Round|Natural|GIA

0.40ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 7383204720

Certificate GIA 7383204720

Diamond specifications and retailer prices

From HK$1,908 HKD
As of October 30, 2026
Save HK$8,017 HKD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$9,925 HKD 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 HK$1,908 to HK$9,925, a HK$8,017 spread on the same certified stone. NZ Jewellers lists it at HK$9,925. 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
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$2,772 HKD|Low: HK$1,908 HKD|High: HK$5,122 HKD|Avg: HK$3,127 HKD|+6.3%
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 31, 2026
Retailer 4HK$1,908 HKD
Retailer 8HK$2,275 HKD
Retailer 12HK$2,312 HKD
Retailer 10HK$2,699 HKD
Retailer 9HK$2,707 HKD
Retailer 1HK$2,772 HKD
Retailer 3HK$2,961 HKD
Retailer 6HK$3,398 HKD
Retailer 11HK$3,511 HKD
Retailer 5HK$3,724 HKD
Retailer 2HK$3,782 HKD
Retailer 7HK$5,092 HKD

43 data points across 12 retailers

18 retailersHK$1,908 HKD to HK$9,925 HKD

A
Cheapest Retailer
-
HK$1,908 HKD
B+
Retailer 2
-
HK$2,189 HKD
$279 USD
View
Retailer 3
-
HK$2,275 HKD
$290 USD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
HK$2,334 HKD
SGD 402 SGD
View
B+
Retailer 5
-
HK$2,362 HKD
$301 USD
View
B+
Retailer 6
-
HK$2,448 HKD
$312 USD
View
B+
Retailer 7
-
HK$2,699 HKD
$344 USD
View
B+
Retailer 8
-
HK$2,707 HKD
$345 USD
View
B+
Retailer 9
-
HK$2,772 HKD
£278 GBP
View
B+
Retailer 10
-
HK$2,950 HKD
$376 USD
View
B+
Retailer 11
-
HK$2,961 HKD
$377 USD
View
B+
Retailer 12
-
HK$3,214 HKD
$410 USD
View
B+
Retailer 13
-
HK$3,398 HKD
ZAR 6,996 ZAR
View
Retailer 14
-
HK$3,511 HKD
A$688 AUD
View
Price last confirmed 28 days ago
B+
Retailer 15
-
HK$3,724 HKD
€452 EUR
View
B
Retailer 16
-
HK$3,782 HKD
$482 USD
View
B
Retailer 17
-
HK$5,092 HKD
£511 GBP
View
Most Expensive
C
NZ Jewellers
2a665f7e-3b1f-4e63-9573-ba74aa8ed566 · Oct 30
HK$9,925 HKD
$1,265 USD
View
17 more retailers have this diamond
Prices start from HK$1,908 HKDSave up to HK$8,017 HKD

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
HK$1,908 HKD