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Round|Natural|GIA

0.40ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 1429661194

Certificate GIA 1429661194

Diamond specifications and retailer prices

From $312 SGD
$244 USD
As of October 28, 2026
Save $1,250 SGD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,562 SGD 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 1429661194. Listed at 19 retailers as of October 28, 2026, with prices from $312 to $1,562, a $1,250 spread on the same certified stone. NZ Jewellers lists it at $1,562. 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
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36.5°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 1429661194
Dimensions4.69 × 4.62 × 2.91 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal
Top View
4.69 mm4.62 mm0.40 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1429661194
Side View
Table 57.0%Crown 36.5°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 62.4%

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 28
Current: $1,562 SGD|Low: $312 SGD|High: $1,597 SGD|Avg: $581 SGD|-2.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 3$312 SGD
Retailer 11$326 SGD
Retailer 7$372 SGD
Retailer 8$381 SGD
Retailer 5$418 SGD
Retailer 4$435 SGD
Retailer 12$435 SGD
Retailer 13$447 SGD
Retailer 15$463 SGD
Retailer 16$471 SGD
Retailer 2$535 SGD
Retailer 14$564 SGD
Retailer 6$565 SGD
Retailer 9$670 SGD
Retailer 10$800 SGD
NZ Jewellers$1,562 SGD

36 data points across 16 retailers

19 retailers$312 SGD to $1,562 SGD

A
Cheapest Retailer
-
$312 SGD
$244 USD
Retailer 2
-
$326 SGD
$255 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$336 SGD
$263 USD
View
A
Retailer 4
-
$349 SGD
$273 USD
View
B+
Retailer 5
-
$381 SGD
$298 USD
View
A
Retailer 6
-
$418 SGD
$327 USD
View
B+
Retailer 7
-
$421 SGD
$329 USD
View
B+
Retailer 8
-
$435 SGD
$340 USD
View
B+
Retailer 9
-
$435 SGD
$340 USD
View
B+
Retailer 10
-
$447 SGD
$350 USD
View
B+
Retailer 11
-
$463 SGD
$362 USD
View
B+
Retailer 12
-
$471 SGD
$369 USD
View
B+
Retailer 13
-
$535 SGD
ZAR 6,757 ZAR
View
B+
Retailer 14
-
$545 SGD
€406 EUR
View
B+
Retailer 15
-
$564 SGD
$441 USD
View
Retailer 16
-
$565 SGD
A$680 AUD
View
Price last confirmed 27 days ago
B
Retailer 17
-
$670 SGD
€499 EUR
View
B
Retailer 18
-
$800 SGD
£493 GBP
View
Most Expensive
C
NZ Jewellers
833d2bf4-bf1a-41d3-8056-605fb38016d9 · Oct 30
$1,562 SGD
$1,222 USD
View
18 more retailers have this diamond
Prices start from $312 SGDSave up to $1,250 SGD

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
$312 SGD