Round|Natural|GIA

0.40ct J SI1 Round Natural Diamond

GD • J/SI1 • GIA 1353927431

Certificate GIA 1353927431

Diamond specifications and retailer prices

From €159 EUR
₹16,907 INR
As of October 31, 2026
Save €879 EUR (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,037 EUR 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 €159 to €1,037, a €879 spread on the same certified stone. NZ Jewellers lists it at €1,037. 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: €159 EUR|Low: €158 EUR|High: €535 EUR|Avg: €360 EUR|-4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 1€159 EUR
Retailer 6€237 EUR
Retailer 3€355 EUR
Retailer 2€357 EUR
Retailer 8€367 EUR
Retailer 7€389 EUR
Retailer 4€465 EUR
Retailer 5€532 EUR

30 data points across 8 retailers

18 retailers€159 EUR to €1,037 EUR

A
Cheapest Retailer
-
€159 EUR
₹16,907 INR
B+
Retailer 2
-
€195 EUR
HK$1,700 HKD
View
B+
Retailer 3
-
€229 EUR
$256 USD
View
Retailer 4
-
€237 EUR
$265 USD
View
Price last confirmed 10 days ago
B+
Retailer 5
-
€243 EUR
SGD 367 SGD
View
B+
Retailer 6
-
€246 EUR
$275 USD
View
B+
Retailer 7
-
€255 EUR
$285 USD
View
B+
Retailer 8
-
€257 EUR
$287 USD
View
B+
Retailer 9
-
€308 EUR
$344 USD
View
B+
Retailer 10
-
€346 EUR
$386 USD
View
B+
Retailer 11
-
€355 EUR
ZAR 6,407 ZAR
View
B+
Retailer 12
-
€357 EUR
£314 GBP
View
Retailer 13
-
€367 EUR
A$630 AUD
View
Price last confirmed 27 days ago
B+
Retailer 14
-
€372 EUR
$416 USD
View
B
Retailer 15
-
€465 EUR
£409 GBP
View
B
Retailer 16
-
€532 EUR
£468 GBP
View
B
Retailer 17
-
€535 EUR
£471 GBP
View
Most Expensive
C
NZ Jewellers
15499dae-8135-43d7-9b18-feb88052580d · Oct 30
€1,037 EUR
$1,159 USD
View
17 more retailers have this diamond
Prices start from €159 EURSave up to €879 EUR

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
€159 EUR