Round|Natural|GIA

0.40ct J SI1 Round Natural Diamond

GD • J/SI1 • GIA 1353927431

Certificate GIA 1353927431

Diamond specifications and retailer prices

From $178 USD
₹16,966 INR
As of October 30, 2026
Save $981 USD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,159 USD 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 $178 to $1,159, a $981 spread on the same certified stone. NZ Jewellers lists it at $1,159. 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
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 30
Current: $178 USD|Low: $177 USD|High: $598 USD|Avg: $402 USD|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 1$178 USD
Retailer 6$265 USD
Retailer 2$397 USD
Retailer 4$399 USD
Retailer 8$410 USD
Retailer 7$435 USD
Retailer 3$519 USD
Retailer 5$594 USD

29 data points across 8 retailers

18 retailers$178 USD to $1,159 USD

A
Cheapest Retailer
-
$178 USD
₹16,966 INR
B+
Retailer 2
-
$218 USD
HK$1,700 HKD
View
B+
Retailer 3
-
$256 USD
View
Retailer 4
-
$265 USD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$272 USD
SGD 367 SGD
View
B+
Retailer 6
-
$275 USD
View
B+
Retailer 7
-
$285 USD
View
B+
Retailer 8
-
$287 USD
View
B+
Retailer 9
-
$344 USD
View
B+
Retailer 10
-
$386 USD
View
B+
Retailer 11
-
$397 USD
ZAR 6,407 ZAR
View
B+
Retailer 12
-
$399 USD
£314 GBP
View
Retailer 13
-
$410 USD
A$630 AUD
View
Price last confirmed 26 days ago
B+
Retailer 14
-
$416 USD
View
B
Retailer 15
-
$519 USD
£409 GBP
View
B
Retailer 16
-
$594 USD
£468 GBP
View
B
Retailer 17
-
$598 USD
£471 GBP
View
Most Expensive
C
NZ Jewellers
15499dae-8135-43d7-9b18-feb88052580d · Oct 30
$1,159 USD
View
17 more retailers have this diamond
Prices start from $178 USDSave up to $981 USD

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
$178 USD