade and certified by GIA 7383204720. Listed at 18 retailers as of October 30, 2026, with prices from $340 to $1,770, a $1,430 spread on the same certified stone. NZ Jewellers lists it at $1,770. 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
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle32.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7383204720
Dimensions4.74 × 4.68 × 2.90 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
4.74 mm4.68 mm0.40 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 7383204720
Side View
Table 59.0%Crown 32.5°Girdle: THN-THKPavilion 41.4°Culet: NoneDepth 61.6%

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 30
Current: $606 CAD|Low: $340 CAD|High: $914 CAD|Avg: $556 CAD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 4$340 CAD
Retailer 8$406 CAD
Retailer 12$412 CAD
Retailer 10$481 CAD
Retailer 9$483 CAD
Retailer 5$494 CAD
Retailer 3$528 CAD
Retailer 1$606 CAD
Retailer 11$626 CAD
Retailer 7$663 CAD
Retailer 2$675 CAD
Retailer 6$908 CAD

44 data points across 12 retailers

18 retailers$340 CAD to $1,770 CAD

A
Cheapest Retailer
-
$340 CAD
HK$1,900 HKD
B+
Retailer 2
-
$390 CAD
$279 USD
View
Retailer 3
-
$406 CAD
$290 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$416 CAD
SGD 402 SGD
View
B+
Retailer 5
-
$421 CAD
$301 USD
View
B+
Retailer 6
-
$437 CAD
$312 USD
View
B+
Retailer 7
-
$481 CAD
$344 USD
View
B+
Retailer 8
-
$483 CAD
$345 USD
View
B+
Retailer 9
-
$494 CAD
£278 GBP
View
B+
Retailer 10
-
$526 CAD
$376 USD
View
B+
Retailer 11
-
$528 CAD
$377 USD
View
B+
Retailer 12
-
$573 CAD
$410 USD
View
B+
Retailer 13
-
$606 CAD
ZAR 6,996 ZAR
View
Retailer 14
-
$626 CAD
A$688 AUD
View
Price last confirmed 26 days ago
B+
Retailer 15
-
$663 CAD
€451 EUR
View
B
Retailer 16
-
$675 CAD
$482 USD
View
B
Retailer 17
-
$908 CAD
£511 GBP
View
Most Expensive
C
NZ Jewellers
2a665f7e-3b1f-4e63-9573-ba74aa8ed566 · Oct 30
$1,770 CAD
$1,265 USD
View
17 more retailers have this diamond
Prices start from $340 CADSave up to $1,430 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
$340 CAD