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Round|Natural|GIA

0.40ct J SI1 Round Natural Diamond

GD • J/SI1 • GIA 1353927431

Certificate GIA 1353927431

Diamond specifications and retailer prices

From HK$1,393 HKD
₹16,907 INR
As of October 31, 2026
Save HK$7,700 HKD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$9,093 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 standard cut grade and certified by GIA 1353927431. Listed at 18 retailers as of October 30, 2026, with prices from HK$1,393 to HK$9,093, a HK$7,700 spread on the same certified stone. NZ Jewellers lists it at HK$9,093. 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
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 1353927431
Dimensions4.76 × 4.75 × 2.83 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
4.76 mm4.75 mm0.40 ctJ / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1353927431
Side View
Table 63.0%Crown 33.5°Girdle: THN-THKPavilion 40.4°Culet: NoneDepth 59.4%

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: HK$1,393 HKD|Low: HK$1,389 HKD|High: HK$4,693 HKD|Avg: HK$3,159 HKD|-4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 1HK$1,393 HKD
Retailer 6HK$2,079 HKD
Retailer 3HK$3,112 HKD
Retailer 2HK$3,127 HKD
Retailer 8HK$3,215 HKD
Retailer 7HK$3,411 HKD
Retailer 4HK$4,074 HKD
Retailer 5HK$4,663 HKD

30 data points across 8 retailers

18 retailersHK$1,393 HKD to HK$9,093 HKD

A
Cheapest Retailer
-
HK$1,393 HKD
₹16,907 INR
B+
Retailer 2
-
HK$1,707 HKD
View
B+
Retailer 3
-
HK$2,008 HKD
$256 USD
View
Retailer 4
-
HK$2,079 HKD
$265 USD
View
Price last confirmed 10 days ago
B+
Retailer 5
-
HK$2,131 HKD
SGD 367 SGD
View
B+
Retailer 6
-
HK$2,158 HKD
$275 USD
View
B+
Retailer 7
-
HK$2,236 HKD
$285 USD
View
B+
Retailer 8
-
HK$2,252 HKD
$287 USD
View
B+
Retailer 9
-
HK$2,699 HKD
$344 USD
View
B+
Retailer 10
-
HK$3,029 HKD
$386 USD
View
B+
Retailer 11
-
HK$3,112 HKD
ZAR 6,407 ZAR
View
B+
Retailer 12
-
HK$3,127 HKD
£314 GBP
View
Retailer 13
-
HK$3,215 HKD
A$630 AUD
View
Price last confirmed 28 days ago
B+
Retailer 14
-
HK$3,264 HKD
$416 USD
View
B
Retailer 15
-
HK$4,074 HKD
£409 GBP
View
B
Retailer 16
-
HK$4,663 HKD
£468 GBP
View
B
Retailer 17
-
HK$4,693 HKD
£471 GBP
View
Most Expensive
C
NZ Jewellers
15499dae-8135-43d7-9b18-feb88052580d · Oct 30
HK$9,093 HKD
$1,159 USD
View
17 more retailers have this diamond
Prices start from HK$1,393 HKDSave up to HK$7,700 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$1,393 HKD